UPC :653437384238 [USB Wall Charger-Upgraded 2.0] With the new intelligent IC technology, the charging efficiency is improved by 15% compared with other chargers, and the performance is more stable and the temperature is lower. Input: AC 100-240V, Output: DC 5V/2.1Amp. [More Safer Wall Charger] The USB Wall Charger PC shell uses high grade fireproof material.Built-in safety switch, usb charger with a variety of protection functions to provide short circuit, over-heating, over-current, over-voltage, over-charge protection. [Excellent Concise Design] Concise white shell, Perfect with your cell phones and other smart devices.Frame inlaid with premium silver aluminum ring, make it more fashionable! The wall charger is compact, portable and easy to store.It is your ideal travel companion! [Perfect Dual USB Ports] Dual USB port design allows you to charge 2 different devices at the same time (If using simultaneously dual USB ports to share 2.1 amps). Intelligent IC technology, matching the best current output to your device , super convenient! [What You Get] 4-Pack USB Wall Charger. 12 months worry-free warranty, Friendly customer service.