♫【Bluetooth upgrade 5.0 technology】：Wireless earbuds adopt professional chipset and equipped with better than ordinary 5.0 chip to ensure excellent audio performance with fast, stable and efficient transmission.Offers a truly natural, authentic sound and powerful bass performance with 14mm large size speaker driver. | ♫【Dual HD microphones】：Built-in microphones support phone calls and voice assistant with either or both earbuds. With brilliant acoustic design, earphones deliver a clean response with no distortions.CVC8.0 noise cancelling technology which can filters out external noise & enhances the sound of your voice for clear hands-free calls, allow you hear in louder environments. | ♫【Quality Battery Life 24 Hours】：Support fast charging, charging for 15 minutes, using for two hours.The charging case has 4 charging contacts for safer charging. The earplugs can be used for 5-6 hours in just 1 hour of charging time. The 650mAh portable magnetic charging case can charge the headset 4 times and extend the playback time for up to 20 hours. | ♫【Comfortable & Lightweight Design】：Get rid of the shackles and the real liberation. After layer testing, After testing, we chose an ergonomically designed headset (65°), comfortable to wear, not easy to drop, and the headphones are very lightweight (3.5g) to ensure ear stability and comfort. | ♫【IPX6 Waterproof & Warranty Service】： IPX6 waterproof nano-coating can effectively protect sports headphones from sweat or light rain, it is very suitable for running, hiking, traveling, walking and so on. Please feel free to purchase our products, we ensure that you have a 90-day full refund and a 24-month warranty to provide friendly customer service.