Upgraded Bluetooth 5.0 AdapterNEW Bluetooth Audio Adapter will upgrade your non-Bluetooth device. Enjoy wireless life, no longer troubled by wired connection. Use Bluetooth 5.0 technology to make the connection faster and more stable. The connection range is 15m.^ Easy to Use: In Receiver mode, you can also answer calls with One-click. Mini Bluetooth transmitter receiver is easy to carry and use. After successful pairing, it will automatically connect to your Bluetooth device the next time.^ Bluetooth Transmitter & ReceiverTransmitter Mode: Plug into non-Bluetooth device like TV, PC, CD player, MP3/4 and pair with Bluetooth speaker/headphone. Receiver Mode: Plug into non-Bluetooth Home/Vehicle Sound System and pair with the Bluetooth of your smartphone/laptop.^ Excellent PerformanceLow-latency technology: Enjoy end-to-end audio transmission speed, audio and video synchronization without delay. Noise reduction technology: Minimize transmission loss and provide you with a high-quality sound experience.^ Plug and PlayNo need to install any driver. USB port power supply, no built-in battery, no need to worry about battery power at all times.