1 Broadcm Bluetooth V2.0, Class 2.
2 Sniff power save mode.
3 3mA(Pressed) with 2 AAA battery.
4 With power switch and rechargeable
   Works with Windows system,Windows.
5 Works with Windows system,Windows
   Mobile system,Symbian S60,iPhone OS .
6 Supports SONY PS3, IPAD, IPHONE.