Product description    Wear Type: Head Band Type Speaker unit Units: * Type: Sealed * Driver Size: 3 cm * Unit rotation (left and right): Wear ear properly and the unit is rotated Cable: * Length: 1.2 m * Symmetry (Y type) Plug: * Type: Straight * Diameter: 3.5 mm Convenience features: * Adjustable band Basic specifications: * Maximum Input: 100 mW * Sensitivity: 102 dB / mW * Resistance: 32 Ω * Playback frequency range: 12 ~ 23，000 Hz Weight: 38 g (without cord)