Compact USB Car Charger with a split key ring for easy portability. Great gift for students, salespeople and employees who are always on the go. Charge your smart phone, tablets and other electronics that have a USB compatible charging cord. Hinged cover protects the USB port when not in use. Compatible with most standard Cigarette Lighter Ports. Charging cable NOT included. Input: 12-24 Volts. Output: 5 Volts / 1 Amp.