universal power portable bank 1.certificte:CE&ROHS 2.With 17 years experience widely use for iphone,ipad, camera,MP4.pm3 1).Feture of the power bank 1.Intelligent designing provide the emergency charging .2.multi-function for epidemical electronic products.3.the low price with excellent quality 4.Dexterous & handy5.with smart protection chip for over-charge /discharge & short circuit.6.optional ...