*Broadcom Bluetooth V2.0 *With power switch and rechargeable *Supports iPad,SONY PS3 bluetooth keyboard1.Broadcom Bluetooth V2.0, Class 22.Sniff power save mode, with power switch3.3mA(Pressed) with 2 AAA battery4.With power switch5.Works with Windows system,Windows,Mobile system,Symbian S606.Supports SONY PS37.Size: 140mm(L)x72mmWx13mmH8.Weight:63g+/-2g new arrival slim mini bluetooth keyboard