Optoma Be Sport4 Premium Wireless Sport Earphones With Mic And 10h Battery, Sweat Proof, ac + Aptx, Quick Charge, Graphene Drivers, Compatible With Android And Iphone Durable And Lightweight: A Combination Of Aluminum And Polycarbonate Housings Keep It Lightweight While Maintaining The Rugged Durability You Expect From Sport Earphones Sweat Proof: Ipx5 Water Resistance Ensures You're Ready For Marathons, Workouts, Intense Training Sessions, Hiking Or Snow Activities Spinfit Twin Blade Ear Tips Provide Maximum Comfort, Stability And Secure Fit with Interchangeable Silicone Ear Tips and Ear Wings Charge Quickly: A Quick 15-minute Charge Provides 2 Hours Of Listening Time Talk And Control: An In-line Remote Make It Easy To Control Volume, Media Playback Incredible Battery Life Ensures 10 Hours Of Music Playback Audiophile-quality Sound: Graphene-coated Drivers Deliver Crystal Clear Audiophile Sound User manual, zip case, and eartips & wings included, cost over $100 new