wireless usb bluetooth 4.0 adapter mini bluetooth dongle music sound bluetooth transmitter receiver adapter for pc computer ing

features: 1.mini usb bluetooth 4.0 adapter with high speed up to 3mbps. 2.bluetooth low energy wireless usb dongle. 3. dual-mode bluetooth transfer. 4.low-power selectable 1.2 to 3.6 vi/o. 5.supporting bluetooth voice data. 6.supporting multiple languages. 7.compatible with bluetooth v1.2/2.0/2.1/3.0/4.0