The blue Beats by Dr. Dre Studio Wireless Headphones feature Bluetooth wireless technology and are capable of a range of operation of up to 30 feet. The headphones are powered by Beats Acoustic Engine DSP to reproduce your audio. Beats' Adaptive Noise Cancelling technology can be used to help eliminate noise from your commute, whether you're listening to your music or not. On-ear cup controls allow you to answer calls, skip tracks, and adjust volume without reaching for your portable device.