Sony Float Run WI-OE610 Headphones Designed for Running, Cycling, Hiking & Other Sports, Gym Headphones with Open-Ear Design, 10Hrs Battery, Splash Proof, Totally New Concept for Ear Health & Comfort REFURBISHED 4 GHz Radio Frequency Hardware

Sony Float Run WI OE610 Headphones Designed for Running, Cycling, Hiking & Other Sports, Gym Headphones with Open Ear Design, 10Hrs Battery, Splash Proof, Totally New Concept for Ear Health & Comfort REFURBISHED 4 GHz Radio Frequency Hardware 4 GHz Radio Frequency Hardware Platform ‎Wireless Operating System ‎Windows Average Battery Life (in hours) ‎12 Months Are Batteries Included ‎Yes Lithium Battery Energy Content ‎100 Watt Hours Lithium Battery Voltage ‎100 Volts Lithium Battery Weight ‎100 Grams Number of Lithium Ion Cells ‎10 Number of Lithium Metal Cells ‎1 Manufacturer ‎Microsoft Item Weight ‎227 g and even your routines