Bose QuietComfort Earbuds II - Wireless Noise-Cancelling In-Ear Headphones

All-In-One Summary

Proper Fit for Enhanced Sound Quality and Call Performance

If the earbud tips do not fit your ear canals properly or if the earbuds are not worn correctly, you may not enjoy the best sound qualities or call performance. To ensure optimal sound and call quality, try using earbud tips that fit snugly in your ears.