Motion Triggered MP3 Audio Player Mini Infrared Sensor, Welcome Greeting Sound Device with Loud Speaker Smart Electronics Bolts quickly and easily to

Bolts quickly and easily to your chassis

and easy to adjust the position

Simple square juice drink bottle

No longer afraid of that small parts falls into the gap

then select the "Wi-Fi Connector" type

Motion Triggered MP3 Audio Player Mini Infrared Sensor, Welcome Greeting Sound Device with Loud Speaker Smart Electronics Bolts quickly and easily toMotion Triggered MP3 Audio Player Mini Infrared Sensor, Welcome Greeting Sound Device with Loud Speaker Features: Only support to play MP3 audio, two levels of volume are optional. Human body induction, induction distance up to 4 meters. Built in 8ohm 1W speaker, built in 32Mbit (4Mbyte) flash memory. Two playback modes: full loop playback, single loop playback. Press the A button to play the previous audio and the B button to play the later audio.