NIPELL Wireless Earbuds, Bluetooth 5.2 Headphones with 1800mAh Charging Case - 88Hrs Play Time - Cell Phones Charging Fu

88 to132 Hours of Playtime - LED digital display for easy power management, 1800mAh large battery charging case provides up to 11 full charges for two 50mAh Bluetooth earbuds, with 6-8 hours of continuous playback per charge. Up to 88 -132 hours of playtime by alternating the use of ear buds. Cross-Field Design - The wireless headphone case adds a USB A port so that it can not only provide battery life for the headset but also serve as a portable charger to power your cellphones or other electronic devices in case of emergency. Keeps you away from the anxiety of your cell phone shutting down due to power depletion. Immersive Sound - The balance of rich bass, natural midrange, and clear and powerful high frequencies enables it to carry different sound styles. Effective noise filtering makes every detail can be heard. With just a gentle tap of it, you will freely switch to different exclusive concerts/cinemas and enjoy the magic of music/movies! Comfortable In-Ear Design - Combining precise calculations with many experiments to design the shape of the earphones. The perfect curvature with a small body of only 6g disperses the pressure in the ear canal while staying stable to bring you the ultimate comfortable wearing experience. Plus, There's a one-size fit for you best from the 4 size ear cups provided. One-Step Reconnection - With the first successful connection, just open the lid of the charging case to immediately auto-reconnect to your device, without even taking the wireless earbuds out of the case. The latest 5.2 version of Bluetooth ensures the speed and stability of the connection within 10m/33ft. IPX5 Waterproof - Unrestricted by weather and place, you can wear it while sweating in sports or walking in the drizzle. (Please do not use it in the shower and swimming!) Simple Operation - One touch button to control all functions of answering/hanging up the call, volume up/down, music play/pause, skipping music, and waking up "Siri", a friendly user manual will p