Verbatim Multimedia Headset ANC & Noise Cancelling Boom Mic -Graphite Verbatim Active Noise Cancelling Headset with noise cancelling mic offers clear, crisp communication, even with background noise. The active noise-cancelling headset reduces the amount of ambient noise you hear while the noise cancelling mic reduces background noise making it ideal for work, school and travel. Compatible with computers, mobile phones, tablets and audio devices and connects with a convenient single 3.5mm audio jack. This product comes with up to 8hrs of battery life and includes a microUSB charging cable. FEATURES & BENEFITS Compatible with computers, mobile phones, tablets & audio devices. The Active Noise Cancelling Headset reduces the amount of ambient noise you hear while the noise cancelling Mic reduces noise and is ideal for open areas and great for work, school and travel. Gooseneck boom microphone for flexible positioning. Over-ear, ultra-soft cushioned earpads for comport. The swivel feature allows for one-ear cueing and a flush fit. Convenient single 3.5mm audio jack connector. Up to 8hrs of battery life. MicroUSB charging cable included. Adjustable headband provides a comfortable and ergonomic fit. Excellent bass & treble reproduction & wide frequency stereo output for gaming. Colour Graphite Driver Diameter 40mm Frequency Response 20Hz-20K Hz Headset Impedance 32 ohm ± 15% Rated Power 2 mW (0.25V.R.M.S) Max Input 5 mW Headset Sensitivity (ANC On) 98dB ± 4dB (@1KHz) Headset Sensitivity (ANC Off) 96dB ± 4dB (@1KHz) Noise Reduction 18B ± 3dB Plug 3.5mm Single Audio Jack Cable Length 1.2m ± 5cm Microphone Noise Cancelling Mic Microphone Impedance 2.2K ohm Microphone Sensitivity .-38 +/- 4 dB at 1 KHz Battery Capacity 300mAh Charge Time Approx. 2.5hrs Charging Cable Length 95cm ± 5cm Charging Cable Type USB-A to microUSB Warranty One Year Warranty