4990 7990

It employs a large artificial ruby with a diameter of 2.5mm to support ball. Certainly basic performance and equipped with unprecedented new features, wireless track ball of the thumb-operated type to achieve a pointer follow-up evolved.


Interface: USB
Connector type: USB (A) male
Supported devices: The Windows OS equipped with Universal Serial Bus port, the macOS deployment machine
Supported OS Windows 10, Windows RT8.1, Windows 8.1, Windows 7, Windows Vista, Macintosh OS X 10.10 (Update to latest version of each OS and installation of service pack may be necessary.)
Resolution: 750/1500 count (change possibility)
Communication method: GFSK method
Radio frequency: 2.4GHz band
Radio wave outreach: When we use on magnetic body (desks of iron): When we use on 3m, nonmagnetic material (desks of tree): 10m
Reading method Optical sensor method
Output optical beam type Non-visible wavelength area
The number of the buttons Six 
The number of the wheels 1
Horizontal scrolling function Yes
Receiver storing Yes
Continuous operating: Low energy mode: About 125 hours, High Speed Mode: About 76 hours
Continuous standby time: Low energy mode: About 694 days, High Speed Mode: About 694 days
Estimated battery life Low energy mode: About 273 days, High Speed Mode: About 176 days (When we assign 5% during 8-hour PC operation a day to mouse operation)
Power supply (the body) AA alkali dry cell, AA manganese dry cell, either one of the AA nickel-metal hydride rechargeable.
Voltage rating (the body) 1.5V
Color: < Black >
Dimensions (Mouse:) 94.7mm in width X 124.4mm in depth X 47.9mm in height
Dimensions classification Large size
Weight (Mouse:) About 128 g (We do not include battery)
Dimensions (receiver) 13.1mm in width X 18.2mm in depth X 5.0mm in height
Weight (receiver) About 2 g
Accessories: AA alkali dry cell X 1 for operation check, User manual X 1
Qty available:0
Wireless/ Wired Trackball Mouse M-XT3DR/UR Series
4990 7990

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