Cup Car Charger Holder With 2 USB Port and 2 Cigarette Lighter Hub/Socket Dual Outlets 12 Volt Adapter For iPhone Samsung Galaxy Note Tablets and more Smartphones (Blue) Cigarette Lighter socket adapter car charger cup holder,perfect cup design,suitable for car cup holder position,enough for personal fridge & simultaneous use of a variety of portable appliances in your vehicle. LED DISPLAY - Digital LED displays device's charging current and the voltage of the vehicle's car battery. 2 cigarette lighter socket/hub with 3.1A total output enables you to rapidly charge tablet and phone simultaneously at their full speed. Multiple circuit protections - over-current, short-circuit and over-temperature protect you device. Charging will stop automatically when battery is full. Certified by RoHS, CE & FCC, high-quality fire proof material. No radio loss in your car or effect to Bluetooth or Wi-Fi devices. 30 days money back and 1 year warranty.