HEADPHONE PARAMETERS - Connection type: wired - Headphone jack: USB 7.1 Surround Sound - Supply voltage: +5V +/- 0.5V - Rated power: <30mW - Dynamic horn diameter: Φ50mm MICROPHONE PARAMETERS - Product impedance: 24 ± 15% Ω - Drive unit: NdFeB - Sensitivity: 116dB/±3dB - Microphone pointing: hose-type barley - Volume adjustment: roller adjustment OTHER CHARACTERISTICS - Product net weight: 280g - Product size: 211.5×167.5×99.7mm