You can use it to connect any device with diameter 3.5mm to listen to music.
You can use it as a spare or replacement in case that your original cable is lost or damaged.
It has 2 types of ports, 2.5mm 4 pole male stereo plug and 3.5mm 3 pole male stereo plug.
It is light and small that is very convenient for you to use.
Gold-plated connectors ensure a solid and high quality connection between the connected devices.
It can extent your original cable for about 1.20m which makes you act more flexibly and freely in your room, car and other places and
spaces with your headphone.
1. Color: black
2. Jack: 2.5 mm (M) to 3.5 mm (M)
3. Length: about 1.2m
4. Compatible with: BOSE Quiet Comfort 3 QC3
1 x Replacement Extension Cable