When paired with Bluetooth connectivity for mobile devices, dual wireless technology offers 2.4g wireless lossless sound for gaming. High density neodymium magnets in high-end hi-res speakers produce a wide frequency range of 10 to 40,000 kHz with amazing clarity and realism. Maximum durability and a reliable fit are provided by the luxurious lightweight steel and aluminum alloy construction. Sensitivity of headphones: 102 dB spl You can charge one of the two included swappable batteries in the base station and play for over 20 hours on the other. The Clear Cast microphone, widely regarded as the best gaming microphone, offers studio-caliber voice clarity and background noise cancellation; for a user manual, see the technical specification PDF attached below. Generally acknowledged as the greatest