3-in-1 Combo ChargerThis 3 in 1 device allows you to charge your mobile electronics in multiple ways (outlet, socket charger in your car, or USB cable). Provides up to 4 hours of emergency power Works with most devices that charge using a USB port Built in battery recharges from any wall outlet or vehicle lighter socket accessory outlet Fits easily in a pocket or purse, thanks to the folding plugs that completely retract Helps protect against voltage, current, and