The Pocket Socket 2 is a hand-cranked generator that provides electrical power on the go! It is perfect for anyone who needs to charge a portable electronic device immediately, but does not have access to a wall outlet. From the business traveler to outdoor enthusiast, commuting student to emergency personnel, the Pocket Socket is a great eco-friendly source for emergency backup power. Fully functional anytime, anywhere, it lets you charge a wide variety of electronic devices, including, but not limited to, your cell phone, mp3 player, camera, GPS, or tablet. Size: 2.5 x 2.25 x 6.875 inches. - Weight: 14oz.  - Power Output: 10W 120V DC @2Hz