universal power portable bank 1.certificte:CE&ROHS 2.With 17 years experience widely use for iphone,ipad, camera,MP4.pm3 1). ... NB,PC, Car adaptor, AC adaptor or other USB power source.Charging will start automatically. Instant battery energy level will be ... .S. implement by pressing the button and hold for 5 seconds. multi-function universal portable power bank for iphone,mobile phone,Ipad,MP3...