Usage Tips:Replacement Position Power Switch For Bose Quiet Comfort 35 QC25 QC35 QC45 AE23Features:1.This is a universal replacement part for Bose QC25/35/45/AE2.2.It can replace the switch in your headphones.4.We recommend you to replace it in a professional repair shop, if you want to replace it by yourself, please forgive us for not being able to provide professional repair tools and instructional videos. Thank you for your purchase.Specification:Colour: SilverApplicable models: for Bose QC25/35/45/AE2Package Includes:1xSwitchNote:1. Please allow 1-3 mm error due to manual measurement. Please make sure you don't mind before ordering.2. Please allow 1-3g weight error. Please make sure you don't mind before ordering.3. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual colour of the real item. Please make sure you don't mind before ordering, thank you!