... mobile phone Travel, camping, business best choice SB-2116 New Mini Mobile Emergency Battery Charger for cell phone Working PrinciplesThis portable ... can charge various digital products via different connectors, such as: MP3 player, MP4 player, PMP, PSP, PDA etc. To charge ... products via different connectors, such as: FOMA phone, AU phone, MP3 player, MP4 player, PMP, PSP, GPS, digital camera etc.5 ...