... +EDR) 2.OS supported :windows 7, vista ,xp 3.Dual-mode Bluetooth fully qualified Bluetooth V4.0 specification USB Dongle, support ... Dual-mode Bluetooth/Bluetooth low energy.The product supports Bluetooth® Enhanced Data ... .1+EDR)OS supported :windows 7, vista ,xpPlug and playDual-mode Bluetooth low energy radio USB dongleFull speed USB 2.0 ...