Dual 3.5mm Audio + one Lightning : iPhone 7/8/X headphone adapter features two 3.5mm audio ports and one Lightning port. It can charge your phone while listening to music ,the audio ports allow you to use 2 headphone at the same time . Multifunction: 3 in 1 lightning to 3.5mm headphone jack adapter lets you can charge and listen at the same time, so you don\'t worry about your iphone or ipad run out of power while enjoying music or movies. ( Note: No phone call control ) High Compatibility : Compatible with iPhone X, iPhone 8, iPhone 8 Plus, iPhone 7, iPhone 7 Plus, iPhone 6, iPhone 6 Plus and iOS 10.3 & iOS 11 or later. Excellent Sound Quality and Fast Charge: Supports up to 48 kHZ and 24-bit audio output, keeping the original sound quality without any compromise. Convenience: Just Plug And Play! No extra software, you just need to plug and enjoy much clear and fidelity sound quality.