You can use this 2-in-1 Lightning Adapter to charge and enjoy the music at the same time. Built-in decoding chip enables fast reading of mobile phone audio data through stable and rapid transmission. Transmit in high code rate with less noise and better fidelity of sound. Headphone & Charge & Phone call & volume control: It Can Connect The Lightning Headset And Charge Or Data Transmission at the same time. Compatibility: iPhone 8/ X iPhone 7/ 7 Plus iPhone 5, iPhone SE, iPhone 6/6s, iPad mini 2/4, iPad air, iPad air 2, iPad, iPad pro, etc. Features: - Highly portable. - Supports audio output. - Supports headset calls. - Supports charging function. - Supports sync data. What's in the box 1 x 2-in-1 Lightning Audio Charger Adapter for iPhone 7 (Converter to 3.5 mm)