Support inserting U disk for playback,Elderly and children dancing yoga outdoors Having a screen is more convenient,Multiple information can be displayed Support recording single loop,Single song loop play M to switch to recording mode wireless charging microphone,Supports wireless charging of the speaker, 0.1 second adsorption Suitable for many musical instruments,With instrument interface, volume, bass and treble adjustment, professional instrument sound amplifier design Name:Digital player Product model: S59 Battery capacity: 7.4V2800mah dual-cell Size:11.7 x 9 x 4CM Frequency response: 100HZ-13000HZ Music playback: Support APE/WAV/WMA/MP3 formats The product appearance and printed words depending on the batch, but this does not affect use Color: As Shown Material: ABS Package Contents: 1 x Voice Amplifier With accessories Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.