Ultra Comfortable: Experience the lightweight comfort of our open-ear headphones. Featuring a non-intrusive design and soft, flexible ear hooks for a perfect fitensuring that you can wear them all day without discomfort. Open Listening, Robust Bass: soundcore V30i open-ear headphones feature a 14.2mm bio-material diaphragm that emboldens bass for an audio experience that always hits the right beat. IPX5 Water Resistant with SweatGuard: soundcore V30i uses nano-coating and a unique chamber design for complete protection. Crafted to ensure that critical areas, such as the chipsets and battery compartment, remain sealed. All-Day Companion: Enjoy 12 hours of play on a single charge, extending to a total of 36 hours with the charging case. Better yet, a quick 10-minute charge delivers an impressive 3 hours of listening.