This is a keyboard purchased in Taiwan. The keycaps are printed with Bopomofo characters. It works perfectly fine with Japanese PCs. [Product Description] Logicool Wireless Keyboard & Mouse Set (Traditional Chinese Keyboard Compatible) ■ Product Features ・Easy connection, just plug and play ・Stable 2.4GHz wireless connection (Unifying compatible) for comfortable operation ・Easy-to-use full-size keyboard (with numeric keypad, hotkeys, and arrow keys) ・Operates up to 10m away for flexible placement ■ Basic Specifications ・Keyboard Size: 450 x 155 x 18mm ・Keyboard Weight: 470g (including batteries) ・Power: AAA batteries x 2 ・Supported OS: Windows XP / Vista / 7 / 8 / RT ■ Accessories ・USB receiver (stored in the battery compartment) ・AAA batteries x 2 (for operation check) ※ The USB receiver is stored in the battery compartment. Please check upon opening. This simple and functional keyboard & mouse set allows for comfortable PC work. It also supports Traditional Chinese input, making it suitable for a wide range of uses.