1. Put DC 5V adapter into "DC 5V" port in the mini speaker side,
then battery charging is started
2. It can support SD/MMC card, USB stick(maximum support within the
16GB)audio MP3 format file.
3. USB stick/SD/MMC card will be automatic play.
4. Put 3.5 stereo audio LINE insert "LINE IN" interface can realize
external audio source input, will connect cell phones, MP3, MP4,
PC, etc. Have audio output device (take down the SD and USB card
when receive external audio ) &
Multimedia Speakers Images