Shopfuture - 6V 300mA Hand Crank Phone Charger for Travel, Emergency. Compact Hand Crank Generator, USB Charger for Apple & Android Phones FAST & POWERFUL: 30 seconds of cranking = 5 minutes of bright light, 2 minutes of charging = up to 6 minutes of talk time,up to 30 minutes of standby DURABLE & LIGHTWEIGHT: Very compact, light, and easy to carry, good survival kit when cell phone powered off, when camping, outdoors, earthquakes or in emergencies LED POWER INDICATOR: LED indicator lights up when power is being generated while your phone is being charged SAFE & HIGHLY COMPATIBLE: will NOT harm or damage your mobile phone and compatible with iPhones, Samsungs, HTC, Motorola, Blackberry, Toshiba, Nokia, Sony-Ericsson, LG, Panasonic branded phones and etc GREAT FOR EMERGENCIES