Visit Amazon.com : http://www.amazon.com/gp/product/B009OV7ZU4?tag=thefatkidin06-20
Sanwa Ergo Wireless Laser Mouse MA-ERGW6 Ergonomic Design
Interface USB HID Version 11 also applicable for USB20 USB connector A type
24 GHz wireless RF Auto Link
Range of radio communication radius 10m 329ft for wooden desk radius 2m 33ft for steel desk
Resolution 800 1200 1600 counts per inch
Works with Windows 8 7 Vista XP 2000 Mac