Wireless Sport Earphones with Charging Case, Black Up to 70 hours overall playtime Independent connecting earbuds can connect to your device individually Bluetooth technology with up to 33' (10 m) wireless range Button controls to manage calls and music playback IPX4 water-resistant Ergonomic Design: The earbuds are ergonomically designed with soft, flexible, and securely-fitted ear hooks. Designed for Sport: Perfect for running, jogging, hiking, yoga, exercises, gym, fitness, traveling, and more