Distinguished by its unique customization, these headphones feature a sleek charcoal-black hue covering the entire body, complemented by metallic-colored buttons. [Open-ear comfort and safety]Experience the ultimate comfort with OpenRun SE bone conduction headphones. Coming in at a lightweight 26g, these discreet headphones are barely noticeable during intense workouts on hot days. The OpenRun SE sports headphones boast an open-ear design, ensuring you enjoy music or podcasts while staying aware of your surroundings during activities like running, cycling or hiking, effectively reducing potential risks. IP67 waterproof wireless headphones fully consider the outdoor environment during exercise, perfect for intense workouts. (Not suitable for swimming) [8-h calls & Bluetooth V5.1] Quick charge feature and long endurance of the Bluetooth V5.1 headset provides an uninterrupted musical journey even during full Marathons, and with its Duel noise-canceling mics further enhance the listening experience by providing crystal clear sound. The product cannot support security updates. The product cannot support security updates