1,WS50 headphones 2,headphone for computer,headphone for mp3 3,2 color 4,Factory price 5.Original quality WS50 headphonesheadphone for computer,mp3 Product Specifications:Type: Airtightness dynamic type Driver: phi 40mm Impedance: 47 ohm Output overpressure value: 99dB/mW Largest input: 500mW Playback frequency zone: 10~24,000Hz Mass: 165g Cord length: 1.2m Plug: gold-plating stereo mini-plug ...