IMPORTANT NOTE: First step plug your headphones to this product, then connect with iPhone. Reversed steps will not make product work correctly. Please refer to User Guide for details High Quality & Compatible: The sound quality is genuine and natural without distortion. Perfect Design for iPhone 7/7 Plus, and any Lightning device that runs iOS 10 or later, Support the New iOS 10.3 system Headphone & Charge or Sync: It can connect to the Lightning headset and charge or Syncing data at the same time. Note cannot support connect Double data sync/Double Lightning headphone Perfect with All Headphones: Supports microphone and remote on Apple Lightning Headphone. Up to 48 kHz and 24-bit audio output, keep your original headphone sound quality. Also supports Lightning to 3.5 mm Headphone Jack Adapter 2 in 1 Dual Lightning splitter enables you use headphones and charging concurrently on the iPhone 7 and iPhone 7 Plus. Up to 2.1A power input, your charging speed is as it should be. Compatible with Lightning Audio headphones and the Apple Lightning to 3.5mm Headphone Jack Adapter. Sleek and compact design, fashionable appearance, convenient and comfortable feel, premium quality, let you enjoy different life experience. Very convenient as its lightweight and small, easy to carry around and perfect solution for all apple iPhone users. >Notice: 1. Please connect the headphones in the following steps, otherwise the headphones will not be able to output audio. Connect the headphones to the 2 in 1 Lightning Adapter. Connect the 2 in 1 Lightning Adapter to your iPhone. 2. The Lightning two ports are the same function, but do not support the simultaneous insert of two headphones, do not support the simultaneous insert two charging lines, do not support the simultaneous connect of two computers. Connect two headphones or two charging line at the same time,can only identify one. Specifications: Color: White Item Weight: 7g Product Features Synchronous Connection to PC for Data Transfer You can still enjoy music with headset with a Lightning port while transmitting data. Listen, Talk and Remote Works with Apple Lightning EarPods perfectly, supports microphone and remote. Compatible Phone Models iPhone 7/7 plus or any Lightning device that runs iOS 10 or later. Sync over iTunes Smart Chipset Control Technology, exclusively compatible with iTunes.