Beats Solo 4 Wireless Bluetooth On-Ear Headphones with Mic/Remote, Matte Black- 21/06The original go-to headphones for active music lovers are back …and better than ever. Designed to stay in place and get you moving with powerful sound, Beats Solo 4 have been re-engineered for high-fidelity acoustics, featuring personalised spatial audio with dynamic head tracking for truly immersive listening.* Their ergonomic design was developed with comfort and a secure fit in mind, in fact they’re so light you could almost forget you’re wearing them. And the UltraPlush ear cushions are designed for durability and a soft, light touch for all-day comfort, matching their impressive battery life of up to 50 hours. Go Solo.