1
MicroSound
Voice Prompter (Body Induction)
WT-M12
1. Product features
Small and exquisite, MP3 audio format, excellent sound quality.
Two levels volume for option, small or maximum.
Human body induction, induction distance within 4 meters.
Using WT2003 voice chip solution, unrepeatable triggering pulse.
Standard 32Mbit SPI-flash, available to replace capacity according to customer requirements.
A and B buttons are corresponding to the previous audio, the next audio.
Power-down memory function.
Micro USB interface.
Support to replace the audio files of SPI Flash through USB interface on computer.
3 AAA batteries or USB for power supply.
Built-in 8Ω1 watt speaker.
2. Electrical parameters
Power supply mode
DC3V~ 5V stabilized voltage supply or 3 *AAA Batteries
Working Current
Sleep standby mode
≤100uA
Playing mode
≤200mA(DC4.7V)
Audio Format
MP3
Bit Rate: 8~320Kbps
Audio Output Power
8Ω/1W(typical value)
Infrared Induction Range
≤4m(120°Angle)
3. Appearance introduction
This product is easy to use. Support voice file replacement on computer through USB interface, but not support to read
SD card. It includes a micro USB interface, two keys A and B, a slide switch.