Specifications: 1) frequency response: 20 - 22, 000hz 2) headphone A)impedance: 40 ohms B) sensitivity: 105db ¡à 2db/mw C) rated power: 30mw 3) microphone A) impedance: 1.5k ohms B) sensitivity: -58db ¡à 2db C) rated power: 0.5mw 4) plug: 3.5mm stereo 5) cable length: 1.5m Packaging information Sales packaging: color box/ blister+card, etc Transport packaging: (if color box) Pcs per carton: 60 pcs Size of cartone: 85*55*60cm Gross weight: 18¡à 0.2kg
