Mini portable speaker for mobile phone with the 3.5mm jack stereo input 1.Power supply mode: DC5V or 4AAA battery Brand NameJCDModel NumberSP-8103TypeActiveUseHome Theatre, Portable Audio Player, Mobile Phone, Computer, OutdoorChannels2 (2.0)Special FeaturePortable, MiniPlace of OriginGuangdong, China (Mainland)ColorBlack, silver, blue, yellow,green, pink Market Worldwide Sound Quality ...