With the 3.5mm Audio + Charge, you can listen to audio through a 3.5mm headphone jack while simultaneously charging your iPhone or iPad via the Lightning connector. It supports pass-through charging up to 12W and delivers 48 kHz, 24-bit audio output for crystal clear sound. Compatible with devices running iOS 9 or later, it also supports remote control and microphone input from MFi-certified 3.5mm headphones.