• Sony WH-RF400 are wireless home theater headphones offering a comfortable, over-ear design. • Provides a wireless range of up to 100 feet (30 meters) from the base station. • Features a 40mm driver unit for clear and detailed sound reproduction. • Offers up to 13 hours of battery life on a full charge for extended listening sessions. • Simple setup with easy connection to TVs, Blu-ray players, and other audio sources. • Designed for comfortable, long-term use with cushioned earcups and adjustable headband. • Operates on the 2.4 GHz RF band to minimize interference.