... efficiency solar panel. 3,CE,ROHS report. 4,speaker mp3 speaker backpack solar Solar panelpower:2Wpacking Outer Carton(CM) : ... panelsCertificateCE&ROHS Speaker bag,Solar Speaker bag,sport bag,MP3 speaker,solar mobile phone charger,solar chargerSolar speaker bag ... , Sony Ericsson, Siemens, Motorola) Supply power for digital devices (Digital camera, PDA, MP3, MP4,IPOD and so on) Supply power for some ...