PCDJ UDJ-1 USB Headphones with PCDJ Blue VRM Software (PCDJ UDJ1 w/ BLUE VRM) From the first name in Digital DJ technology, this perfect mix of PCDJ’s elite software and professional USB DJ headphones are all you need to DJ from your own computer NOW. Just install the software and plug in the UDJ-1 headphones to your USB port – you’ll be ready to kick out professional style DJ mixes in a matter of minutes! The UDJ-1 kit eliminates the need to use an expensive soundcard by incorporating this technology directly into the headphones. With the power of the included PCDJ software you can ripp, play, mix, and now cue (pre-listen to tracks) with one compact solution – the PCDJ UDJ-1. Features / Specifications: UDJ-1 HEADPHONES: Driver Unit: 50mm Speaker Impedance: 64ohm±15% Speaker Sensitivity: 110dB±3dB Speaker Frequency Response: 20-20,000Hz Maximum Power Input: 80mw Cord Length: 2.2 meters PCDJ BLUE VRM: DJ Mixer: Mix and remix digital audio files stored on your PC (MP3, WMA, WAV) Cross Fader: Cross fade Type: DJ and Lighting