1.Ergonomist-approved design positions your hand for improved comfort.
2. Built-in wrist rest and neutral grip supports, cushions and positions the wrist
3. Dual wireless with 128-bit AES encryption security delivers the flexibility of 2.4 GHz.
4. Bluetooth 4.0 LE, with government-grade encryption.
5. Five buttons (including forward and back) enhance navigation and productivity.
6. Three-mode power-saving switch allows you to toggle between 2.4GHz, Bluetooth and Off
7. Three DPI settings (800/1200/1600) let you dial in the sensitivity and precision of your mouse.