Headphones
Drivers: 40mm with Neodymium
Frequency response: 20Hz–20kHz
Impedance: 32 Ohm
Sensitivity @ 1kHz: 112dB
Output power: 30mW
Connector: Gold plated USB
Cable length: 2m/6.56ft braided USB cable
Approximate weight: 340g (including 2.0m cable)

Microphone
Frequency response: 100Hz–12kHz
Sensitivity @ 1kHz: -40dB ± 4dB
Signal-to-noise ratio: 63dB
Pick-up pattern: Unidirectional

System Requirements
PC / Mac with USB port ;PlayStation 4 (when plugged into PS 4 only spectrum cycling lighting effects is available)
Windows® 8 / Windows® 7 / Windows Vista® / Mac OS X (10.7-10.9)
Internet connection (for driver installation)
At least 100MB of free hard disk space

Features
- Razer Kraken 7.1 Chroma surround sound gaming headset
- Advanced 7.1 virtual surround sound engine
- Enhanced digital microphone
- Designed for extended gaming comfort
- Chroma lighting with 16.8 million customizable color options
- Razer Synapse enabled
- Powerful drivers for highest-quality gaming audio
- Closed ear cup design for optimal sound isolation
- Foldable ear cups for maximum portability