Wireless Type | 2.4 GHz Radio Frequency |
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Ships from: Amazon Sold by: ELECOM Japan Direct US
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Ships from: Amazon Sold by: ELECOM Japan Direct US
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91% positive over last 12 months
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ELECOM DEFT Trackball Mouse, 2.4GHz Wireless, Finger Control, 8-Button Function with Smooth Tracking, Ergonomic Design, Optical Gaming Sensor, Windows11, macOS (M-DT2DRBK)
Return this item for free
Free returns are available for the shipping address you chose. You can return the item for any reason in new and unused condition: no shipping charges
Learn more about free returns.- Go to your orders and start the return
- Select the return method
- Ship it!
Return this item for free
Free returns are available for the shipping address you chose. You can return the item for any reason in new and unused condition: no shipping charges
Learn more about free returns.- Go to your orders and start the return
- Select the return method
- Ship it!
Return this item for free
Free returns are available for the shipping address you chose. You can return the item for any reason in new and unused condition: no shipping charges
Learn more about free returns.- Go to your orders and start the return
- Select the return method
- Ship it!
Purchase options and add-ons
Brand | ELECOM |
Color | Black / Black ball |
Connectivity Technology | 2.4GHz Wireless |
Special Feature | Ergonomic Design |
Movement Detection Technology | Trackball |
About this item
- ✅《COMFORTABLE DESIGN》The mouse design is based on 6 different muscle and skeletal structures of the hands giving special emphasis to the folding actions of the hands to provide a new level of hand comfort.
- ✅《OPTICAL TRACKING TECHNOLOGY》The ELEOM "EX-G series" trackball provides precise cursor movement for superior accuracy so you can get where you want on the screen quickly with less hand movement, improving productivity and efficiency. It is very easy to move in any direction.
- ✅《FUNCTIONAL 8 BUTTONS》You can assign favorite function to each button by using "ELECOM Mouse Assistant" ELECOM Mouse Assistant Software will be available to download from ELECOM NET website.
- ✅《DPI CURSOR》Designed with a high-performance gaming optics system sensor and lens. The DPI button can easily change between 750(LOW) and 1500(HIGH) DPI, making the movements of your cursor faster or slower. The ball is held in place by the ball bearings, but can easily be popped out of the device, by pushing it through the hole in the bottom and it can be easily cleaned.
- ✅《PRODUCT DETAILS》System requirements: Windows 7, Windows 8.1, Windows RT8.1, Windows 10 or later (Horizontal scrolling function is not working in Windows RT8.1), macOS 10.10 or later, Size: W3.7"(94.7mm) X L4.9"(124.4mm) X H1.9"(47.9mm), Weight: 4oz(without battery), DPI: 750/1500 count (switchable), Connectivity: wireless, 1 X AA battery(Included)- Battery Remaining Light Lamp equipped.
