... USB power or DC-5V adapter as power supply and charger, when power off, indicator light turns red while charging, ... mobile. After connect to the bluetooth. For playing music/pause. VOL- for turn down the volume, VOL+for turn up the volume. For previous item For ... item Mini audio box with concept integral stereo portable mobile music, connecting your MP3,MP4,CD,DVD,iPod,iPhone,iPad,GPS,PSP,mobile phone ...