Feature:1. Mini USB Bluetooth 5.0 adapter with high speed up to 3Mbps.2. The Bluetooth wireless USB dongle is low energy and has high performance.3. Dualmode Bluetooth transfer. Ultracompact design and fingernail size can save space, you can leave the Bluetooth dongle in your laptop when you are on the go.4. Lowpower selectable 1.2 to 3.6V I/O.5. Supporting Bluetooth voice data. With a transmission distance of up to 65 ft, you can enjoy lossless music via your Bluetooth headset without hovering around your computer.6. Supporting multiple languages.7. Compatible with Bluetooth V1.2/2.0/2.1/3.0/4.0/5.0.Specification:Condition: 100% Brand NewItem Type: Bluetooth AdapterMaterial: ABSColor: As Pictures Shown Product Size: 21x16x5mm / 0.8x0.6x0.2inchWeight: Approx. 29g/1ozBluetooth Version: Bluetooth V5.0+EDRChip: RTL8761BFrequency Range: 2.400-2.480GHzTransfer Rate: 3MbpsDistance: 0-20M/65.6ftOperation System: for Windows7/ 8/ 10/ / 2000/ 98/ Me etc.Not support : for Windows XP/ Vista ,for Linux / OSInterface: USB 2.0.Package List:1 x Bluetooth Adapter1 x Manual1 x CD