Engineered Fit - Designed for improved comfort with our signature open-ear concept and an adaptable earhook that weighs in at only 0.3 oz. These open-earbuds are built to remain securely in place. Premium Sound - Shokz DirectPitch technology and innovative tuning holes deliver precise, natural audio with minimal leakage and deep, rich bass - all while leaving your ears open to the world around you. Cutting Edge Features - 4 smart microphones, mulitpoint pairing with two devices, and IP54 water resistance mean that your earphones will keep you connected and worry-free through any activity. Long Battery Life - Enjoy up to 6 hours on a single charge, 28 hours with the charging case, and a quick 10-minute charge for the extra 2 hours of listening time you need for impromptu jam sessions. Shokz App - Our app puts the essentials at your fingertips. Tailor your listening experience with easy multipoint pairing, personalized EQ modes, customizable button functions, and real-time power information.