Product information:

Plug Diameter: USB
Microphone: wear with microphone
Method: head-mounted ear protection
Whether wireless: no
Headphone plug type: usb+3.5MM
Whether wire control: yes
Smart Type: Not Supported
Impedance: 55Ω
Sensitivity: 112dB/mW
Frequency Response Range: 20-20000Hz
Cable length: 2m earphone sound
Principle: Left and right cavity of dynamic earphone
Connection method: wired connection

Packing list:

Headphone*1