VT200D Double Ears Telephone Headset Operator Headset With Mic,Spec: PC Double Plug

1. Up and down retractable headband, adapt to a variety of head shape2. Using soft microphone cotton, can effectively reduce the background noise, talk more high definition and more comfortable.3. The hose has resistance to bending, you can adjust the hose to the position you think comfortable.4. Comfortable ear cushions, fine texture, removable and replaceable5. Durable and resistant to swing headset cable, pure copper impedance is low, the sound is not affected6. 5 kinds of plug design, compatible with a variety of devicesSpeaker parameters:1. Size: diameter 28mm2. Distortion: less than 0.1%3. Impedance: 150 ohms4. Sensitivity: 118DB+/-3DB5. Frequency response: 200-4000HZMicrophone parameters: 1. Microphone: omnidirectional2. Signal-to-noise ratio: greater than or equal to 52DB3. Distortion: less than 0.1%4. Impedance: 2200 ohms5. Sensitivity: -34DB6. Frequency response: 100-3000HZ