Features:
1. 2+1 (scroll wheel)buttons
2. Anti-Skid wheel and comfortable buttons
3. Stylish ergonomic design
4. Optical technology enables to work
5. paractically on any surface in cludingplastics and wood
6. USB infterface
Specifications:
1. 3 buttons
2. Resolution 1000dpi (Senser: Optical A1615/A8733)
3. Rating: DC 5V~100mA
4. Cable length 1.5m
5. Compatible Systems: Win XP/Vista/7/8/10, Mac OS
6. Dimensions: 120*65*38mm
7. Weight: 90±2g
อ้างอิงจาก : http://www.meetion.net