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

Sensor model: Optical (Pixart P3327) Interface: USB DPI: 1000 / 1500 / 2500 / 3000 / 5500 / 6200 Cable length (m): 1,8 Number of buttons: 6 programmable buttons Color: Black Stroke height: 0.7 mm Actuation force: 70±-5g Button lifetime: 20 million clicks More information:  RGB backlight Max acceleration: 30 g ...

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

Keyboard Layout: QWERTY Multimedia Keys: Yes (with Fn button) Numeric Keys: Yes Number of Keys: 104 Mouse - Keyboard Interface: USB Mouse - keyboard Cable Length: 1.5 m Mouse - Keyboard Colour: Black Mouse sensor: Optical Mouse Resolution: 400 / 1600 DPI Mouse - Number of Buttons: 3

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

Sensor: Laser Interface: USB Resolution: 800 / 1600 DPI Cable length: 1,75 m Number of buttons: 3 Number of scroll: 1 Colour: Black

Sensor: Optical Interface: USB Resolution: 1000 DPI Cable length: 1,5 m Number of Buttons: 3 Numbers of scroll: 1 Colour: Black and Red

Interface: USB Resolution: 800 - 1200 - 1600 DPI Cable length: 1.8 m Number of buttons: 3 + DPI

Cable length (m): 1.2 Connector: Minijack (3.5mm) Call answer button: Yes Microphone: Yes Frequency response: 20Hz-20kHz Headphone performance: 103 ±3 dB Color: Black and Blue