The popular original headphones for passionate music lovers are back and better than ever. With a design for a secure fit and the goal of moving you with powerful sound, the Beats Solo 4 headphones have received an update to their incredibly high sound quality and are now additionally equipped with personalized 3D audio with dynamic head tracking for truly immersive listening. The ergonomic design was developed with comfort and a secure fit in mind, starting with the incredibly light weight – at only 217 grams, you almost forget you're wearing them. The UltraPlush ear cushions were designed for exceptional durability and their soft, lightweight material for all-day comfort – matching their impressive battery life of up to 50 hours.