Specifications: 1) Wind for 1 minute and use flashlight for up to 30 minutes 2) Recharge over and over simply by winding the handle 3) Super bright LED lights that last for years 4) Ergonomic rubber grip handle 5) Winding dynamo for 2-3 minutes with mobile phone connected will charge phone for up to 8 minutes 6) Compatible with: Motorola, Ericsson, Nokia, Samsung, and Siemens