Single Side Listen Only Two Way Radio Earphone TC-618
Main Features: 1. Unitary functions: can be used separately or together with PTT microphone. 2. With coiled PU cable for retractable use. 3. Communication privacy, avoids bothering anyone. 4. High-quality dynamic earphone gives handheld crystal clear audio. Technical Specifications: 1. Speaker diameter: 23mm. 2. Impedance: 32 Ohm. 3. Frenquency response: 20-20KHZ. 4. Sensitivity: 91 db. If you are interested in our products, welcome to contact us and we will reply you within 24 hours.For more information, welcome to our homepage: http://www.hystwowayradio.com/