Powerbeats Pro 2 delivers powerful sound for any training environment. Powerbeats Pro 2 gives you up to 45 hours of listening time with a single charge or up to 10 hours of continuous bud playback. Thats countless miles or reps with no interruptions and thanks to Fast Fuel, a five-minute charge gives you up to 90 minutes of playback. Powerbeats Pro 2 is sweat and water resistant with an IPX4 rating, so you can go as hard as you want to without interruption, even in the rain, snow or heat.