Mpow 331 USB Computer Headphones, Environmental Noise Cancellation Computer Headset with Microphone, 3.5mm Wired Business Headphone for PC/Phone/Skype/Webinar/Call Center

Description: Crystal Clear Sound Built-in high-quality sound card and precise inner structure deliver HD and crispy sound, no current-noise, just immerse yourself in listening and talking. Environmental Noise Cancelling There is an ENC button on the USB inline control. You can slide it on or off as you like. ENC function can effectively reduce 35dB noise nearby, allowing you to deliver clearer sounds to your interlocutor, just enjoy high efficient talking. Dual Inline Controls USB Inline Control: Mute on/off, Volume up, Volume down, Mic on/off, ENC on/off3. 5mm Inline Control: Mic on/off, Slide min. to max. volume Dual Connecting Plugs USB Plug: Fit for computer, laptop, PC, Smart TV, and other USB-enabled devices3. 5mm Audio Plug: Compatible with phones, tablets, X-BOX1, PS4 and so on (iPhone 7 above needs an extra lightning to 3. 5mm jack adapter)User-friendly Design Extendable Headband: Allow you to adjust length of headband according to your own head size. 90° Rotatable Ear cups: Conveniently put the headset in your drawers without occupying too much space. Detachable & Flexible Mic Rod: You can detach the mic rod from headphones for easier storage. Flexible mic rod can be freely bent, extremely durable to use. Specification: Drivers: 40mmSensitivity Range: -422dB Impedance: Max. 2. 2K? 1KHz (RL=2. 2K?)Frequency: 50-12000HzCurrent Consumption: Max. 500µA RL=2. 2K? Vs=2. 0V (DC)Operation Voltage Range: 1. 0V-10V (DC)Sensitivity Reduction: 2. 0V-1. 5V Sensitivity Variation less than 3dBWarm Tips: 1. Only USB inline control has ENC function. 2. Recommend to take off the headphones every 1-2hrs to relax your ears. Worry-free Offer 45 days refund and 18-month replacement risk-free . Package Included: 1 x Mpow Wired Headset1 x USB Connecting Cable1 x 3. 5mm Audio Co