ltem description from the seller
1.With noise-canceling microphone
2.The sponge ear cups are soft, comfortable, and breathable
3. Ultra-lightweight design
Plug: USB
Magnetic speaker: steel magnet
Frequency response range: 20-20000 Hz
Impedance 32
Sensitivity: 110dB
Cable length: about 1.8m / 6ft
Speaker diameter: 30 mm
Earbud / earcup material: sponge
Cable material: PVC
With microphone
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