48-Hour Ultra-Long Battery LifeEnjoy up to 48 hours of continuous use on a single charge. The Type-C fast charge fully powers it in just 1-2 hours, perfect for long-distance rides.40mm Graphene Sound QualityEquipped with a 40mm large graphene diaphragm, it delivers rich, clear audio for music, navigation, and calls.Smart Dual Device ConnectionConnect two phones at the same time, so you can receive calls and follow navigation without switching devices.IPX6 Waterproof & DurableIPX6 waterproof and dustproof construction withstands rain, sweat, and harsh weather conditions, built to last.Hands-Free Auto-AnsweringAutomatically answers incoming calls to keep your hands on the handlebars, ensuring a safer riding experience. The easy-to-install design fits most full and half helmets. | Cluzine | | Motorcycle Helmet Bluetooth Headset Headphones, 48H Playtime, Dual Device Connect, IPX6 Waterproof | Best Buy