Powerbeats Pro 2 delivers powerful sound for any training environment. Turn on Active Noise Cancelling (ANC) when you want absolute focus, and experience the best noise cancelling, or you can listen in Transparency mode when you need to hear the world around you. 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.