Ultra-light but comfortable gripThe open-ear earbuds weigh only 9 grams per side and come with ergonomic ear hooks that fit the curve of your ears perfectly and won't fall off. A must-have for running, hiking, cycling, walking, exercising, and commutingOpen Ear ComfortThe open-ear design ensures no more ear pain or fatigue, ensuring comfort even for long periods of useClear AudioThe open-ear headphones have 14.2mm dynamic drivers that deliver clear audio, perfect for music, audiobooks, podcasts, phone calls, and moreSafety Situational AwarenessThe open-ear headphones don't get into your ears, allowing you to stay alert to your surroundings while enjoying your music. Pay attention to the announcements on the subway or airport, or the horn of the car behind you48-Hour PlaytimeOur open-ear earbuds provide 48 hours of playtime with the charging case. Each earbud can be used continuously for 8 hours on a single charge. The charging box is equipped with a battery level display, so you can always know when you need to charge. [Fast and stable connection] The earphones use advanced Bluetooth 5.3, which can be paired and connected immediately after picking up, ensuring fast access to your favorite audio, while the reliable connection provides uninterrupted listening pleasure