USB Headset Noise Cancelling Adjustable Volume Headband Single Ear Wired Computer Headphone with

Feature: 1. FLEXIBLE ROTATION: Ergonomically designed headphone, the boom can be rotated 180 degrees, the microphone pole can be rotated 330 degrees, sturdy and durable. Make the voice output more stable and clearer calls. 2. ADJUSTABLE MICROPHONE: USB headset, microphone bar adjustable, can be freely bent inside and outside, accurate adjustment of the microphone position, accurate and comprehensive pick up your voice. 3. NOISE CANCELLING: Headset with noise canceling mic, ENC noise cancelling technology for voice environment optimized sample rate conversion, equalization, dynamic range control and sound signal processing to provide ultra clear calls. 4. EASY TO USE: Wired computer headset, support for one touch mute, volume level adjustment. Suitable for devices with USB interface, can be used for business, office, call center, customer service, telemarketing, etc. 5. COMFORTABLE HEADBAND: Wired headphone is equipped with a premium manganese steel headband, stretchable and adjustable, not scratching hands, reduce the pressure on the head, long time wearing no discomfort. Specification: Item Type: USB Headset Material: ABS Ambient Temperature: -10 degrees C~+40 degrees C Relative Humidity: 10percent ~90percent Atmospheric Pressure: 86~106Kpa Ambient Noise: less than 60dB(A) Sensitivity: -40+-3dB(0dB=1V Pa, at 1KHz) Impedance: 2.2K Ohm Distortion: less than 5percent Sensitivity: 100+-3dB . Package List: 1 x USB Headset1 x Manual