WESC 0006994999 Maraca Retro Style Headphones, Black Type: 40 mm power drivers 1kHz sensitivity: 108 dB Impedance: 32 Ohms Frequency range: 20-20 001Hz Plug: Gold-plated 3,5 mm stereo Cord: 0,5 m + 1,0 m extension, PVC cord. Connectivity Technology: Wired