Swimming Bone Conduction Headphones, IPX8 Open Ear Headphones Bluetooth 5.4 Waterproof Earbuds with 32GB MP3 7H Playtimes, Underwater Headphones for MarathonSwimmingRunningCycling

For swimming: Use MP3 mode. Do not use Bluetooth mode, as Bluetooth signals cannot transmit underwater.
Open-Ear Bone Conduction Swimming Headphones: Equipped with the latest earbuds technology, these swimming headphones enable you to stay aware of your surroundings and objects while wearing them. Weighing only 30 grams, they are ergonomically designed, lightweight and comfortable, and can be worn all day. Compared to conventional in-ear headphones, they are cleaner, safer, and less taxing on the ears, helping to prevent hearing damage.
Professional IPX8 Waterproof Level: With an IPX8 waterproof rating, you can work underwater and wear both goggles and a swim cap. This rating is appropriate for swimmers. With professional waterproof and moisture resistance, these headphones are perfect for activities like swimming, running, cycling, and exercise, since they keep out perspiration and rain. MP3 Mode & 32GB
Memory: Using the included magnetic charging cable, connect your computer and headphones to the 32GB of built-in memory. The computer will then read the USB flash drive and allow you to copy songs from your computer onto it. Save your preferred music on your headgear; MP3 mode allows you to listen to music without tying in with other devices or your phone at any time or place. Suitable for swimming, outdoor activities, driving, indoor exercise, commuting, and more. New Upgraded Bluetooth 5.4 & 7Hrs
Playtime: Equipped with the latest Bluetooth 5.4 chip, which greatly improves communication speed, communication distance and stability, with the advantages of near zero latency and low power consumption, bringing you a gorgeous music experience. Fully charged, it can provide up to 7 hours of continuous music play or phone calls.
Tip: Bluetooth can't transmit underwater, please use MP3 mode to play underwater