1. weight: 380g 2. SD, USB card support 3. can be connecting with computer, MP3, MP4, cellphone, workman 4.FM radio support Specification Speaker MS-031.WEIGHT 380g, 2.SD,USB card support,,can be connecting with computer,MP3,MP4,cellpnoe,workman,3.FM Radio support, Attached with DC charge and remote. BrandMYSversionMS--03product CategoryComputer SpeakerSpeaker ConnectorS/PD InputSpeaker ...