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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)

ELECOM
Category: Electronics > Computers & Accessories > Computer Accessories & Peripherals > Input Devices > Trackballs

Price

$37.99

Rating

4.1(2,990 reviews)

Description

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. 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. High design quality has been recognized by numerous design awards, including the Good Design Award, as well as by many users. 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. 1. 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. 1. 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!! 1. 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

Key Features

  • ✅《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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Product Details

Product ID

B0171QQ7FM

ASIN

B0171QQ7FM

Category

Electronics > Computers & Accessories > Computer Accessories & Peripherals > Input Devices > Trackballs

Reviews

2,990

Prime Eligible

Yes

Last Scraped

2/18/2026

Technical Details

AsinB0171QQ7FM
Batteries1 AA batteries required. (included)
Best sellers rank#37 in Computer Trackballs
BrandELECOM
ColorBlack / Black ball
Customer reviews4.1 4.1 out of 5 stars (2,990) 4.1 out of 5 stars
Date first availableNovember 2, 2015
Hardware platformLaptop, PC
Is discontinued by manufacturerNo
Item dimensions lxwxh3.7 x 1.8 x 4.9 inches
Item model numberM-DT2DRBK
Item weight4 ounces
ManufacturerELECOM
Operating systemWindows 8, Windows 8.1, Windows 10, Windows 11, macOS 10.10
Power sourceCorded Electric
Product dimensions3.7 x 1.8 x 4.9 inches
SeriesELECOM
Wireless type2.4 GHz Radio Frequency

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