Refined intra-auricular design with an aluminium finish for a resistant and elegant headset. Dual Driver technology: High definition sound produced by high-performance dual neodymium drivers. Hi-Fi sound Guaranteed. Enjoy comfort and audio quality. Driver Unit: 10mm Impedance: 16 ohm Max Power: 19mW Sensitivity: 106 dB Frequency Range: 13Hz - 22,5kHz Wired: Twisted Cable 1,2m/Jack 3.5mm Bluetooth v4.2 What's in the box 1 x headset