Specification:
1)DPI: 2400-1600-1200-800
2)Button life: 3,000,000 times
3)System supported: Windows 98/2000/7/8/10/XP/Vista/Mac
4)New Cable Length: 4.92ft (1.5m)
5)Material: ABS
6) Color: Black
7) One Weight: 70g
8) Size: 4.47* 2.4* 1.3 inches (L*W*H)