Alcoco Headphone Splitter Adapter Jack Adaptor 1 Support audio + charging + control pause playback + iOS 10.3 / 11.5 or higher: support audio output. Perfect this adapter allows you to connect your device with an audio plug to a lightning device, a perfect solution for music while you're charging. Excellent Performance - Charger Adapter for 2A Charging Speed Increase By 1.5 Times And 31%, Improve Output Efficiency And Save Charging Time. EXCELLENT COMPATIBILITY:For iPhone, iPad and iPod touch which have a lightning jack,SUPPORT UPGRADE IOS 11 Upgraded chip-set, making the adapter compatible with device that runs iOS 11.4 or later. After Service - We sell only high quality products But if for whatever reason this item does not meet your requirements, please don't hesitate to contact us. We provide a 4-Month Worry-free warranty