Bluetooth adapter wirele bluetooth usb dongle adapter Bluetooth 5.3 5.0 receiver Bluetooth transmitter for pc audio speaker Item Name: Bluetooth Adapter Chip: Realtek 8761 Interface: USB 2.0 Transfer rate: 3Mbps Bluetooth Version: Bluetooth V50+EDR Frequency Band: 2.400-2.480GHz Color: Black Item Size: 21x16x5 mm Receiving Range: About 30M, In an open environment UP TO 50M Operation System: Windows7/ 8/ 10/ / 2000/ 98/ Me etc. Not support : windows xp/ vista , linux , mac os 1. Mini USB Bluetooth 5.0 5.1 5.3 adapter with high speed up to 3Mbps.2. Bluetooth low energy Radio 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 3.0/4.0/5.0/5.1/5.3 Noted: 1. It can't work in car stereo or TV !!! it can only use for computer.IF your computer without the CD ROM reader,please contact with us to get the Driver zip. 2.Not support windows xp/ vista,Mac OS,Linux system [USB Bluetooth 5.3 Adapter] Bluetooth 5.3 adapter downward compatible bluetooth 2.0/3.0/4.0/5.0/5.1 devices [Technology of Bluetooth 5.3 Adapter] The latest Bluetooth 5.3 technology has made a major breakthrough, optimizing the transmiion delay and connection defects of the old version of Bluetooth 5.0 [Diver-free for Win8.1 and Later] It does not work with win7/8, Mac OS, Linux, Car systems, TVsOnly use on Win8.1 and Later [High Performance and Stable Transmiion]The advanced Bluetooth 5.3 adapter has high sensitivity, fast transmiion and stable connection with the device Automatic Fast ConnectionOnce PairedOnce it is paired with the device, it can quickly and automatically connect to the device Multi Device ExpansionFast and further working distance than Bluetooth 5.0 Supports Bluetooth speakersheadsets, keyboards, mouse , printer, game machines and more A Connection of 5 Devices Simultaneouslycompatible with multiple wirele devices to save USB ports Data TransmiionBluetooth 5.3 adapter supports fast file transfer from PC to smartphone [Multiple use scenarios]