Car Charger, BaiJi Dual USB Portable Vehicle Car Charger with Safety Hammer 3.1 Amp Output Quick Charge for iPhone, iPad, Samsung Galaxy and any Apple and Android Smartphones and Tablets -Silver Intelligent Technology equipped on both two ports to identify each attached device and provide the highest recharging power that the devices can adapt to With 3.1 Amp charging capacity this car charger provides a great power source to charge 2 devices simultaneously Solid and Durable, made of Premium Aluminum and Stainless Steel. The top of the charger can be used as Life Hammer for smashing car glass in Emergency Smart Circuit Design protects against over-heating, over-currents, and over-charging and short circuit. Charging will be automatically cut off when fully powered Our Sincerity Promise: ready to respond within a 24 hour time frame. 30-Day Money Back Guarantee, 18 Month Replacement Warranty and Lifetime Support Guarantee