Wide Compatibility: The keyboard suitable for most systems, supporting Windows all/Mac OS/Android. This rechargeable mechanical keyboard has a battery life of up to 300 hours (The exact working life depends on the usage of the lights). Suitable as a Father's Day gift. Ergonomic Design: The X3 mechanical keyboard has a removable hand rest design that allows your wrists to rest during long hours of work or play, thus helping to prevent carpal tunnel syndrome. The bottom of the keyboard features two horizontal brackets that you can adjust to the right position as needed. White Backlit Keyboard: This keyboard features a soft white LED backlight instead of colorful lights, without any harm to your eyes. You can customize backlight effects, such as backlight breathing mode, constant light mode, and interactive loop mode (Note: Backlight color cannot be changed). 87-Key Double-Shot PBT Keycaps: Using PBT dual color injection molding process, with high wear resistance and oil resistance. High-value pudding-style keycap design gives you a more visually layered feel. Keyboard with unique precision Kailh Box switches, dust and moisture resistant, withstand 100 million keystrokes. 2.4GHz Wireless/Wired Mechanical Keyboard: X3 is a dual-mode mechanical gaming keyboard. 2.4GHz wireless mode with stable signal, convenient and unconstrained. You can also choose the wired mode to charge the keyboard, USB Type-C plug and play, free driver settings, and more stable connection.