GENUINE and ORIGINAL Packing same as Pictures. Provide Tracking Number Wear Type: Head Band Type Speaker unit Units: * Type: Sealed * Driver Size: 5 cm Cable: * One cable * Length: 1.2 m Plug: * Diameter: 3.5 mm Convenience features: * Band Adjustable Standard: * Sensitivity: 115 dB / mW * Resistance: 32 Ω * Frequency range: 20 ~ 20,000 Hz