... V2.0 + EDR compliant, backward compatible with v1.2 and 1.1Protocol Bluetooth host controller, L2CAP, SDP, ... including eSCO and AFHSpecificationStandard: Bluetooth V2.0Chipset: CSR BlueCoreFrequency: 2.4~2.48 GHzSymbol rate: 3MbpsAntenna: IntegratedReceiving / Sending rang: 0 ... ME, Windows 2000, XP, Vista / Macintosh OS 10.2 products we have: Guanzhou Bewin Electronics Co.,LtdAccessories for iphone ...