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What's in the box
Product information
Technical Details
Brand | ELECOM |
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Series | ELECOM |
Item model number | M-DT2DRBK |
Hardware Platform | Laptop, PC |
Operating System | Windows 8, Windows 8.1, Windows 10, Windows 11, macOS 10.10 |
Item Weight | 4 ounces |
Product Dimensions | 3.7 x 1.8 x 4.9 inches |
Item Dimensions LxWxH | 3.7 x 1.8 x 4.9 inches |
Color | Black / Black ball |
Power Source | Corded Electric |
Batteries | 1 AA batteries required. (included) |
Manufacturer | ELECOM |
ASIN | B0171QQ7FM |
Country of Origin | China |
Is Discontinued By Manufacturer | No |
Date First Available | November 2, 2015 |
Additional Information
Customer Reviews |
4.2 out of 5 stars |
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Best Sellers Rank | #46 in Computer Trackballs |
Warranty & Support
Feedback
Compare with similar items
This Item ELECOM DEFT Trackball Mouse, 2.4GHz Wireless, Finger Control, 8-Button Function with Smooth Tracking, Ergonomic Design, Optical Gaming Sensor, Windows11, macOS (M-DT2DRBK) | Recommendations | dummy | dummy | dummy | dummy | |
Try again! Added to Cart | Try again! Added to Cart | Try again! Added to Cart | Try again! Added to Cart | Try again! Added to Cart | Try again! Added to Cart | |
Price | -12% $37.99$37.99 List: $42.99 | $31.99$31.99 | $49.99$49.99 | -7% $27.99$27.99 Typical: $29.99 | $123.75$123.75 | -6% $33.99$33.99 Typical: $35.99 |
Delivery | Get it as soon as Wednesday, Apr 3 | Get it as soon as Wednesday, Apr 3 | Get it as soon as Wednesday, Apr 3 | Get it as soon as Wednesday, Apr 3 | Get it as soon as Wednesday, Apr 3 | Get it as soon as Wednesday, Apr 3 |
Customer Ratings | ||||||
Ergonomic | 4.3 | 4.3 | 4.3 | — | 4.4 | 4.5 |
For gaming | 3.5 | 3.6 | 3.4 | — | 1.9 | 4.1 |
Battery life | 4.2 | 4.4 | — | — | — | 5.0 |
Accuracy | 4.0 | 4.6 | 4.2 | — | — | — |
Comfort | — | 4.2 | 4.4 | — | 4.4 | — |
Sold By | ELECOM Japan Direct US | ProtoArc | Amazon.com | Porlei Direct | G & W | Nulea Direct |
connectivity tech | 2.4GHz Wireless | Bluetooth, 2.4G wireless | Bluetooth | Bluetooth, USB Dongle | Bluetooth, USB | Bluetooth, USB |
hand orientation | Right | Right | Right | Right | Right, Ambidextrous | Right |
power source | Corded Electric | Rechargeable Trackball Mouse | Battery Powered | Battery Powered | Battery Powered | Battery Powered |
tracking method | Trackball | Trackball | Optical | Trackball | Trackball | Trackball |
range | 10 meters | 10 meters | 30 feet | 33 | 1.5 meters | 10 meters |
button quantity | 8 | 3 | 2 | 6 | 4 | 6 |
From the brand
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DEFT Trackball
Deft is the word's meaning that fits the product concept. The name aligns with the concept of fingertip control of the pointer.
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In addition to the left/right and forward/back buttons, it has a tilt wheel and three function-assigned buttons for a total of eight buttons. An index finger operation type trackball that changes the common practice of index finger operation
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Thumb Model Features
The shape and the placement of each button are similar to those of a mouse, making it easy for people who have used a mouse before to get used to the shape.
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Index-Finger Model Features
To equip with a larger ball than the thumb type. This has the advantage of making it easier to control the fine movements of the cursor. The feel of the operation is unique and requires some getting used to.
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Japan Design
High design quality has been recognized by numerous design awards, including the Good Design Award, as well as by many users.
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ELECOM is a Japanese consumer goods company with a simple mission: create quality products that deliver the most comfort and convenience for its customers. With a track record boasting some of the most innovative yet accessible products ever created, ELECOM has consistently raised the standards of excellence for technology products while taking care of its customers and employees.
