... KeFeatures:Bluetooth V4.0 class2 (also compliant Bluetooth 2.1+EDR)OS supported :windows 7, vista , ... Bluetooth low energy radio USB dongleFull speed USB 2.0 interfaceBluetooth end product Bluetooth low energy Support ... belt, Find me, Proximity, Generic Attribute Profile Bluetooth 2.1+EDR Support A2DP, AVRCP, DUN-GW, HSP ... notebooks, netbooks and desktops USB DongleTV set-top boxes General Specification: