HAMA NHS-P100 headphones

A comfortable neckband that keeps your hairstyle intact
Padded ear cushions for comfortable wear
The microphone with the flexible arm
Remote control for sound control
Cord only on one side for comfortable, tangle-free wear
Ultralight for excellent wearing comfort

Connection: 2 x 3.5mm jack
Frequency range (microphone): 50 Hz - 10 kHz
Impedance (microphone): 2200 Ω
Sensitivity (microphone): -42 dB +/-3 dB
Sensitivity (headphones): 95 dB +/- 3 dB