Brand new, unopened Color: Off-White 【Open-Ear Design, Listen-Through Headphones】These Bluetooth earphones feature an open-ear design that doesn't block your ears. This completely eliminates the feeling of blockage caused by conventional canal-type earphones, preventing stuffiness in your ear canals, and providing a comfortable fit and a clean feeling, as if your ears are breathing. You can enjoy music while completely freeing your ears. Also, even when wearing wireless earphones, you won't block out ambient sounds, allowing you to enjoy music while recognizing your surroundings, maintaining a high awareness of your environment, and improving safety. You can use them with peace of mind outdoors or during your commute. 【Ultimate Fit & Ultra-Lightweight at Just 9g Per Ear】The ear hooks, made with ultra-thin 0.75mm shape-memory wire and soft silicone, securely hold the earphones in place. No problem even if you wear glasses. The fit is as light as a feather, with each Bluetooth earphone weighing only 7g! You won't feel the fatigue of conventional in-ear types even after long hours of use. 【Immersive High-Quality Sound & 16.2mm Extra-Large Driver】The Bluetooth earphones feature a built-in high-quality audio chip and a 16.2mm high-quality large-diameter speaker, providing high-resolution audio and reproducing every sound perfectly, from deep bass to bright treble, achieving clear and delicate sound quality. They achieve surround sound quality, providing an immersive sound experience. 【Sound Directional Transmission Technology & Leakage Suppression】Equipped with a special design where the wireless earphone outlet covers the entire ear canal and directional sound transmission technology, the sound transmission is concentrated in the sound hole, successfully minimizing sound leakage. Whether in a quiet library or a noisy cafe, you can immerse yourself in your own world without worrying about those around you. Take your music experience to the next level. 【40H Long Playback Time】The industry's newly developed overwhelming low-power consumption technology is adopted, and the Bluetooth earphone body can play music continuously for about 5-7 hours on a full charge. When combined with the charging case, you can enjoy music playback for up to about 40 hours. (※Playback time varies depending on volume, content, and usage environment). You can use it without worrying about the battery, whether for online meetings, watching videos, or during long trips or business trips.