Bose Service on X: "Be sure to update the software on your @Bose QuietComfort Earbuds II to get the most out of your new earbuds. This software update enhances our CustomTune technology
Bose QuietComfort 45 headphones | Bose Support
Updating the software or firmware of your product
Anyone else got this firmware? : r/bose
S1 Pro Firmware Update - Bose Portable PA Encyclopedia
Bose QuietComfort Earbuds II can now be used independently | Digital Trends
Bose Now Lets You Downgrade Firmware of QC 35 If You're Facing ANC Issues | Beebom
Bose now lets you customize the EQ of its QuietComfort 45 headphones - The Verge