can shape multimedia speaker, Micro SD card slot, USB port, Radio, 3D sound, ... MP3,MP4,PC,IPOD and other audio devices, if you devices have 3.5mm socket.(2) Suitable for Promotion, Gift, Store ... radio function(4)Power Source: (1) DC 5V adopter (2) USB 5V Cable(connect with) from computer. Output power:3W ... :Dia65mmXH117mmWeight:240gColor:OEMli-ion battery350mah 3D sound Can Multimedia speaker