Microsoft 3500 Wireless Mobile Mouse, Cyan Blue
- Blue Track Technology - Works on more surfaces than optical or laser technology.
- Nano Transceiver - Leave it plugged in your notebook when you're on the go. The mouse has its own on/off switch.
- Up to 8 months battery life - Power status indicator lets you know when your battery runs low.
- Comfort - Designed by ergonomic experts for comfort in either hand.