... DVD,Black berry, MP3/MP4 Player. Embroidery logo available Solar Backpack laptop charger Solar Panel:18V,180MA,3.24WInput voltage:DC18V, 600MAOutput ... long time Streamlined side bag design on both sides of backpack can contain beverages inside Multiple function and high capacity ... ways to charge up for present digital products Can charge laptop, mobile phone, MP3, MP4 players, digital camera, and iPod ...