... use, high capacity. 2.Use for USB cable to charge power bank. 3.Light-weight, ultra-thin design External battery is used ... during important phone conversations.Light-weight, ultra-thin design.Remarks:External battery with stand for iphone, ipad, Samsung, Blackberry, mobile ... consumption time3000 hoursMaterialPlasticProduct StandardCE & ROHS & FCC 2000mah for iPod iPhone 5 4G 3GS external battery