Ujjdwiurgh Bluetooth FM Transmitter for Car, Bluetooth AUX Adapter, Bluetooth Receiver for Car Music/Hands-Free Calls/Stereo Audio

[Power off memory function] After the device is powered off, it automatically stores the playback frequency, volume, and tracks. When the device restarts, the songs playing without the need for manual adjustment. [Stable connection] Bluetooth 5.0 connection is more stable, reduces signal interference, playback does not lag, connection is clearer, built-in antenna design, can achieve barrier free signal transmission within 10m. [Easy connection] Easy connection and automatic reconnection. The first time you turn on Bluetooth, you can search for S-23 pairing connection. time you turn on Bluetooth, it automatically connect to S-23, making it more convenient and efficient to use. [Support TF card playback] The playback priority is Bluetooth TF, and the default boot mode is Bluetooth mode. Inserting a TF card enable TF music playback mode, supporting multiple audio formats such as MP3/MWA/APE/FLAC/WAV. [Support AUX OUT] You can choose an AUX audio cable, which can be directly connected to the car audio system without the need for FM modulation to avoid wireless signal interference, resulting in clearer sound quality and more stable calls.