Ø Support MP3 audio format, good sound quality.
Ø With rainproof USB female connector. Connected to computer to replace audio.
Ø The default is high level triggering way (other triggering ways can be customized).
Ø Support multi-channel triggering, max 5-channel triggering.
Ø Five levels of volume for adjustment, wide applications.
Ø Built-in SPI memory, support 4Mbit~64Mbit storage capacity, audio lengthup to more than 2000 seconds.
Ø The maximum audio output can be 30W.