About this item Why take your music out of the water? Well, don't! Enjoy your favorite tunes while swimming with the Naenka Runner Diver2. Simply drag & Drop your music files onto this 32GB device and listen to your music during your swim. With an additional set of earbuds, these headphones can also be used for various exercises like gym workouts, running, jogging, or cycling. (Only TF mode supports underwater usage) 10 hour play & magnetic charging: The running headphones feature a 180mAh battery capacity, providing 10 hours of battery life (at 60% volume for music playback), ensuring long-lasting use during your sports activities. The bone conduction headphones utilize magnetic fast charging technology, allowing them to be fully charged in just 1.5 hours. This rapid charging capability meets your needs for continuous headphone usage outdoors. Bluetooth 5.3 headphones & MP3 player: With Bluetooth 5.3 connectivity, Naenka Runner Diver2 offer convenient multipoint pairing compatibility with your iOS and Android Bluetooth-enabled devices. They can be paired with smartphones, tablets, Mac and PC computers, as well as laptops. By double-clicking the power button, you can switch to MP3 mode, and with 32GB of memory, you can store plenty of songs, allowing you to enjoy music without relying on your mobile phone. (Does not support TV) Bone conduction open ear design: Naenka swimming bone conduction headphones utilize advanced bone conduction technology, delivering audio through the cheekbone instead of the air. This technology ensures the authenticity of sound while keeping you connected and aware of your surroundings, making it particularly suitable for outdoor sports. Leakage reduction sound & shocking sound: Naenka Runner Diver2 feature exclusive OT leakage reduction 3.0 technology, providing less vibration and a more comfortable wearing experience. The seamless and non-porous design reduces sound leakage by 90% and ensures your privacy. Equipped with a 16mm dynamic vibrator speaker, these headphones offer an open sound