Product Description
EX-G PRO | EX-G | EX-G Left Hand | Relacon | bitra | Replacement ball | |
---|---|---|---|---|---|---|
Customer Reviews |
3.9 out of 5 stars
1,570
|
4.2 out of 5 stars
12,171
|
4.2 out of 5 stars
918
|
3.8 out of 5 stars
3,169
|
3.6 out of 5 stars
975
|
4.5 out of 5 stars
1,069
|
Style | Thumb | Thumb | Thumb | Handheld | Thumb | - |
Hand Orientation | Right | Right | Left | Ambidextrous | Right | - |
Connection | USB 2.4GHz + Wired + Bluetooth | USB 2.4GHz / Wired | USB 2.4GHz | Bluetooth / USB 2.4GHz | Bluetooth / USB 2.4GHz | - |
Buttons | 8 | 6 | 6 | 10 | 5 | - |
DPI switch | 500/1000/1500 | 750/1500 | 750/1500 | 500/1000/1500 | 750/1500 | - |
Ball Size | 34mm | 34mm | 34mm | 25mm | 25mm | 34mm |
DEFT PRO | HUGE | DEFT | bitra | Tilt-adjustable Pad | FITTIO wrist rest | |
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Customer Reviews |
4.0 out of 5 stars
1,703
|
4.2 out of 5 stars
4,381
|
4.2 out of 5 stars
2,637
|
4.0 out of 5 stars
947
|
3.9 out of 5 stars
125
|
4.3 out of 5 stars
594
|
Style | Index Finger | Index Finger | Index Finger | Index Finger | - | - |
Hand Orientation | Right | Right | Right | Right | - | - |
Connection | USB 2.4GHz + Wired + Bluetooth | USB 2.4GHz / Wired | USB 2.4GHz / Wired | Bluetooth / USB 2.4GHz | - | - |
Buttons | 8 | 8 | 8 | 5 | - | - |
DPI switch | 500/1000/1500 | 500/1000/1500 | 750/1500 | 750/1500 | - | - |
Ball Size | 44mm | 52mm | 34mm | 34mm | - | - |
Mouse Assistant
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STEP11. Go to the "ELECOMUSA " website. (Not ELECOMUS website)Click "Mouse Assistant" in the middle of the top. 2. Select "WINDOWS" or "MAC" for installation. (When installing on a PC running security software, it is recommended to temporarily deactivate it before installation.) 3. Click "MOUSE ASSISTANT MANUAL" if you want detail about it. |
STEP21. Save to your computer. (If you have any problem or question, please contact ELECOM on this website.) 2. Installation is now complete. If successfully installed, the Mouse Assistant icon is visible in the indicator as shown in the image. Let's open it!! |
STEP31. Select your language. Click "OK". Then the window is closed automatically. Please open it again.(Setup required each time it is opened) 2&3. Button Function Assignments 4. Scroll speed adjustment 5. Arrow: Manual & Help |
Looking for specific info?
Customer reviews
Customer Reviews, including Product Star Ratings help customers to learn more about the product and decide whether it is the right product for them.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzed reviews to verify trustworthiness.
Learn more how customers reviews work on AmazonCustomers say
Customers like the comfort of the mouse. For example, they mention it's ergonomically very comfortable, has a nice feel, and allows them to relax while searching the web. That said, opinions are mixed on performance, accuracy, smoothness, size, quality, button, and ease of use.
AI-generated from the text of customer reviews
Customers like the comfort of the mouse. They say it has a nice feel, has no stress on their wrist, and the main buttons feel ok. The mouse allows them to relax while searching the web and is perfect if they have small hands.
"...But other than that, its terrific. Fast, accurate, comfortable. And at fair prices... i highly recommend...." Read more
"...I have no stress on my wrist, and I can cover distances on my screen with only forefinger and thumb movements...." Read more
"I give this 5 stars based on 2 things: ergonomics and flawless basic operation. I use index finger trackballs with every computer I have...." Read more
"...It's very comfortable for the way I hold and use it,The choice of many keys can make a lot of things easier,"..." Read more
Customers are mixed about the quality of the mouse. Some mention it's top notch, solidly built, and a really nice device. However, others say that the overall quality isn't the greatest, the accuracy, ease of use, and features are very iffy, and the whole thing felt cheap and flimsy right out of the box.
