waytronic Replaceable Voice PIR Infrared Motion Sensor Activated Welcome Doorbell for Shop Store Christmas MP3 Audio Files to Play Speech，Sound Player Speaker with USB Cable(White)

This audio player, called Microsound.  Audio will playback automatically after the PIR sensor has been activated.

The audio files can be replaced by yourself. For example, used as a doorbell, when customer enter the door, it can say "Hello, welcome". 

Application:

• Create an audible warning for a restricted area.
• Audible security alarm.
• Create a special door entrance greeting.
• Raise attention and create impact by adding a speech, music or sound effects to a point of sale display.

Features: 

• MP3 audio format.
• Two levels volume for option, small or maximum.
• Human body induction, induction range within 4 meters.
• Built in 32Mbit(4MByte) flash memory.
• Play modes: single play, sequential play.
• Audio files can be replaced by yourself.
• Can download audio files directly from computer.

Parameters:

• Power Supply: 3 AAA batteries or USB power, DC3V~ 5V
• Working Current: Sleep mode ≤100uA; Playing mode ≤130mA
• Audio Format: MP3, Bit Rate: 8~320Kbps
• Audio Output Power: 8Ω/1W
• Infrared Induction Range: ≤4m(120°angle)

How to update audio files? 

1. Convert the voice into MP3 format.
2. Connect player to computer by USB cable. There will be a removable disk appearing on computer. 
3. Format the "removable disk".
4. Open that removable disk, then copy files to this disk.

Note: Before copying, delete all Manufacturer's files frist, then copy your own files to this device.