NANK Runner4 Bone Conduction Headphones with Hard Case, IP68 Waterproof Open Ear Bone Headphones Bluetooth 5.4, Wireless Sports Headphone & 16GB MP3 Player, for Running Swimming and Workout

Package Includes1 x Runner4 Bone Conduction Headphones + 1 x 4.33 * 2.55" Hard Case
Comfort & Safety DesignNANK open ear bone conduction headphones feature a premium titanium frame and skin-friendly silicone back bridge that makes it easy to wear all day long. Bone conduction Mode is kinder to the ear canal, it also allows you to monitor ambient sound for a safer workout. This open headphone is a great Partner for runners, cyclists, sports and fitness enthusiasts
MP3 Mode & Bluetooth 5.4Bluetooth bone conduction headphones with 16GB of space can store 2000 songs, even without carrying a phone, sports fan can effortlessly enjoy music during workouts. Wireless bone conduction headphones with the latest Bluetooth 5.4 technology, more stable connection and lower latency in data transmission
IP68 Waterproof RatingThe open-ear bone sport headphones adopts nano-waterproof coating technology and ultrasonic welding design, which can effectively prevent sweat and rain from penetrating. MP3 mode allows you to enjoy music while swimmingBluetooth mode is not good for swimming!
Up to 8 Hours PlaytimeCrafted for long workouts, our running headphones provide 8 hours of play on a 1.6-hour charge. A 10-minute quick-charge provides 2 hours of immediate use. Stay connected and energized with durable design