... lights:Multifunction all in one with Entertainment,Microphone, Amplifier, Loudspeaker,Music play and FM radioSupporting TF card ... capacity Lion battery, keep working with 20 hoursWith digital display, also show bettery usageOuput power: 12 W ... working timeKeep working in 7-8 hoursFunctionMp3, FM radio, Amplifier, loudspeaker, microphone, reverberationColor ChoiceBlack,Red, BlueWeight225g ( including ...