Car Bluetooth 5.1 Audio Receiver Wireless Adapter Converter 1. Bluetooth version: 5.3 2. Bluetooth mode: HFPHSPA2DPAVRCP 3. Sound format: WAV, FLAC, APE 4. Transmission distance: about 10m 5. Battery capacity: 250mAh 6. Charging time: about 2h 7. Use time: about 15h 8. Charging interface: Type-CUSB-C 9. Charging voltage: 5V 10. Packing list: receiver x1, charging cable x1, manual x1, adaptor x1 11. Weight: about 16.5g Features: 1. Bluetooth 5.3, low power consumption and stable transmission, clearer sound quality 2. Power on automatically connect back to the paired Bluetooth devices 3. LED display color power display, four levels of power indicator 4. Support Bluetooth stereo music 5. Leather texture, delicate touch 6. Bluetooth call with DSP noise reduction 7. Can be connected to two devices at the same time 8. TF card can be inserted for use 9. Receive Bluetooth signal, through AUX audio interface to stereo, headphones and other devices 10. Plug into the car AUX port, so that the car stereo into car Bluetooth