?Service and Warranty?: You can get 2 adapters and we provide a 12-month worry-free service. If you have any questions about this lightning to headphone jack adapter, Welcome to Contact us, We will response within 12 hours. ?High Quality?: 100% copper wire core provides you with high-speed and stable signal transmission. High quality Aluminum alloy oxidation shell is more wear-resisting and corrosion resistance, Perfect match all 3.5mm earphone, High fidelity on the music,bring you new experiences. ?Efficient Transmission?: The lightning to 3.5 mm headphone adapter is built with upgraded Apple MFi Certified DAC Chip to read data fast and ensure the stability and fidelity of sound transmission, giving you a fantastic music trip and experience when using this aux cord. ?Superior Charging Speed?: Using latest decoding chip to ensure fast charging (up to 2.1A power input) and long lasting. ?Multi Function?: The 2 in 1 Lightning to 3.5mm Headphone Audio & Charging adapter cable supports listen to music and charge your phone at the same time. Support Calling Function, Charging, Headset Control, Data Transfer, Microphone and Remote.