Description:Usb 5.0 Bluetooth dual mode dongle, compatible with Bluetooth 2.1, 3.0,4.0, 4.1 and 4.2 specifications. Integrated low-power MCU, RFtransceiver, baseband, modem, USB, UART, PCM/I2S, SARADC and 24 GPIOswith the Barry Bluelett protocol stack to provide low-cost, low-power,flexible and powerful Bluetooth applicationSupport Ca1/2 Power levelSupport Bluetooth 5.0 dual-mode specification, support both claic Bluetooth and low-power BluetoothSupport USB/UARTSupports 7-BR/EDRE ACL links, 1-SCO/eSCo audio links and 1-BLE slave links or 4-BLE mastersPaed BQB certificationOperating temperature -20 to 70 CSupported operating systems: Windows, Android, Linux, FREERTOS, ThreadX UITRON NOT suitable for all IOS devices including Mac, iPad and iPhone,it can't work in car stereo or TV !!! it can only use for computer. Specifications:Item Name: V5 Bluetooth 5.0 AdapterInterface: USB 2.0Transfer rate: Max 24MbpsBluetooth Version: Bluetooth V5.0Frequency Band: 2.400-2.480GHzColor: Black/WhiteItem Size: 21x16x5 mmOperation System: Windows 7/ 8/ 10/ Vista/ XP/ 2000/ 98/ Me etc.Low-power selectable :1.2 to 3.6 VI/O.Supporting multiple languages.Compatible with Bluetooth v1.2/2.0/2.1/3.0/4.0/5.0Supporting multiple languages