【Tax-included Amaz0n Reference Price: ¥16,500】 Brand new, unused. I kept it as a spare. Will be shipped in simple packaging. Please be aware of this beforehand. m(_ _)m ●Product Description● (New scientific technology to optimize sound quality) This product uses cutting-edge process technology with a built-in smart chip. It optimizes sound quality and enhances the listening experience. It can optimize and restore environmental sounds, human voices, and TV sounds. It provides a comfortable life experience! (Compact design, fashionable appearance) The appearance is small and delicate, and it's not easy to notice. It's fashionable and beautiful, yet understated and generous. The exquisite and fashionable design highlights the high-quality feel and adds a point of confidence to your life! (Lightweight and small) The main unit weighs only about 3g. It frees your ears and reduces the burden on your ears. Compact size for easy portability. It meets the needs of various situations, whether you're out and about or at home! (Convenient charging, ultra-long life) This product is equipped with a charging base, and you can charge it anytime you like by simply connecting it to the charging base, which is convenient and fast. With only 1.5 hours of charging, it has a battery life of up to 35 hours. It's convenient for daily charging and improves work efficiency! (Simple and quick to use, built-in manual, easy for the elderly to start) This product has few buttons, and you can use it immediately by turning on one key. You don't need to learn how to use it, and it's very convenient and easy for the elderly to use. It comes with an instruction manual for convenience!