H600‑3.5MV Telephone Headset Monaural Volume Control 3.5mm Jack Business Headset with Mic for

Feature： 1. The volume can control by updown, the microphone can be mute onoff, and the plug can be quickly disconnected when in use, so you can leave your desk during a call, and the microphone arm can be rotated by 330 degrees . 2. You can hear music and dialogue completely clearly, from high to low and all tones in between, sounding full and natural, and reduce unwanted background noise, very suitable for noisy working environment. 3. The 3.5mm earphones are equipped with large soft leatherette ear cushions, making them extremely comfortable to wear, and adjustable headband to suit different head sizes. 4. High‑quality plastic headband and the thoughtful design makes this headset very sturdy, and the reinforcing cord can withstand harsh environments and prevent office chair wheels, sharp objects and daily use. 5. Anti‑shock technology eliminates sudden loud sounds or tones before they reach your ears, and keeps the sound level within a safe range and protects the user from sudden high volume. 6. The telephone headset, with a 3.5 mm jack, it can be connected to a PC, smartphone, tablet or any other personal device with a 3.5 mm headphone port. Specification： Item Type： H600‑3.5MV Telephone Headset Material： ABS Color： Black Type： Monaural Plug Diameter： 3.5mm0.13in Function： CallAdjustable VolumeMicrophone Mute Compatible： With a 3.5mm Jack, It Can Be Connected to a PC, Smart Phone, Tablet or Any Other Personal Device with a 3.5mm Headphone Port. Speaker Parameters： Sensitivity： 105+-3dB (At 178mV 1KHz) Voice Coil Impedance： 150+-15 Ohm (At 1KHz) Frequency Car Characteristics： 100Hz-10KHz Distortion： less than 5percent (At 178mV 1KHz) Microphone Parameters： Directivity： Single Point Sensitivity： -40+-2dB (2.0V, 2.2K Ohm , 1KHz) Distortion： less than 5percent (At 4.5V 2.2K Ohm 1KHz) Frequency Characteristics： 200Hz-6KHz Current Consumption： 100-500υA Package List： 1 x Telephone Headset1 x Manual