Följande info från:

https://www.speedlink.com/en/index.php/detail/486b11eb215b4fa387a668a493d4b117

Technical data

• 1 x 3.5mm jack plug
• Practical USB-A adapter with integrated sound card
• Storage bag
• Rotatable microphone boom
• Cable remote control with volume control and mute function
• Microphone for interference-free voice transmission
• Ear cup padding for high wearing comfort
• Driver unit: 40 mm
• SPL: 106dB +- 3dB at 1kHz
• Frequency response: 20Hz-20kHz
• Impedance: 32O
• Polar pattern: omnidirectional
• Cable length: 2 m (incl. USB adapter)
• Dimensions: 160 × 160 × 180 mm (W × H × D)
• Weight: 170 g (incl. cable and adapter)
• Nypris runt 20 EUR per headset