Red Green Power Button On Off for Bose QuietComfort QC35 Replacement Features: 1. This is a replacement part for Bose QC35. 2. It can replace the on/off button in your headphones. 3. This button can solve the common problem of headphone power button damage. 4. We recommend professional installation. If you choose to replace it yourself, please note that we cannot provide repair tools or instructional videos. Specification: Color: Black/White Compatible Models: for Bose QC35 Package Includes: 1 x On/Off Button Note: 1. Please allow 1-3 mm error due to manual measurement. 2. Please allow 1-3g weight error. 3. Due to lighting and monitor differences, the actual color may vary slightly from the images.