by an ophthalmologist and a Doctor of Engineering who graduated from the University of Binoculars for live 10x opera for for watching 140g Ruxis

【Voltage Compatibility】 When using electrical appliances, please note that they are designed for Japanese voltage specifications (90-110V), so if you use them with a different voltage, it may cause a malfunction.

【Plug Type】 Our products use Japanese plug types (A or B type). Please use a conversion adapter if necessary.

【Important Note on Transformers and Adapters】 A transformer adjusts voltage to match your device’s requirements. A conversion adapter only changes the plug shape and does not adjust voltage. Using only a conversion adapter without a transformer may result in damage to the product.

【Liability】 We are not responsible for malfunctions or damages caused by improper use, such as operating the product without a transformer. ✅ [Body texture upgraded in September 2024] We aimed for a grip that you won't be able to put down from the moment you hold it in your hand. It is non-slip and has excellent operability (binoculars/opera glasses/for watching live concerts and sports/10x). ✅ [365-day Japanese Manufacturer's Warranty] We offer a 1-year Japanese manufacturer's warranty. In the unlikely event of a breakdown or initial failure, we will promptly replace it. ✅ [30-day return guarantee] We will accept returns for customer reasons such as the wrong image for 30 days after purchase. *You will need your order number at the time of purchase to receive the warranty. ✅ [Developed by an ophthalmologist and a doctorate in engineering who graduated from the University of Tokyo] Jointly developed by Dr. Hiroko Kakizaki, an active doctor and ophthalmologist (12 years of clinical experience), and Dr. Kazuhiro Matsui, a doctor of engineering from the University of Tokyo (11 years of development experience). These popular binoculars combine the knowledge of modern medicine and cutting-edge optics to achieve "surprising ease of viewing." ✅ [Equipped with the most advanced optical lens / Fully multi-coated] Optical glass from the world's largest manufacturer is used as the lens raw material, achieving a light transmittance of over 99.5%, the highest level in the series. The 9-layer fully multi-coated coating, polished to nano-levels, dramatically increases the brightness of the field of view. ✅ [High-grade BaK4 prism] In order to bring out the maximum lens performance, a high-grade BaK4 prism is standard equipment. The Porro prism system provides sharp and clear images to every corner. ✅ [High magnification 10x x wide field of view 65 degrees] These 10x binoculars are recommended for large-scale venues such as domes, arenas, and stadiums! The high-magnification zoom and ultra-wide viewing angle allow you to clearly see the facial expressions on stage from far away seats, increasing the sense of being at the live concert. They are also very useful as opera glasses, and are perfect for pushing activities. ✅ [Ultra lightweight 140g/Palm size] By thoroughly eliminating waste in the main body structure, we have achieved the industry's lightest weight of 140g while maintaining easy visibility! It's lighter than a smartphone, making it extremely easy to use. Furthermore, it is compact and easy to carry, fitting in the palm of your hand. The stylish body makes it easy to hold with one hand, making it popular among women and children. ✅ [Reduces camera shake] Comes with an eyecup for camera shake correction that is tailored to the Japanese skeleton. By firmly fixing it to the eyebrow bone and cheekbone, it exhibits anti-vibration function. ✅ [Reliable domestic brand] Planned and developed by a Japanese company, and manufactured at a specialized factory with a track record of many transactions with major optical manufacturers around the world. Under a strict double inspection system, we carefully deliver high-quality binoculars to each and every customer. ✅ [Complete 7-piece set] The package includes the following 7 items: 1) binoculars, 2) soft storage case, 3) lens cleaning cloth, 4) eye cup, 5) neck strap, 6) hand strap, 7) instruction manual/warranty. Jointly developed by an ophthalmologist and a doctor of engineering! Ruxis binoculars (opera glasses) combine the knowledge of modern medicine and advanced engineering to achieve "ultimate ease of viewing." Equipped with a premium lens that achieves a light transmittance of over 99.5%, the highest level in series history. At 140g, the lightest in the industry, it's lighter than a smartphone, and you can hold it with one hand without getting tired. These binoculars are useful in a variety of situations, such as live performances, concerts, and watching sports, and are popular among sports enthusiasts.