... , flexible, foldable 4W 6V Folding Flexible Solar Panel Charger for Mobile Phone, MP3, MP4 Power 4WOperating voltage6VOperating current0.66AWeight210gSize560*215mm Encapsulating materialWaterproof PET ... equipment, small power testing instruments, portable power supply, radio, MP3, mp4, moble phoneSuitable for consumer groupsgift, outdoor sports, cross country, portability and emergency ...