Features: Support Bluetooth-compatible music/TF card/U disk playback, support Bluetooth-compatible hands-free call, support power-off memory function. The orange LED screen can display frequency point, song number and working status information. Supports folder switching playback function, song classification playback. Charge 2 mobile phones at the same time, support charging while listening to songs. Noise cancellation function and built-in noise cancellation circuit make the call sound clearer.