Enjoy flexible, durable and waterproof wireless sport headphones. BackBeat FIT Boost Edition also includes a water-resistant mesh charging pouch.
When it comes to your workout, nothing gets in your way. Stay focused and distraction-free with wireless sport headphones that stay comfortably in place. BackBeat FIT provides superior stability with a behind-the-ear design and comfortable eartip. The only reminder that you’re wearing them is the rich sound of your favorite playlist or podcast pushing you to your next personal best.

With up to eight hours of listening from a single charge, BackBeat FIT helps you power through a full week of workouts. Subtle voice alerts let you know how much listening time you have left, and the 15-minute quick-charge provides an hour of play to get you through the day’s challenge.
Follow this link to place order:
https://www.ameclat.com/product/plantronics-encorepro-510-backbeat-fit/
or e-mail.Sales@ameclat.com

The waterproof feature is just awsome...
still very much available