Product 1: Wireless, on-the-go design delivers the same critically acclaimed sonic performance as the original ATH-M50x professional studio headphones Product 1: Touch control provides convenient access to voice assist. Mica and button controls built into the ear cup allow for easy handling of calls, music playback and volume adjustment Product 1: Proprietary 45 mm large-aperture drivers deliver exceptional clarity throughout an extended frequency range with deep, accurate bass response Product 1: Over-ear design for excellent sound isolation in loud s. Up to 40 hours of continuous use on a full charge Product 2: Compatible with the operating systems Windows 10/8/7 and XP (32/64 bit) and Linux and mac OS Sierra Product 2: Bluetooth 4.0 adapter - downward compatible with Bluetooth 2.0 / 2.1 / 3.0 Product 2: The multi-talent enables the wireless connection to Bluetooth-enabled PCs, printers, Product 2: Enables wireless communication with Bluetooth-enabled computers, printers, phones, headsets, speakers, keyboards, controllers and more