Compatible with: USB charger for mobile phones and electronic devices. New Rechargeable battery, no memory, more than 500 times of a circle. Battery charger only, not included. Built with chip to protect your devices against short circuit, overload. White Colour Material: plastic Package Contents: 1 x Portable Power Bank 18650 External battery charger (Without Battery) 1 x Keychain Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.