... speaker 1,2.1 mutimedia speaker 2,OEM&ODM service 3,USB/SD 4,Pefect for MP3,TV,DVDmore mobile speaker mini speaker, computer speaker, ... keyring, real travel speaker.Rechargeable Li-ion battery: big capacity and long playtime.Compatible with: Mobile, MP3/ ... 51g product category MINIinterfaceUSBStructure Floor-standingFunctionUse the computer speaker gifts and other promotional items Load power2.2WBass ...