1. [Designed for Sports]: Flexible, secure-fitting silicone ear hooks and an ergonomic design ensure the headphones stay comfortable and secure during hiking, running and other outdoor activities. Three different sizes of silicone eartips are included, designed to fit perfectly without squeezing your ear canal and to be worn for long periods of time without fatigue or pain, giving you comfort from the inside out. IPX7 rated waterproof to withstand common splashes and rain. 2. [Ultra-lightweight Sports Bluetooth Earbuds]: Q35 wireless earphones weighs only 6 grams, and the whole product (plus the charging case) weighs only 50 grams. Compared with other sports headphones with ear hooks to be more lightweight, easy to carry around. 3. [Dual LED Digital Display and Fast Charging]: Q35 wireless earbuds show the remaining charge level of the charging case by the number on the charging case screen, and the charging status of each earbud by the LED light bar. The charging case has a built-in 400mAh battery, and two fully charged headphones can get up to 5 hours of music playback time. The charging case can charge the dual sport earbuds 5 times for a total of 30 hours of music playback, and supports Type-C fast charging. 4. [High-fidelity Audio and Clear Calls]: The wireless bluetooth headphones features a 10mm speaker and a volume-optimized active equalizer that maintains audio clarity and balance. With a highly supple diaphragm that reproduces a rich bass range while enhancing sound quality and reducing distortion, you'll hear clear HD stereo sound and powerful bass. A hands- earphones with noise-canceling microphone makes calls easier and clearer to hear.