[Compatible] USB 2.0 charger, 30-pin iPod connector for Data Synch and charging, 100% compatible with iPhone 4/4S, iPhone 3G/3GS, iPad 1/2/3, iPod, iPod Nanos and so on | [2 in 1 function] Pure copper wire core and PVC material, to ensure high data effective transmission, the maximum support 2.1A current output, to ensure data the charge of the rapid transmission | [Compact] heat-resistant stainless steel connector heads slot in easily but securely and fit most cases, durable cable completely meet your needs, light-weight and not easily coiled | [Reliability] Antioxidant metal plug, durable can plug pull out more than 3000 times, high charging efficiency, ultra data transmission, reduction, small power loss, improve the conversion rate of charging | [Our service] 30 days worry-free money back with One Year limited warranty. If you have any questions, please feel free to contact us directly