Thank you for viewing. I purchased this last year (original price: 4,380 yen) and used it for about 3 months. HP Wireless Mouse, Wireless Mouse, Silent Z3700, Dual Wireless Mouse, Windows, Mac, ChromeOS, Bluetooth Connection, 2.4Ghz Dongle Compatible, Silent Mouse (Black) [Domestic Genuine Product] [Wireless connection as you like] You can now connect quickly and easily regardless of the OS you are using. To increase device flexibility, it supports connection via a 2.4 GHz USB-A dongle or Bluetooth 5.0+ standard with switchable dual-mode wireless connection. [Works on any surface] Multi-surface sensor technology enables mouse tracking on multiple surfaces, and the optical sensor supports a resolution of 1600 DPI for smooth and accurate control. In addition, it can be used for up to 16 months with one AA battery. [Comfortable and sophisticated design] You can now work where you need to without sacrificing comfort or functionality by using a slim, pocket-sized mouse with silent clicks. It uses 50% post-consumer recycled plastic and is provided in 100% recyclable packaging, making it environmentally friendly. [Minimum dimensions (width x depth x height)] 6cm x 10cm x 2.5 cm [Weight] 73g [Buttons] 3 buttons [Connection method] 2.4GHz wireless connection or Bluetooth 5.0 connection [Power supply method] 1 AA battery (included) [Operating time] Up to 16 months [Supported OS] Windows 10 or later, macOS, Chrome OS Thank you.