mini speaker is used for mobile phone,computer,MP3/MP4player 1.Input:5.0V Output:3.7V 2.battery :800ma Stereo Built-in

mini speaker is used for mobile phone,computer,MP3/MP4player1.Input:5.0V  Output:3.7V2.battery :800ma

3.with radioOperation Manual:

1. connect DC5V adaptor plug into the socket"DC5V"at the side of this unit for reaching.

2.Play Mp3 format music form SD/MMC card ,U disk,FM function ,Frequency Response:87.5~108MHZ.

3.No need to shift betwwen U disk/SD/MMC card,speaker automatically reads the memory plug in.

4.Connect 3.5 stereo audio cabel to the socket of "audio in" you can play music sources from mobile phone ,MP3,MP4 PC and toher audio devices.

5.press the keys on the control panel ,you can shift Udisk and SD/MMC card.

mini speaker