Form Factor: 3.5 inch Perfect for:...
The Lenovo Optical Mouse (06P4069) utilizes optical tracking technology for precision control
Lenovo Optical USB Mouse
Supports Bluetooth 4.0 or 2.4 GHz wireless Ultra-slim 13.5 mm design 180-degree rotatable hinge Rechargeable battery 1 month of battery life from 2-hour charge
ThinkPad Travel Mouse USB, PS/2 800dpi
Integrated wheel scrolling device Works on many surfaces; no mouse pad required Full-size shape that fits comfortably in either hand