1.The LED digital battery indicator outside the Bluetooth earbuds charging case displays the remaining power of the case and the charging status of the earbuds in real time. The 300mAh battery capacity of the charging box can provide 3 full charges for two 30mAh earbuds, 4-5 hours of playback per charge. You can charge the case with the supplied cable which is more convenient. 2.Ergonomic wireless earphones with 2 pairs of soft silicone caps, it can accompany you to sleep, not easy to slip off, no pain in the ears. Different sizes of earplugs fit more people with different ear shapes. The compact body fits easily in your pocket. 3.The earphones significantly enhance the Bluetooth performance and provide faster speed, more stable connection, and wider compatibility than before. 4.Filter out noise and high-definition calls. The wireless profit sharing technology in the left and right ear canals brings an immersive three-dimensional effect, enabling clear communication even in noisy environments. 5.The earbuds are low-key and practical, suitable as a gift for men and women of different ages who love sports, exercise, and fitness. And of course birthdays, anniversaries, Mother's Day, Father's Day, Halloween, weddings, boys, girls and more.