The Soundcore by Anker Sport X20 Ear-Hook True Wireless Earbuds in Black are designed for sports enthusiasts who want a reliable audio solution. With a frequency range of 20-20KHz and a driver size of 11mm, these earbuds provide clear and powerful sound. The ear-hook design ensures a secure fit during intense workouts, while the waterproof feature makes them suitable for various weather conditions. Featuring Active Noise Cancellation and Bluetooth connectivity, these earbuds offer a comfortable and convenient listening experience. Additionally, the 18-month manufacturer warranty ensures peace of mind for customers.