KoniyChoi KT 2100MV

Type: Headphones (Headband),
General Use: Computer,
Function: With Microphone,
Noise-Cancelling, Volume Control,
Communication:Wired,
Connectors: 3.5mm,
Material: Plastic,
Dimensions (cm): 20*18*8, Weight (kg):0.19,
Speaker Sensitivity: 102dB+/-3dB,
Speaker Impendance: 32, Speaker Frequency Response:20~20000Hz,
Cable Length: 250cm,
Microphone Impedance: 32,
Microphone Frequency Response: 20~20000Hz