Thank you for viewing! ⭐︎⭐︎⭐︎Instant purchase is welcome⭐︎⭐︎⭐︎ ✅Brand new, unused✅ ✅Free shipping✅ 【Design to reduce wrist and arm strain】 Ergonomic design to reduce strain on the wrist and shoulder. You operate the cursor by rolling the ball with your thumb, so there's no need to move the mouse, keeping you comfortable even during long hours of use. Recommended especially for those suffering from wrist or shoulder pain! 【Multi-function buttons & 5-level DPI adjustment】 Equipped with a DPI button that allows you to adjust the cursor speed to suit your needs (400/800/1200/1600/2400dpi). It supports a wide range of needs, from Excel and drawing tasks to web page browsing. Also equipped with forward and back buttons (※Not compatible with Mac), significantly increasing work efficiency. 【Large-capacity battery & Type-C fast charging】 Equipped with a 500mAh lithium-ion battery. Can be used for up to 120 hours on a single full charge, and the power-saving design ensures peace of mind for long hours of work. Charging time is about 2 hours, and it comes with a convenient status indicator. 【Compatible with a wide range of devices】 Widely compatible with Bluetooth-enabled devices such as Windows, MacOS, iOS, Android, ChromeOS, and Linux. Can be used in both the office and at home. 【Stable wireless connection】 Employs Bluetooth and 2.4GHz technology, providing a stable connection range of up to 10m. Can be used comfortably even in crowded environments. Experience comfortable and efficient work with the EWIN trackball mouse! 【Please note】 ※Due to being an overseas product, there may be imperfections in sewing, minor stains, and slight size errors compared to Japanese products. Please refrain from purchasing if you are at all concerned. ※Simple packaging will be used. Packaging may be folded compactly or slightly compressed. Please understand in advance about creases. ※Product images may differ slightly in color from the actual product depending on your monitor environment. ※We inspect the products, but if there is an initial defect, please contact us before leaving a review.