Bose QuietComfort 2 Owner's guide - Page 7

English Battery life and replacement Although it varies by usage, battery life averages 40 hours. The battery light indicator starts flashing when there are approximately 5 hours of battery life remaining. When a replacement is needed, use a AAA alkaline battery (IEC LR03). Note: Remaining battery life may vary when using rechargeable batteries. NiMH batteries, composed of nickel metal hydride, are recommended. Reattaching the earcup cushions If a cushion becomes partially or completely detached: 1. Push its mounting rim back into the earcup . 2. Press around the edge of the mounting rim, making sure it snaps into place all the way around the earcup. Replacement parts and accessories You can purchase accessories from your Bose dealer, on the internet, or by placing an order over the phone. See the inside back cover for contact information. 5