Ultrathin Emergency Charger in Shape of Smartphone with Battery Indicator with Light & Built-in Lithium Polymer Battery 4600mah-3.7v. Put: 5v-1a. Output: 5v-1a. Power Charger Via USB with USB Cable, Charger. Suitable for Charger Most Common Mobile Devices Including Smart Phones & Music Players. Meets European Directives & Available with Usb-micro-usb Charger Cable, A-quality Lithium Battery & Instructions in More Languages. Each Piece in Box. Minimum Quantity: 50.