Stands out with a highly accurate heart rate monitor and integration with fitness apps such as Nike Run Club. Premium Beats sound delivers an unrivalled listening experience, and sweat and water resistance (IPX4) lets you use them during even the most intense workouts. Wireless Qi charging and an impressive battery life of up to 45 hours, while the new case, 33% smaller, is even easier to carry. Personalised Spatial Audio with dynamic head tracking creates an even more immersive sound, and the Apple H2 chip provides improved Active Noise Cancellation and Transparency mode.