1. Suitable for BOSE QC25/QC35/OE2/AE2/700/AKG/Y40/Y50BT/Y55/N60NC/K545/JBL E30/E55BT
2. Pull resistance, not easy to break, durable
3. 3.5mm male to 2.5mm male audio cable adapter flexible, detachable boom microphone, also enables rotary volume control and mute switch
4. Wire material: oxygen-free copper
5. Wire core material: bare copper wire
6. Wire length: 2 meters
7. Weight: about 42g