Features: 1、Open Ear Design: This BT earphone adopts air conduction technology, which can transmit sound through the air. Suitable for those who like outdoor sports. The open-ear design not only keeps your ears clean, but also lets you hear your surroundings and your favorite music more cozily. 2、BT 5.2 Wide Adaptation: This wireless earphone adopts the latest BT 5.2 technology, which is suitable for most electronic devices. The connection speed is faster, the state is more stable, there is no cable restraint, and the maximum connection distance can reach 10m/30FT, which is convenient for daily use. 3、Waterproof Sports Earphones: This sports BT earphones feature IP5 waterproof technology to resist light rain and sweat. Lightweight, these headphones won't weigh you down, allowing you to enjoy your run, bike ride, and more. 4、Long-lasting use: This BT earphone has a built-in high-performance battery, which can provide you with longer talk/play time. The wireless headset has an LED screen power display, allowing you to see the power usage of the headset at a glance. It only takes 2 hours of fast charging, and the continuous call or music playback time can reach 6-8 hours. 5、Wide Use: Our wireless BT earphones are compatible with any iOS, Android and Windows phone or tablet. Suitable for various ocns such as sports, commuting, driving, work, jogging or walking.