Equipped with 7mm rhythmic dynamic drivers for immersive HD sound. Perfectly designed for the outdoors with IPX5 Sweat and Water Resistance. Seamless connectivity with Bluetooth v5.0, so that nothing stops your day. Style your workouts with only the best true wireless earbuds. With a battery capacity of 500mAh for each earbud, indulge in blissful audio experience for up to 4 hours in a go. The ergonomically designed TWS Airdopes 381 are truly dope!