Logitech G635 7.1 LIGHTSYNC Gaming Headset – Pro-G 50mm Low Distortion Drives – Powered by LIGHTSYNC RGB – DTS Headphones:X 2.0 Surround Sound – Dedicated Media Buttons – Large-Diameter Circumaural Ear Pads – Headphone Specs: Frequency Response: 20 Hz ~ 20 KHz, Impedance: 39 Ohms / 5 k Ohms, Sensitivity: 93 dB SPL/mW – Microphone Specs: Boom, Cardioid (Unidirectional), 6mm Size, Frequency Response: 100Hz ~ 10 KHz – USB / 3.5mm Connection – Net Weight: 344g – 981-000826 – 2 Years Limited Warranty