Pre recorded Advertising Sound Message Supermarket Bookshelf Commercial Speaker This message speaker adopts human body induction technology. When it detects people passing, it can automatically play voice.
Download voice files from micro SD card. First insert micro SD card to speaker, then long press A button (the left one), and turn on the power switch (push from OFF to ON). At this time, the indicator light on all the time. Waiting about 6 seconds, release A button. After indicator light off, that means audio replacement complete.
Can be used in the galleries, subway stations, elevators, store welcome prompt, supermarket promotional message player and so on.
Product Features
Adopt infrared sensing technology.The sensor has a broad induction vision.Sensing head can be rotated 60° at both left and right sides.Voice content can be changed.Automatically trigger to play voice.Power-off memory function.MP3 playback.Change voice files via micro sd card.Built in 4MB FLASH memory.Audio format: MP3 audio.Built in 2W/8Ω speaker, can adjust volumeBuilt in charging circuits, low auto sleeping power, long-term standby time.
Electric Parameter
Power Supply
DC5V Regulated Power Supply
3.7VLi-battery
Working Current
Standby state, Li-battey
≤400uA
Play state, Li-battey
≤300mA
Charge Current
≤710mA
Audio Format
MP3
Bit rate
8~320Kbps
Audio Output Power
8Ω/2W(typical value)
Range of
Infrared Induction
≤5m(120°)
Note: Please load MP3 audio according to the bit rate as above, otherwise sound quality will be worse.
Detailed Images
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Download MP3 audio from computer
Infrared sensor activated
Download MP3 audio from computer
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