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. Dual‑mode Bluetooth transfer. Ultra‑compact design and fingernail size can save space, you can leave the Bluetooth dongle in your laptop when you are on the go. 4. Low‑power 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 New Item Type: Bluetooth Adapter Material: ABS Color: As Pictures Shown Product Size: 21x16x5mm / 0.8x0.6x0.2inch Weight: Approx. 29g/1ozBluetooth Version: Bluetooth V5.0+EDR Chip: RTL8761B Frequency Range: 2.400-2.480GHz Transfer Rate: 3Mbps Distance: 0-20M/65.6ft Operation System: for Windows7/ 8/ 10/ / 2000/ 98/ Me etc. Not support : for Windows XP/ Vista ,for Linux / OS Interface: USB 2.0 . Package List: 1 x Bluetooth Adapter1 x Manual1 x CD