1.Mini USB battery charger work on any USB port 2.Portable smart, keyring 3.Card reader 4.USB Flash drive 5.MOQ.100pcs Mini battery charger Portable smart Card reader FashionalbeKeyringIt is a  Battery Charger, Card reader, USB Flash drive  Fashionable Accessory , ALL-IN-ONE ! And you can regard it as a keyring also.Portable battery charger works on any USB port Just remove the battery from your phone or camera (or most changeable Li-ion battery), adjust the connectors on the charger, and plug it into your computer Recycled Plastic 

Mini USB charger for Mp3, mobile phone