The HDJ-CUE1 headphones are ideal if you’re getting into DJing. Each model features a professional look and feel, rich sound, foldable design, and a high-quality finish – all for a modest price. Want more freedom from your DJ headphones? With The HDJ-CUE1 Bluetooth models you can monitor your music wirelessly. Pair them with your device and you can adjust the volume and take phone calls, all with the touch of a button on the earcup. The built-in microphone picks up the sound of your voice. When you want to start DJing, all you need to do is connect the included cable to disable Bluetooth, the microphone, and all the buttons so you can concentrate on your mix. Main Features Type  Closed, dynamic Driver Units  40 mm dome type Cord  1.2 m short coiled cable (1.8 m extended length) What's in the box  1.2 m coiled cable (extended length 1.8 m) USB charging cable Precautions for use Instruction Manual (Quick Start Guide) Specifications Frequency Range  5 - 30000 Hz Weight (without cord)  250 g Maximum Input Power  2000 mW Sensitivity  104 dB Impedance  32 O