Razer Hammerhead Pro V2Technical Specifications: i) Headphones: Drivers: 10 mm, with Neodymium magnets Frequency response: 20Hz – 20KHz Impedance: 32 Ω ± 15% Sensitivity @ 1KHz: 102 ± 3 dB at 1 kHz max Input power: 5 mW max Cable lenght: 1.3 m / 4.27 ft Connector: 3.5 mm, angled gold-plated Approximate weight: 19.6 g / 0.04 lbsii) Microphone Frequency response: 50 – 10,000 Hz Signal-to-noise ratio: ≥ 55 dB Sensitivity @ 1KHz: -45 ± 3 dB Pick-up pattern: Omnidirectionaliii) In-line Remote Volume control buttons: Volume Up / Down, Changing tracks Center control button: Play / Pause, Accept / End callProduct Features: i) HAMMERING IN THE BASS Thoroughly re-designed, the durable Razer Hammerhead Pro has gone from strength to strength, with an improved body design and flat-style cables to further complement the mobile gamer in you.ii) BIGGER DRIVERS. BIGGER SOUND. Experience superior acoustic clarity and improved bass performance through the upgraded extra-large 10 mm dynamic drivers, over 20% larger than the original Razer Hammerhead, featuring an optimized inner acoustics chamber.iii) TOUGH AND TANGLE-FREE The Razer Hammerhead Pro complements every style while retaining its signature durability factor. Designed with a high quality body to enable improved acoustics, the new flat-style cables also facilitate fuss-free mobility and easy storage while you’re on the move.iv) DESIGNED FOR SMARTPHONES The discreet in-line microphone on the Razer Hammerhead Pro has been further enhanced with a 3-button remote control. Whether you need to control the volume or answer a call, the 3 Quick Action Control buttons give you greater flexibility with your mobile devices.