The construction of the Razer Kraken had a singular motivation - durability to withstand daily abuse on the go, whether they are tuning out your daily commute or providing the soundtrack while you hit the slopes. Their light-weight design makes these headphones comfortable for hours on end. The ear cups of the Razer Kraken are foldable, making the footprint of these full-sized headphones extremely compact for maximum mobility so you can take them along anywhere you go. The Razer Kraken is outfitted with large 40mm neodymium magnet drivers tuned for crystal clear music in the high-and mid-ranges and packing deep bass for powerful lows, making them versatile music and gaming headphones. Product Type: Headset - wired - USB Recommended Use: Computer Color: Black Headphones Form Factor: On-ear Connectivity Technology: Wired Sound Output Mode: Stereo Audio Specifications: Frequency Response 12 - 28000 Hz - Sensitivity 112 dB Impedance: 32 Ohm Max Input Power: 30 mW Noise Isolating: Noise isolating Manufacturer Warranty: 1 year warranty Product Type: Headset - USB Color: Black Recommended Use: Computer Headphones Form Factor: Supraaural Connectivity Technology: Wired Sound Output Mode: Stereo Noise Isolating: Yes Frequency Response: 12 - 28000 Hz Max Input Power: 30 mW Sensitivity: 112 dB Impedance: 32 Ohm Diaphragm: 2 in Magnet Material: Neodymium Sensitivity: -42 dB Frequency Response: 100 - 10000 Hz Signal-To-Noise Ratio: 60 dB Connector Type: USB ( 4 pin USB Type A ) Service & Support: Limited warranty - parts and labor - 1 year