WESC 0007191001 Piston Street Headphones with Mic, White Type: 40mm power drivers 1kHz sensitivity: 120 dB Impedance: 32 Ohms Frequency range: 20-20 000 Hz Plug: gold-plated 3,5mm stereo Fabric Cord: 1,10m Hands free with mic Weight: 147g Foldable design