Check the listing for details. MP3 Voice Recording Playback Module Sound Recorder board with Speaker+PIR sensor. Condition: New. Listed at 17.69 USD. Description: This product can realize MP3 music playback, support TF card, support USB download, small size, light weight, simple operation, can be connected to the human body infrared sensor module. The basic functions are as follows: 1. 5 buttons to control music play/pause, adjust volume .With loop, jog play, single-pass playback2. Can be connected to the computer through the MINI-USB interface, as a U disk, download MP3 songs directly from the computer.3. SPI Flash and TF are used to store MP3 songs, choose one of the two. When both exist, the TF card will play first.4. Onboard SPI Flash can realize related functions, high quality and low price.5. With 3W external power amplifierNote:TF card is not including.Battery case needed 3pcs AA batteries, batteries are not including. Package included: 1 X Recording Module1 X Battery Case1 X PIR Sensor Module1 X 3W Speaker