... sport bag,MP3 speaker,solar mobile phone charger,solar charger Solar speaker bag through solar panel to absorbs solar energy, then charge ... speakerOutput power of speaker: 2wWith outside amplifierSpeaker with solar cellAmplifier size: 90mmAccessory:V3+2.5Impedance:8ΩUser ... Samsung, Sony Ericsson, Siemens, Motorola) Supply power for digital devices (Digital camera, PDA, MP3, MP4,IPOD and so on) ...