Specifications: Driver unit: 13.3mm planar diaphragm driver Frequency response: 10Hz--40Khz Rated impedance: 28(±15%) Distortion: <0.5%@1khz dB: 102 ± 3dB Plug: 3.5/4.4mm Wire: 120 ± 10cm high-purity OFC + silver-plated wire core Accessories: Leather bag*1 Silicone ear tips*6 pairs Tuning damping mesh *4 Instruction manual*1 Hook clasp*1