. Infrared Motion Sensor Sound Player MP3 Files . Infrared Motion Sensor Sound Player MP3 Files Feature: 1. Automatic playback: Motion sensor sound player uses infrared sensor technology, detection distance from 0 do 4 meters, 120 degree angle, detection sensitivity. Automatic playback of speech, music, advertising. 2. Long battery life: The motion-activated sound player is equipped with a 1250mAh lithium battery, which ensures a long battery life. Full charge status, playback 50 times a day, voice length 10 seconds, can be used for about 30 days. 3. Interchangeable files: This motion-activated voice player is easy to use, supports USB for voice file sharing, and stores 4M voice. Customizable music files, download music files through your computer. 4. Adjustable and beautiful sound: The infrared motion sensor voice player uses an MP3 playback program with beautiful sound quality and adjustable volume to meet the needs of different scenarios. 5. Multiple uses: This infrared motion sensor speaker is perfect for exhibitions, welcomes guests at the door, gives guidance to others when you go out, and is also suitable do indoor Christmas music decorations. . Infrared Motion Sensor Sound Player MP3 Files . Infrared Motion Sensor Sound Player MP3 Files Specification: Item Type: Motion Sensor Sound Player Material: ABS Battery Type: Lithium Battery Battery capacity: 1250 mAh (included) Sleep Current: 40uA Playback Current (Maximum): 330mA Sound output power: 82W (typical value) Format MP3 audio: 16 to 320 Kb/s Induction range: 4 m/13,1 ft (-20C do 40C) Volume: 100dB Working time: fully charged, 50 times playback per day, 10 seconds voice, about 30 days use Voltage: 100 V-240 V . Infrared Motion Sensor Sound Player MP3 Files . Infrared Motion Sensor Sound Player MP3 Files Package List: 1 x Motion Sensor Sound Player 1 x User Manual 1 x Mounting Bracket Set (2-Pack) 1 x do data cable 1 x Screw Accessory Set 1 x Double Sided Sticker 1 x Adapter . Infrared Motion Sensor Sound Player MP3 Files . Infrared Motion Sensor Sound Player MP3 Files