• Connect via Class 1 Bluetooth ，with your device for wireless workout freedom 
• Up to 12 hours of battery life to power through multiple workouts 
• With Fast Fuel, a 5-minute charge gives you 1 hour of playback when battery is low 
• Sweat and water resistance to handle tough training 
• Flexible, secure-fit earhooks maximize comfort and stability 
• Dynamic, high-performance sound pushes you to the next level 
• Take calls, control your music and activate Siri with RemoteTalk