Lightning to 2 in 1 Splitter Adapter for iPhone 7/7 Plus iPhone 8/8/X Plus, Dual Lightning Headphone Audio and Charger Adapter Splitter (Compatible with iOS 10.3, iOS 11 or Later) Wide compatibility: More other apple lightning devices supported. It is also compatible with the Lightning to 3.5mm Headphone Jack Adapter to work with your other headphones (Note: It does not support double headphones / double lightning cables plugged simultaneously) Superior Charging speed and Sound quality: Using latest decoding chip to ensure fast charging and long lasting. 100% Copper wire core which supports up to 48k HZ and 24-bit audio output offers Nondestructive digital sound quality and ensure the stability of the transmission. Unique and functional: Just plug your existing iPhone 7/ iPhone 7 Plus earphones into the lightning port.(Does support Calling function and Music control, Support iOS 10.3 and iOS 11). Premium metal shell: Aluminum alloy oxidation shell is more wear-resisting and corrosion resistance, enhancing the anti-interference ability. Dual Function Lightning Audio + Charge port, let you enjoy the fun of listening to music while charging.