Specification:
1. Material: ABS.
2. Critical life: 5 million times.
3. Wireless distance: 10 meters.
4. Work: Photoelectric.
5. Battery capacity: 500mAh (rechargeable lithium battery).
6. Resolution: 800dpi 1200dpi 1600dpi. (1200dpi default).
7. Rated voltage / current: 3.7V / 18mA.
8. Power type: rechargeable (charge time 2h working time 150h).
9. Button: 2 buttons and 1 round wheel (middle) and DPI button.
10. System Requirements: Windows 98 / Me / 2000 / XP / Vista / Win 7 / Win8 / 10 / Vista Mac OS or the latest version.
11. Product weight: 67g.
12. Size: 11.2x5.8x2.5cm.

The package contains:
2.4GHz wireless mouse x 1
USB receiver x 1
25cm USB charging cable x 1