Bose QC15 15 Noise Cancelling, Headphones Missing

Tip: If the headphones will be stored for extended periods of time without use, removing the battery. Tilt the right earcup inward to access to the battery compartment; Open the battery door by gently pressing and lifting the tab toward the top of the earcup; Tip the headphones so the battery drops out; Insert the new battery (positive/+ side.. I use QC15 mainly on flights, the 40hrs battery life using regular battery is good enough for me. Sources/amp: Sony XA5400ES, Oppo BDP-93, Grace Design m903 m902, Calyx Coffee, Grado RA-1 Headphones: Grado GS-1000, German Masestro 435s, AKG K271 MKII, KRK KNS8400, Bose QC15, TDK WR700

Replacing the battery in your product | qc15 headphone custom. Learn how to replace the battery in your QuietComfort® 15 Acoustic Noise Cancelling headphones.