Bluetooth 5.3 Audio Amplifier Receiver Supports USB/MP3 Playback

1. Bluetooth solution: 5.3 EDR, A2DP, HSP, AVRCP2. Frequency: 2.4GHz-2.48GHz3. Power supply voltage: DC 5V (without built-in battery)4. Bluetooth receiving function: connect to a mobile phone5. Support reading U disk to play6. Bluetooth transmission distance: 10m7. Support Bluetooth hands-free call function8. Support Bluetooth dual channel9. Frequency: 2.4GHz10. Working voltage: 5V11. Interface: 3.5mm stereo input jack12. Power supply: charge with mini USB cable13. Working time: up to 5 hours14. Interface type: AUX, optical fiber, RCA, U disk15. Basic functions: Bluetooth reception, U disk playback16. Supported equipment: mobile phones, tablets, computers, speakers, power amplifiers, etc.17. Equipped with high-performance Bluetooth 5.3 chip, low-loss data transmission, fast response, stronger anti-interference, bid farewell to delays, freezes and other problems18. AUX/RCA red and white lotus/digital optical fiber/U disk, to meet the needs of different equipment and different audio interfaces19. Connect the audio interface of the old