Experience wireless freedom with the Sony MDRRF4000K Radio Frequency Headphone. With its sleek design and advanced technology, these headphones provide high-quality sound without the hassle of tangled wires. Whether you're listening to music, watching movies, or playing games, these headphones deliver immersive audio that will enhance your entertainment experience.Featuring radio frequency technology, these headphones offer a reliable connection with a range of up to 150 feet, allowing you to move around freely while enjoying your favorite content. The adjustable headband and cushioned ear cups ensure a comfortable fit for extended wear, while the built-in rechargeable battery provides up to 20 hours of continuous playback.The Sony MDRRF4000K Radio Frequency Headphone also features noise-canceling technology, which blocks out external noise and provides clear, crisp audio. Whether you're in a noisy environment or simply want to focus on your music, these headphones will deliver exceptional sound quality.With its stylish design and impressive features, the Sony MDRRF4000K Radio Frequency Headphone is the perfect companion for music lovers, movie enthusiasts, and gamers. Whether you're at home, in the office, or on the go, these headphones will provide an immersive audio experience like no other.