Features: 1. For Marshall headset connection cable, the second generation of Bluetooth headset with plus or minus key adapter cable, headset upgrade cable. 2. Support: for Marshall Monitor, the second generation, Marshall Bluetooth and other 3.5MM interface interchangeable headphones. 3. with plus and minus keys, support calls, music pause, up and down the song, convenient and practical. 4. unstretched length of about 1.3 meters, straightened length of about 1.8 meters. Specification: Color: Black Style: standard version / microphone version Interface: 3.5MM Support: For Marshall Monitor, II, Marshall Bluetooth and other 3.5MM interface interchangeable headphones. Package Included: 1*Audio Cable Note: 1. Due to manual measurement, please allow 1-3mm error. 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 different lighting of photos and differences in monitors, the pictures may not reflect the actual color of the object. Please make sure you don't mind before ordering, thanks! Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!