Optimalbo&reg;JN204-7 12000mAh Power Bank Portable External Battery Charger, Qi Wireless Charger Kit [Dual 2.1A USB Ports] for Samsung Galaxy , iPhones with iQ Mobile, and Other Qi-Enabled Phones (Blue) Power Source: Any charger 500-12000mA with USB port with Micro USB cable, or even plug it directly into computer or TV. Plug and Play Qi Standard. Easy to use - simply drop phone to start charging. Anti-slip grip to protect the devices from scratches. Universal compatibility for all QI enabled wireless charging devices or devices with QI receiver. Wireless Charging: Starts the moment you place down any Qi-enabled device or device equipped with a Qi-compatible cover. No cables or USB interface required. Input: 5V/2A; Output: 5V/2.1A. Logistics time:7 work days