Take away the wires but keep the sound quality with the Bowers & Wilkins P7 Wireless Headphones, developed to unearth every note in your music. The over-ear memory foam cushions are optimized for airflow while still blocking outside noise, keeping your ears comfortable with no auditory sacrifice. On top of superior performance, P7 Wireless is built with portability in mind so that wherever you go, your headphones can travel with you. Headphone Features Battery life: 17 hours Microphone: Yes Controls: Integrated On-ear Audio Drivers: 40mm Charging port: Micro-USB Frequency Response: 10Hz - 20kHz Foldable / Adjustable Headband: Yes