1.Broadcom Bluetooth V2.0, Class 2

2.Ergonomic design, With 8 function keys

3.Use 2 batteries

4.Frequency range 2.4-2.4835;

5.Works with Windows system, Windows 

Mobile system, Symbian S60

6.Supports PS3

7.Size: 284.34mmx119.80mmx6.70mm

8.Weight:307g