Connects PC with bluetooth-enabled mobile to transmit files, browse internet, send/read emails, update address book and memo, send films, pictures, and music, etc. Lightweight, easy to carry USB charging line Quick data transmission rate and quick pairing Frequency-Hopping Spread Spectrum (FHSS) reduces the possiblity of disconnection. Supports up to 7 different bluetooth devices simultaneously. Supports bluetooth profiles: A2DPAVRCPBIPBNEPDUNFaxFTPGAPGAVDPHCRPHeadsetOBEXOPPPAN and SPP Supports operation systems: Windows 98SE Windows MeWindows 2000, Windows XP as well as windows VISTA system. CLASS 2 Transmitted Power Transmission Range up to 30 feet(visible distance) Supports WINDOWS98/SE/ME/2000/XP Reception Sensibility: -85dBm @ 0.1%BER Supports Bluetooth safety code, Including 128bitsData Encryption Product Category: Bluetooth Adaptor Color: Black Bluetooth Specs: V2.0+EDR, Backward compatibility Transmitted Rate: Up to 3M Receiving Range: 40m Frequency Range: 2.4GHz Product Size: (L)50.5mm(W)18mm(H)10mm