Case Logic HeadPhone Stereo MP3 With 40mm Speaker & 1.2m Cord

High Quality Sound

Noise Canceling

Inline Volume Control

Rotating Boom Mic

Cord: 1.2m

Plug: 3.5mm

Speaker size: 40mm

Speaker impedance: 32Ω±15%

Sensitivity: 105dB±3dB

Frequency Response: 20-20000Hz

Rated capability: 100Mw

Microphone sensitivity: 58±2dB