Noise Cancelling USB Headset Mute Function Call Center Headphone With Microphone For Computer

describe: 1. Equipped with a rotating small microphone, the position of the small microphone can be adjusted freely. Adjustable headband, light weight, 2. The ear cushions are soft and comfortable to wear. With noise reduction function, provide clear communication effect. high quality. 3. Headphones bring clear sound quality. Equipped with a rotating small microphone, the position of the small microphone can be adjusted freely. 4. Adjustable headband, light weight, soft ear cushions, comfortable to wear. 5. With noise reduction function, provide clear communication effect. 6. High-quality headphones bring clear sound quality. 7.3. 5 mm wired stereo headset noise-canceling headset with microphone adjustable range, suitable for desktop and laptop computers. 3.5mm Stereo. Specification: Speaker diameter: 27mm. Impedance: 32 ohm. Sensitivity: 100dB. Frequency response: 20hz-20khz. Maximum input power: 100mw. Color: black. Cable length: about 145 cm 57 inches. Weight: 85g. Describe: Equippe