Mouse / Keyboard Interface: USB  Headset Interface: Jack 3,5mm Mouse / Keyboard / Headset Cable length (m): 1.5 Mouse Optical Resolution: 1000 DPI Headset Frequency Range: 20Hz – 20KHz Color: Black / Red

Impedance: 32 Ohms ±10% Frequency response: 20 - 20000 Hz Sensitivity: 105 dB at 1 kHz Microphone sensitivity: 58 dB ± 2dB Connector: 3.5 mm Jack Cord length: 1.5m Net weight: 0.6 kg

Type: Headphones Volume control: Yes Frequency response: 20Hz-20 kHz Microphone: Yes (Omnidirectional) Cable length: 2,2 m +/- 10% Plug type: 2 x mini Jack (3,5 mm) Colour: Black and red

Headphone type: On-ear Number of channels: 7.1 Cable length: 2 m Connector: USB 2.0 Volume control: Yes Microphone: Yes Microphone sensitivity: -38±3dB Frequency response: 20Hz - 20kHz Headphone effectiveness: 117±3dB Impedance: 32Ω Color: Black Weight: 340 g

Headphone type: On-ear Cable length: 2 m Connector: 2x mini jack (3.5 mm), USB Volume control: Yes Microphone: Yes Microphone sensitivity: -42±3dB Frequency response: 20Hz - 20kHz Headphone effectiveness: 108±3dB Impedance: 32Ω Color: Black and Red Weight: 345g

Type: Headphones Volume control: Yes Frequency response: 20Hz-30 KHz Microphone: Yes (Omnidirectional) Cable length: 2m +/- 10% Plug type:  1x mini Jack (3,5 mm) Color: Black

Microphone Type: Unidirectional Sensitivity (headphone): 32 Ohms Sensitivity (headphone): 100 dB +/-3 dB Sensitivity (microphone): -58 dBV/µBar, -38 dBV/Pa +/- 4 dB Frequency response (Headset): 20 Hz - 20 KHz Frequency response (Microphone): 100 Hz - 16 KHz Weight: 0.074 kg Cable length: 2.35 m