Mini USB TF/Micro SD Card Speaker For MP3 MP4 Player Laptop+FM+Radio 1.manufacturer with reasonable price 2.Built lithiumbatte promotional ... Theatre, Portable Audio Player, Mobile Phone, Computer, OutdoorChannels2 (2.0)Special FeaturePortable, MiniPlace of OriginGuangdong, China (Mainland)ColorBlack, silver, blue, yellow,purple ... Kgs Mini USB TF/Micro SD Card Speaker For MP3 MP4 Player Laptop+FM+Radio