[2 in 1 headphone and charger adapter]: High-quality lightning adapter can meet the strict iPhone requirements. It supports charging and audio, and can be charged while listening to music. It contains a decoder chip, so you don't need to worry about system upgrades. And make sure you can use the lightning charger and 3.5 mm earphones at any time. [Compatibility]: Designed for iPhone users. Plug and play, no need to install additional software. Compatible with iPhone X/Xs/Xs Max/XR, iPhone 11/11 Pro/11 Pro MAX, iPhone 8/8Plus, iPhone 7/7 Plus iPod/iPad. Support all iOS systems. [Excellent performance and high sound quality]: The 3.5mm headphone jack uses the latest decoder chip to ensure fast charging (up to 2.1A power input) and a long service life. Supports up to 48k HZ and 24-bit audio output, providing lossless digital sound quality and ensuring transmission stability. Support simultaneous charging and listening to music and music control functions.(Note: This product does not support the call function) [High quality materials]: 100% copper core wire provides you with high-speed and stable signal transmission. High-quality aluminum alloy oxide shell has higher wear resistance and corrosion resistance, enhanced anti-interference ability, high-quality materials and high-quality surface treatment, can perfectly match all 3.5mm headphones, high-fidelity music for you Brand new experience. [Commitment and Guarantee]: 12 month warranty and 180 day money back guarantee. If you have any questions about this 3.5mm headphone jack adapter, please feel free to contact us, get a quick answer.