Razer Kraken Tournament Edition THX 7.1 Surround Sound Gaming Headset: Aluminum Frame - Retractable Noise Cancelling Mic - USB DAC Included - For PC, PS4, Nintendo Switch Frequency response range: 12 Hz-28 kHz Impedance: 32 Ω @ 1 kHz Sensitivity (@1 kHz) : 109 dB Input power: 30 mW (maximum) Drive unit: 50 mm neodymium magnet Inner diameter of earmuffs: 56 mm /2.2 in Connection type: Simulated 3.5 mm Cable length: 1.3 m /4.27 ft Approximate weight: 322 g /0.71 lb Oval earmuffs: Cool gel is used in the full-cover design, which can be worn for a long time for comfort The microphone Frequency response range: 100 Hz-10 kHz Impedance: 32 Ω @ 1 kHz Signal to noise ratio: > 60 dB Sensitivity (@1 kHz) : -45 ± 3 dB Pick up mode: one-way ECM microphone drive-by-wire Analog volume control knob Microphone quick Mute switch USB control unit Control: volume up/down, low tone up/down, THX Spatial Audio sound on/off *, microphone mute, game/voice volume balance adjustment Cable length: 2m Use audio Use audio: devices with a 3.5 mm audio interface Use audio + microphone: A device with a 3.5mm audio and microphone combination interface Use the audio control unit: A PC with a USB port System requirements A PC with a USB port Windows ™ 10 / Windows ™ / Windows ™ 7 8 Internet connection for installing drivers At least 500 MB of available hard disk space * Available only through Razer Synapse 3