FINA (International Swimming Federation) approved. Sonic Line Design: Design by Dynamic Analysis Method “Musculoskeletal Simulation”. Equipped with flat swim technology: Mizuno’s top race swimsuit GX SONIC series. Textile material for racing swimwear. GX SONIC Suitable size standard body dimensions. It is a swimsuit for swimming races that uses fabric material and has a tight fit. All our items are 100% authentic. Depending on the products, the proper transformer and adaptor are required to use them in your local country, where the voltage is higher than 100V such as 200V-240V. We are not responsible for the damage of this device if you use it without them. Therefore, we will open the product once and work for installation. Please be understanding of this beforehand. In addition, since there is a limit to the number of lithium batteries that can be included in each package, some products are opened and packaged separately. [Digital Camera] Depending on the brand, it may not be possible to switch the language display of the display. Product manual may be written only in Japanese. I have other listing items. I will try my best to resolve the issue. International Buyers – Please Note. We do not mark merchandise values below value or mark items as “gifts” – US and International government regulations prohibit such behavior. Please kindly understand this matter.