New MSRP $100 Sony WHCH720N Bluetooth Wireless Noise-Canceling Headphones - Black Item Detail: Turn down the world's noise with the long-lasting noise cancellation performance. Featuring Dual Noise Sensor technology and an Integrated Processor V1, the WH-CH720N allows you to fully immerse yourself in music without any distractions. Ergonomically designed to be lightweight, comfortable, and with up to 35 hours of battery life