Description: This product can play MP3 songs, supports TF card, USB download, has the advantages of small size, light weight, and simple operation. It can be connected to human infrared sensor module 5 buttons, control music play/pause, switch up/down music, adjust volume up/down It can be connected to a computer via Mini-USB, used as a U disk, and download MP3 songs directly from the computer SPI Flash and TF are used to store MP3 songs, choose one of the two, when they exist at the same time, TF card playback priority With 3W external power amplifier Due to different product batches, the appearance may be different, which does not affect use. material: plastic color: As Shown Package Contents: 1X Recording Box 1X Empty Battery Case 1X Recording Module 1X PIR sensor 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.