With up to a 100m range, the Sony MDRRF810RK wireless headphones with built in volume control offer the ultimate freedom to listen around the house. The 40mm neodymium driver offers Hi-Fi quality digital sound, with clear, deep bass. Easy to set up, these Sony headphones have automatic tuning and an on/off switch, plus they come with all the cables you need to plug into your TV and enjoy movies or programmes with great-quality sound. With a parallel-link self-adjusting headband, padded circum-aural ear cushions and weighing just 220g, the MDRRF810RK’s are designed for long-lasting comfort.