Features: This 3.5mm single-ear headphone combines sound channel into single earpiece, ideal for those who need to stay aware of their surroundings or have hearing in single ear. Featuring 3.5mm sound connector, reinforced cable, and integrated voice receiver with operational control, this headphone ensures durability and user convenience. Suitable for individual with hearing loss in single ear or those who prefer to keep single ear open, such as joggers, cyclists, and workers needing situational awareness. Listening to music from mobile devices, tablets, or any handheld gadget without compromising sound quality, suitable for jogging, driving, or safety-focused work environment. With cable length adjustable from 80cm to 160cm, this headphone is easy to carry and supports call handling, sound adjustment. Specifications: Component:Plastic Size:Approx.80-160cm/31.5x62.99inch Package Includes: 1Pc Single Side Earphone note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.