Specifications for SteelSeries 7H USB:

Headphones

- Frequency response: 18 - 28.000 Hz

- Impedance: 32 Ohm

- SPL@ 1kHz, 1 Vrms: 112 dB

- Cable length: 1,0 + 2,0 = 3,0 m (9,8 ft.)

- Jacks: 3,5 mm

Microphone

- Frequency response: 50 - 16.000 Hz

- Pick up pattern: Uni-directional

- Sensitivity: -38 dB

Soundcard

- USB: 2.0

- Surround sound: Virtual 7.1

- Equalizer: 12 channels

- Jack: 2 x 3,5 mm (USB cable included)

- Operating systems: Win XP/Vista/Win 2000/Win 98/Win ME