Tonfarb MP3 Bone Conduction Headphones, Bluetooth Open Ear Wireless Swimming Earphones, Waterproof Headset Built-in Mic Sweat Resistant IP67 for Workouts Running, Diving, Sport, Fitness

【 MP3 Mode & Bluetooth Mode 】: This swimming headphone built-in 8GB memory card and it can store about 1200 songs, and supports Bluetooth and mp3 playing mode, allowing you to get rid of your mobile phone and run music with you. Bluetooth 5.2 has faster transmission speed and connection speed distance, no delay, and play as you want. (Note: Bluetooth cannot work underwater. Please switch to MP3 Mode, press minus button for 4 times).   【 Bone conduction headphones 】: Wireless Bluetooth bone conduction headphones with mic. This open ear headphones transmit sound directly to the auditory nerve through the skull, bypassing the eardrum. Additionally, bone conduction headphones can help you pay attention to external warning signals, keeping you safe while exercising. The headphones also provide clear calls and excellent sound quality, allowing you to enjoy premium audio transmitted through your cheekbone and freeing up both ears.   【 Waterproof Headphones for Swimming 】: This sport headphones is equipped with IP67 waterproof technology and specifically designed for swimming, ensuring that the bone conduction headphone is effectively protected when submerged in water. Please use the MP3 mode when swimming as water can interfere with the Bluetooth connection. These wireless sports headphones are sweatproof and waterproof, making them the perfect workout companion for any sports, fitness, or running enthusiast.   【 Magnetic Quick Charging 】: The running headphones are built-in with a 160mAh battery that can provide up to 8 hours of playback time. The upgraded magnetic absorption charging technology ensures efficient data transmission, making it convenient and fast to charge. The female end of the magnetic absorption charging cable is also dustproof and waterproof, allowing for the use of the headphones while swimming.   【 Open Ear Comfort 】: Tonfarb Sport Open-Ear Headset is ergonomically designed and weighs only 25g, making it comfortable to wear for extended periods of time without causing ear pain or damage to the ear canal. In addition to the headphones, the package also includes 1 x Nose clip and 2 x Earplugs for swimming. Please don't hesitate to let us know if you encounter any problems while using them.