【Amplifies sound up to 40x & makes sounds louder】 This high-sensitivity chip amplifies sounds captured by the hearing aid's microphone up to 40 times through internal AI processing, eliminating the "anxiety of not hearing" in daily life! From conversations with family to the sound of the TV, it captures important voices without missing a beat, reproducing natural, clear sound, allowing you to have pleasant conversations with family and friends without stress, and improving your quality of life. 【Easy operation & automatic power ON/OFF】 With one-button 4-level volume adjustment, you can use it easily without hesitation, starting from the minimum volume. It automatically turns on in 8 seconds just by taking the hearing aid out of the charging case, and starts charging simply by storing it in the charging case after use (green light turns on). No troublesome power operations or setting adjustments are required, making it easy to use for the elderly with just two steps: "take it out → put it in your ear"! The green light illuminates while the hearing aid is charging, and turns off when fully charged in about 2 hours. 【Rechargeable, no battery replacement required】 This rechargeable hearing aid can be used continuously for 20-30 hours on a full charge, supporting your hearing for a full day with a single charge. The included 300 mAh charging case allows for an amazing 100 hours of additional charging, and the remaining battery indicator (blue numbers indicate the remaining charge of the charging case) is easy to see! Connect the charger and charging case with the included Type-C charging cable to charge the charging case; the number on the right flashes while charging, and charging is complete when it reaches '100'. 【Only 3.2g! Perfect fit for small ears】 Achieving a feather-light feel, this ultra-lightweight design weighs only 3.2g. It minimizes the burden on the ears even with prolonged wear, and is 30% smaller than conventional products, making it comfortable to use even for those with smaller ears. The design has no distinction between left and right, so it can be worn immediately in either ear, with no troublesome adjustments required, and the ease of use is appealing – you can simply pick it up and put it on! 【Ideal as a gift & 1-year quality guarantee】 This rechargeable hearing aid is perfect as a gift for your loved ones, ready to use right out of the box. Set contents: hearing aid body, charging case, 3 sizes of ear tips (S/M/L), cleaning brush, Japanese instruction manual, Type-C charging cable. It is very well-received as a gift for "Mother's Day," "Father's Day," "Respect for the Aged Day," and birthdays, and is perfect for expressing your gratitude to your loved ones.