Bluetooth 5.0 Audio Adapter 5-in-1 Wireless Transmitter Receiver for Car TV CD PC Home Stereo USB to AUX 3.5mm RCA Receiver Micro SD Card MP3 Player Transmitter for Headphones Speaker

5-in-1 Powerful Bluetooth AdapterIt can work as Bluetooth Audio Transmitter Bluetooth Audio Receiver USB U-Disk Music Player TF/Micro SD Card Music Player and Hands-free Car Kit. There is always a function that can do the job for you.
(Note: Only one mode can work at a time). Bluetooth Receiver & TransmitterBluetooth receiver mode (RX): Wirelessly receives audio from your phone/tablet/Smart TV and plays music on wired speaker/soundbar/amplifier/car aux system/boat via 3.5 mm Jack and L/R RCA.
BT Transmitter Mode (TX): Plug it into a non-Bluetooth device such as a TV/PC/CD/MP3/MP4 via the 3.5 mm Jack or L/R RCA auio cable and wirelessly transmits audio to Bluetooth headphones or speaker.
(Note: Connecting 2 Bluetooth devices at the same time is not supported). Multiple Playing ModesSupports U-disk/USB flash drive and TF/Micro SD card to play music supports mp3/wav/wam/ape/flac audio formats powerful audio decoding capability let you play your favorite high-quality music anytime anywhere without internet connection.
(Note: Does not support NTFS please format the U-disk or TF/Micro SD card to FAT32 or exFAT in your computer before using it to this adapter). Large KnobYou can easily adjust the volume to listen to your favorite TV shows/movies/music at your preferred volume without the hassle of going through the TV remote or your phone every time. While driving you can use this knob to adjust the volume answer/reject/redial calls for a safer trip. The knob comes with a very nice LED breathing light so you can easily find it and operate it whether you are in the car or at home at night. Large LED ScreenGives you a clear view of the current mode and working status: TX RX USB TF. Shows the volume level when you adjust the volume knob. Shows the song time when you play USB or Micro SD music. Makes your operation more intuitive and easier. Built-in BatteryYou can use it in any situation even without AC outlet. It can be fully charged in 1-2 hours and last for 6-8 hours perfect for all-day listening or long road trips you also can use it while charging.
(Note: Power adapter is not included pls charge it via your device's USB car charger or your own 5V USB power adapter).