Robot amlifier 1.android Insert card speaker portable amplifier 2.support TF-card 3.built-in battery Android speaker, robot insert cards portable amplifier sounds:stereos subwooferColor:Black,white,orange,blue,green,etc.Packaging:gift boxPower: 3WSize:55*55*85mmNet Weight: 77gStorage:T-FLASH cardUSB: mini 5P interface line in+Line out:3.5mm interfaceAudio format:MP3,etc.Built-in Li-ion battery ...