... /UK color: white/black indicator:bright blue led light CE For iphone 4 usb port charger Input: AC 100-240V ±10%, 50/60Hz ... : 5V 2100mAOutput voltage precision: 5% Ripple & Noises: 10% Max output power: 10W Operating temperature: 0 - 40 degree, humidity: 10%-90% Storage ... , high working efficiency. 3. Low working temperature, long use life. 4. Wide input voltage, coincident with all country's standard. 5 ...