HXSJ M40 4 Key 2.4G Colorful Wireless Silent Mouse (Black)

Main Features1. 2.4G wireless transmission technology 2. 10m wireless receiving distance 3. Three gear DPI adjustment design 4. Quiet and elegant office wireless mouse 5. Colorful, cooler 6. High resolution: fluid motion 1600 DPI high resolution 7. Fashion slim design: slim design, fashionable appearance, easy to carry Specifications1.Color: black, silver. 2. Material: ABS 3. Key lifetime: 5 million times 4. Wireless distance: 10m 5. Work: photoelectric 6. Battery capacity: 500mAh (rechargeable lithium battery) 7. Length of charging cable: 25cm 8. Project type: ergonomic optical mouse 9. Resolution: 80012001600 (the default is 1200dpi) 10. Operation mode: photoelectric type 11. Rated voltage / current: 3.7v/18mA 12. Power type: Rechargeable (charging time 2 hours, working time 150 hours) 13. Button: 2 buttons and 1 round (medium mutton) and DPI key 14. System requirements: Windows98 / Me / 2000 / XP / Vista /