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

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