Description Ergonomic earhook design Silicone earhook design is made of soft and durable pliable material for safe and comfortable wearing, suitable for running, fitness, exercise, jogging, etc. True wireless earbuds are comfortable to wear, super light, and come in 3 different earbud sizes. Sports workout headphones and enjoy your fitness journey. The improved Bluetooth 5.0 sports earphones don't have tangled wires bothering you, so you'll enjoy the convenience of these true wireless earbuds. The bluetooth headset has a built-in 5.0 bluetooth high-tech chip, which ensures an incredibly stable, faster, and lower-latency low-power connection during data transmission. 6D Stereo HiFi Sound Stereo Wireless Headphones feature noise reduction technology to effectively block background noise, pick up your voice accurately, and enjoy musical moments even in noisy environments. Deep bass, rich mids and crystal highs allow you to enjoy smoother, clearer music playback and calls than ever before.50 Hours Playtime The wireless sports earphones last up to 5 hours on a single charge, plus an additional 50 hours in the compact charging case. Stop worrying about battery life. In-ear bluetooth headphones are great for outdoor sports, workouts all day long.(Note: Please fully charge it when you use it for the first time.) LED power display and IP65 waterproof sports bluetooth headset charging case with LED power display shows the percentage of remaining power. The charging case shows the power from 1%-100%. Good for running even in the rain, good for sweating in the gym or various outdoor sports like walking, hiking, jogging, etc.