This Bluetooth wall speaker is different from our other Powersound products. This speaker has Bluetooth connection function, more convenient to update audio than other types. 

How to update audio? Just open the cellphone Bluetooth, connect the device's bluetooth name(this name can be changed; default name is WT***0M*3). Then play the audio that you want to copy to the device on your phone. Before you play audios, please must adjust your phone into airplane mode. After the audio update finished, you will hear two "di di" sound.

But this device cannot use SD card or USB flash disk to copy audio files, cannot play SD card or U disk. Please note this.

1. Adopt PIR detction technology;

2. The detector has a broad detecting angle;

3. With power-off memory function;

4. Support Bluetooth connection.

5. Bluetooth connection distance: *0meters.

5. Can copy audio by Bluetooth, unable to copy audio files via SD card or U disk.

4. Storage:Built-in SPI Flash memory; not support SD card or U disk.

6. Can play anly audio that cellphone can play.

7. Support two playback modes: all loop and single loop;

8. *-level volume control, volume can be adjusted based on the actual occasions.

9. Volume should be adjusted manually by pressing volume . Cannot adjust volume on cellphone even though Blutooth connected.

*0. Built in *0W power amplifier.