Amp.i.Am
iPhone lightning port headphone jack amp for better sound
6 Alternatives To Amp.i.Am
AirBuddy
Bring the same AirPods experience from iOS to Mac
AirFly
AirFly is a wireless headphone adapter that lets you use your favorite wireless headphones or earbuds in places that only have a headphone jack - like airplanes and treadmills. Plug this tiny transmitter into a headphone jack to listen to in-flight movies or the TVs at the gym.
Apple Plug
Upgrade to iPhone 7 with Apple Plug.
BlackPods
Get your Airpods painted black!
Jack
Slick delayed messaging service
Kucable
Listen to music and charge your iPhone 7