Brand: Shokz. MPN: S710-ST-RD-US. Waterproof Protection: IP68 Rating   Smooth Bluetooth Connection   Adaptable for Adventures   Secure Fit During Movement   Safety-Focused Open-Ear Design   Comfortable Wear   Seamless Music Experience: From Water to Land   Extended Playtime: Up to 9 Hours   Rugged Waterproofing: IP68 Rating