Accessory USA 5V AC Adapter Power Supply Charger-Wall Charger/Car Charger (2a, 4.0mm1.7mm) Products trademarked Accessory USA are marketed and sold exclusively by Accessory USA. Fast shipping from CA. High quality Travel/Wall/US Charger. Input: 100-240vAC 50-60Hz 1 Year Warranty.If you are not satisfied with the products,contact us,and we can exchange or refund.