3 IN 1 Bluetooth 5.1 Receiver Transmitter 3.5mm AUX, Handsfree Audio Adapter for Car

 Equipped with powerful bluetooth 5.1 chip to ensure transmission is clear and stable 150mAh large capacity rechargeable lithium battery Connects to ordinary speakers, breaks space limitations and allows you to enjoy wireless convenience. Three-dimensional magnified playback for shocking sound effects No need to install the drive, just plug and play Built-in independent antenna to enhance bluetooth signal Built-in microphone for hands-free talking The car speaker turns into a Bluetooth speaker in seconds, starts with the car and automatically reconnects Enjoy mobile music, high-definition voice navigation broadcast