BLACK USB Bluetooth 5.0 Wirele Adapter Receiver Dongle 2.4GHz Audio 10M Win10 For PC Laptop 5.0 Speaker Mouse Transmitter Please NotePlease Note 1Not work with Apple device,Mac OS, Linux,car stereo systems,or TVs. 2Due to the light and screen setting difference, the item's color may be slightly different from the pictures. 3Please allow slight dimension difference due to different manual measurement. Feature Mini, Plug and Play, High Speed, Easy to Carry 1.Mini USB Bluetooth-compatible BT 5.1 adapter with high speed up to 3Mbps. 2.Bluetooth low energy Wirele USB Dongle. 3. Dual-mode Bluetooth-compatible transfer. Item Name: Bluetooth-compatible Adapter Chip: RealTek 8761BUV Interface: USB port Transfer rate: 3Mbp Bluetooth Version: Bluetooth-compatible BT V5.1 Frequency Band: 2.4GHz2402-2480MHz Color: Black Operation System: Windows7/ 8.1/10 Not support : windows xp/ vista , linux , mac o Receiving Range: About 0-10M, In an open environment UP TO 10M Blue-tooth will be particularly vulnerable to other wirele interference and different devices, transmiion distance will be limited,for example, WiFi signal, wirele mouse and Blue-tooth are the same frequency,and so on.The transmiion distance may be not reach 10m, and the specific distance is subject to the surrounding environment of the equipment. What is in the packaging? 1 x Mini Blue-tooth Adapter