Description Adopting great quality material, which lets you use it for a very long time. Though it is simple in design, it's so practical when you use it. The excellent workmanship of our product will bring you a good experience. Easy and convenient to install and use, it is a very useful walkie talkies headset. Features - Color: Black. - Size: 89.00X2.50X0.70cm/34.98X0.98X0.28 inch. - Material: Plastic. - With this radio earpiece that includes a state-of-the-art, in-line microphone, it’s easier than ever to use your radio device for hands-free communication. - The air acoustic headset is compatible with most handheld walkie talkies with 2 pin K type headset connector. - The lightweight and comfortable design creates an active noise reduction environment. - Durable headsets provide comfortable wearing using experience and great noise reduction function in noise background. - microphones and speakers allow you to communicate clearly. Specification - Wire diameter: 35mm. - Plug: 2.5/3.5mm diameter. - Wire length: 1.2m. - Speaker diameter: 35mm. - Sensitivity: 105dB. - Frequency response range: 100-160Hz. - Distortion rate: -54%. - Impedance: 20Ω. With this radio earpiece that includes a state-of-the-art, in-line microphone, it’s easier than ever to use your radio device for hands-free communication. The air acoustic headset is compatible with most handheld walkie talkies with 2 pin K type headset connector. The lightweight and comfortable design creates an active noise reduction environment. Durable headsets provide comfortable wearing using experience and great noise reduction function in noise background. microphones and speakers allow you to communicate clearly.