Bose QuietComfort Earbuds II Noise-Cancelling True Wireless In-Ear Headphones - Black (Unboxed Deal) JBL GO 4 user-friendly dials on the top

user-friendly dials on the top panel or through the JBL One app

stair-stepper and more

5 mm CableUser ManualUSB-C Charging CableCanvas carrying bag

1x Audio In & Out (3

Bose QuietComfort Earbuds II Noise-Cancelling True Wireless In-Ear Headphones - Black (Unboxed Deal) JBL GO 4 user-friendly dials on the topSound shaped to you. Bose QuietComfort Earbuds II are the next generation of wireless listening. Enjoy the best in sound and noise cancellation that is perfectly yours. Everything tailored You always get the best sound quality because CustomTune technology auto adjusts it to your ears liking. How it works: 1. Your buds send out a chime to learn your ear canals unique shape 2. The chime bounces back and gets picked up by the built in microphones 3.