1) Offers the convenience of the wireless Bluetooth interface

2) Delivers the accurate response of optical technology

3) Comfortable features, ergonomic design

4) Easy to use it with four buttons and the scroll wheel

5) Valid working distance is up to 10 meters

6) Installs and operates easily

7) Unique super energy saving mode, its battery life is 50% longer than similar products

8) Compatible with windows 98 / SE / 2000 / XP / VISTA / WIN 7

9) Works with macosxv 10.2.6, only if your MAC has Bluetooth function