Amazon.com: Belkin Lightning to 3.5mm Audio Cable + Audio Charger Splitter, 2 in 1 Aux Headphone Adapter and Charger Dongle, Compatible with iOS version 9 and later - White : Everything Else
Belkin Lightning Audio + Charge RockStar
Review: Belkin's new Lightning adapter lets you charge iPhone 7 and listen w/ headphones at the same time - 9to5Mac