"...But other than that, its terrific. Fast, accurate, comfortable. And at fair prices... i highly recommend...." Read more
"...This mouse has held up amazingly to all the road-wear I've thrown at it with travel/working in 2 locations and switching between PC and Mac...." Read more
"...on using, or some combination of the two, but Elecom does not make good trackballs. They certainly shouldn't be demanding the $40-$70 they do...." Read more
"This may be one of the best high tech mouse out there but for me it has too many buttons. Too confusing for an older person." Read more
Customers are mixed about the button of the mouse. Some mention that it has numerous programmable buttons and the buttons are laid out in a similar fashion to the trackball. That said, some complain about the odd right click button, the middle clicking being a little tough, and the back and forward buttons not working for any browser.
"...The buttons are all nice and responsive. Middle clicking is a little tough for my taste, but most mice are like that these days...." Read more
"...bells and whistles.. The only real issue with it is customizing the extra buttons. The software they provide is garbage...." Read more
"...The back and forward buttons work well...." Read more
"...There are extra buttons, which is great. I'm assuming there's software to program them...." Read more
Customers are mixed about the performance of the mouse. Some mention that it works great and does everything they would expect, while others say that it's ineffective and not useable. The mouse functions perfectly, and all the button clicks with crispness. However, some customers report issues with the trackball, saying that it simply refused to respond and does not function like the conventional scroll wheel.
"...Company's software for Mac - El Capitan works great for programming buttons. NO COMPLAINTS!------------..." Read more
"...massive monkey paw encompassing the entire device, this thing is NOT at all useful for any heavy graphics work!..." Read more
"...Hard to tell if you are selecting or tilting until it is too late. It works fine, but sometimes when pressing down and holding you go from normal..." Read more
"...it worked great initially as the first one had but completely stopped working after only 8 weeks...." Read more
Customers are mixed about the smoothness of the mouse. Some mention that it has very smooth scrolling of both the thumb scroll wheel and the trackball. They say the track ball moves smoothly and is easy to pop off to clean. However, other customers say that it doesn't work for any browser, the scroll ball is a little rough to roll, and the cursor doesn''t move at all. They also mention that the scroll wheel requires too much force to tilt.
"...Side scroll wheel needs improvement. Hard to tell if you are selecting or tilting until it is too late...." Read more
"...The scroll wheel is absolutely awesome, just great movement and textured so you never slip. The back and forward buttons work well...." Read more
"..."grab" the ball and make it stick in place, making small and precise mouse movements difficult...." Read more
"...really smooth and I haven't had any tracking issues, ie: no hiccups in movement etc. Only time will tell how the optics stand up over the longer run...." Read more
Customers are mixed about the ease of use of the mouse. Some mention that it's easy to use with just several buttons, and easy to program keys. However, others say that the instructions are all in Japanese and the mouse has a bit of a learning curve.
"...The instructions are in Chinese I think...." Read more
"...The left click is perfectly positioned, right click is easy to get used to...." Read more
"...The ball was big enough for basic computing but gaming was a little difficult due to the ball being smaller than many competitors...." Read more
"...I mostly use it for day trading, It's easy to use but takes some time and practice to get used to the functions...." Read more
Customers are mixed about the size of the mouse. Some mention that it's appropriately sized for their smaller hands, while others say that it is a bit too small.
"...Just odd placement/shape. The ball also feels small, but I believe that should the mouse last long enough, I should be able to get used to it...." Read more
"All in all a great product. Size, feel, quality all on par or better when you consider price...." Read more
"...Cons:I have large hands for a woman and it is a little bit too small,It uses up batteries fast, especially in the high DPI mode,..." Read more
"The roller ball is kinda smaller than the ones I have on other PC’s. That’s the reason for 4 stars. Other than that, it’s perfect!..." Read more
Customers are mixed about the accuracy of the mouse. Some mention that it has accurate tracking, good button layout, and powerful customization software. They say that the response on the trackball is very precise and has very sturdy feel. However, others say that it lacks precision and sometimes has jumpy movement. They also mention that the mouse is not as precise as a mouse and that the rollerball skips.
