Features:

• 1. Brand new and high quality replacement extension cable.
• 2. You can use it as a spare or replacement in case that your original cable is lost or damaged.
• 3. You can use it to connect any device with diameter 3.5mm to listen to music.
• 4. It has 2 types of ports， 2.5mm 4 pole male stereo plug and 3.5mm 3 pole male stereo plug.
• 5. It is light and small that is very convenient for you to use.
• 6.Gold-plated connectors ensure a solid and high quality connection between the connected devices.
• 7. 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.

Specifications:

• 1. Color: black 
• 2. Jack: 2.5 mm (M) to 3.5 mm (M)
• 3. Length: about 1.2m
• 4. Compatible with: for BOSE Quiet Comfort 3 QC3 

Package include

• 1 x  Replacement Extension Cable