Red Green Power Button On Off For Bose QuietComfort QC 35 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 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: Black/White Applicable models: for Bose QC35 Package Includes: 1*On/Off button Note: 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!