ship from Japan Product Features 2: With Bluetrack technology, it can be used anywhere Product Features 3: Compact and easy-to-use 3-button mouse Connection method: Wireless (2.4GHz band) Supported OS: Windows 10 / 8.1 / 8/7 Period: 3 years Included items: 1 AA alkaline battery, user’s guide, book Reading method Blue LED