"...3. Mine broke after about four months. The dongle no longer finds the trackball...." Read more
"...But other than that, its terrific. Fast, accurate, comfortable. And at fair prices... i highly recommend...." Read more
"...ever had is about 1/3 of the trackballs I have bought have TERRIBLE tracking problems...." Read more
"...The ball moves effortlessly and is as precise as an=y other I've used. The left click is perfectly positioned, right click is easy to get used to...." Read more
Reviews with images
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Top reviews
Top reviews from the United States
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UPDATE: Its now 2023. Ill save u the details but I was asked to give my opinion on ergonomics as it relates to office workstations. I was given the opportunity to do some research on several companies including Logitech, Kensington, and Elecom. The funny part is no one on the team had even heard of Elecom before my recommendation. Comes to find out, they chose Elecom mice for every new workstation in the facility including the main dispatch center hub where they no doubt are going through a trial by fire. And not a single complaint has come up about the performance, and they were actually praised for their customization as dispatchers like to program their mice with their own shortcuts for maximum speed and efficiency during their shifts. So I must retract my initial review about their programming software and tell you that it's much improved. And that's not just from me. That's from a whole 911 dispatch center crew of over 30 dispatchers who have no skin in this race. I'll be honest I forgot about this initial review and never would have paid any attention to it if I had not given it a poor review initially. I stand corrected and concede that improvements are the new order of the day. So Elecom gets the 5th star. Oh, there is still 1 tiny issue... The product info is still written in Japanese so you have to go to the Elecom website to get it translated to English. Lol. Pound for pound.... And I can't believe I'm saying this... Better than Logitech and Kensington. Elecom quality and price is equal, if not better than the big guys , and they offer more innovative options to their products so u get more for your money. At the end of the day, Elecom is doing what any new guy should be doing., better product at better prices, and letting their performance do the talking. And again, Elecom doesn't even know I exist and they don't pay me a single dime to say any of this.... I just believe good quality products should get a little recognition every now and then .
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UPDATE - November 2016 and still very happy with unit - it's held up well. Wheel squeaks but only once in a while.
Same battery that shipped with it is still in use!
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I'm ordering another one.
This is the trackball I've been waiting for. And while it's not quite perfect, it's about 90-95% there, at least for me, and worth the $.
After 20 years of trackballs and heavy computer work using an array of input devices - this is one of the best. Esp if you're mega-mobile. I work in internet research, accounting software and huge spreadsheets by day then heavy computer music composition at night. Lots of numbers, details and audio/video editing. Pop in and leave the low-profile radio receiver into a USB port and it works even before you install the software. Finger hole through bottom of mouse makes it easy to pop out the ball for roller cleaning. But Trackball STAYS securely in mouse when it's put back in. You'll need to clean the rollers once in a while week if you have greasy, sweaty paws, like I do moving around a lot.
Switch on bottom of unit appears to have on, low and high resolution modes. Couldn't tell much difference between low and high but I haven't been working on hi-res imagery lately in Photoshlop. USB Radio receiver tucks elegantly inside for storage if you can't leave it in your computer port. Scroll wheel did squeak for a little while but then it went away. Might be heavy humidity here and temperature shifts. I'm not too worried. I'd rather have durability and consistent performance.
I'm writing this review because other trackball afficionados who need ease-of-use and portability should consider this unit.
For a newly designed device, Elecom got it most of it right.
If this thing is still cranking away like my half-dozen Marble Mice have, they'll really have nailed it.
Will repost as this thing gets more use.
Top reviews from other countries
But after about 18 months of daily use, the micro switch for the button I was using as my left click started failing (one click registered as two clicks). I had to take it apart to replace the switch, which is not a trivial task. The original switch was a Made in China Omron D2FC-F-7N 10M, and I replaced it with a Japanese one.
Reviewed in Mexico on February 3, 2023
Not wanting to give up on the finger style of trackball that I've long become used to, I found this offering. It works very well, fits the hand comfortably, and has the added benefit over my previous old models of being a modern, high resolution product that tracks much faster across my modern high resolution monitors than the old trackball I replaced.