1.wireless charger more convenience for iphone 2.more effeciency 3.new technology for iphone 4s 4.best delivery time Specification: Receiver Battery:Input: DC 5V / 500mA-700mAAccessory:1.wireless transmitter*1pc Output: DC 5V / 500mA-700mA2.receiver battery case*1pcCharger Adapter:Input: AC 90-240V/50-60HZ3. charger adapter*1pc Output: DC 19V / 1A4. USB cable*1pc Wireless transmitter:Working ...