The Soundcore R50I earbuds are designed for premium sound quality and comfort. With an IPX7 waterproof rating, these earbuds are perfect for workouts and outdoor activities. The earbuds feature 10mm dynamic drivers and a frequency range of 20Hz-20kHz, delivering crisp, clear sound across all genres of music. The R50I earbuds also boast a long-lasting battery life of up to 10 hours, so you can enjoy your favorite tunes for extended periods of time. With Bluetooth 5.0 connectivity, these earbuds easily pair with your device for a seamless listening experience.