Mini bluetooth 4.0 dongle,bluetooth dongle v2.0 driver,bluetooth dongle for android Bluetooth 4.0 Specification Features Fully qualified Bluetooth 4.0 specification system Support for Bluetooth 3.0 only available with CSR8510 Dual-mode Bluetooth /Bluetooth low energy Draft Bluetooth low energy HID boot mode support Full-speed Bluetooth operation with full piconet and scatternet support Integrated balun No external regulators required for USB supply operation Full- speed USB 2.0 interface WLAN coexistence interface Green (RoHS compliant and no antimony or halogenated flame retardants) Design optimised for low-cost PCB manufacture