Replacement Power Switch for Bose Quiet Comfort 35 QC25 QC35 QC45 AE23 Features: 1. This is a universal replacement part for Bose QC25/35/45/AE2. 2. It can replace the power switch in your headphones. 4. We recommend that you replace it at a professional repair shop. If you want to replace it yourself, we are sorry that we cannot provide professional repair tools and instructional videos. Thank you for your purchase. Specification: Color: Silver Applicable models: for Bose QC25/35/45/AE2 Package includes: 1*Power switch Note: 1. Please allow 1-3mm error due to manual measurement. Please make sure you do not mind before ordering. 2. Please allow 1-3g error in weight. Please make sure you do not mind before ordering. 3. Due to the lighting in the pictures and differences in monitors, the pictures may not reflect the actual color of the real object. Please make sure you do not mind before ordering, thank you!_CA