JoesGEcom is excited to introduce this power button that is compatible for Bose QuietComfort QC 35 headphones. This power button part will fits the QuietComfort 35 I and QuietComfort 35 II models of headphones. This part will be compatible for Bose QC35 headphones perfectly. We have spent the last few years designing this part and have sold thousands without issues. This part has been created in-house by our resin 3D printer and the design has been modified to improve the quality and lifespan of the power button. This button will fix the common issue of a broken power button on your headphones. This repair part will go right on your power button switch and be a great replacement for your original button. We personally use these buttons and guarantee their quality.