4X(Compatible with: USB charger for mobile phones and elronic devices.< /> Rechargeable battery, no ry, more than 500 times of a circle. Battery charger only, not included.< />Built with chip to prot your devices against short circuit, oload.< />White Colour< />Material: plastic< />< />Package Conten:< />1 x Portable Bank 18650 External battery charger (Without Battery)< />1 x Keychain< />Note: Light ing 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.)