Wireless connection with Bluetooth« enabled devices Perfect combi with mr Handsfree headsetsBluetooth« V2.0 + EDR compliant; Class 2 Range: up to 25 metersSupports data and voice communicationData rate: 2~3 Mbps (High-speed transmission) Stereo audio streaming support (A2DP) Connect up to 7 devices in a PiconetSecurity: encrypted link, authenticationIVT 3.2 software includedSuitable for Windows 2000/ Windows XP/ Windows Vista