WeSC Unisex Matte Conga Premium Headphones Synthetic Type: 40mm power drivers 1kHz sensitivity: 120 dB Impedance: 32 Ohms frequency range: 20-20 001 Hz Plug: gold-plated 3,5mm stereo Cord: 1,10m + 0,1m adaptor, PVC cord Hands free weight: 147g. Connectivity Technology: Wired