Dual mode, reliable: equipped with an updated chip, every keystroke is immediately recorded and the stable wireless connection gives you a real free typing experience. Easy switching of 3 different devices with FN + Q/W/E in wireless mode takes you on tour and maximizes your productivity. 65% US Layout Compact & Practical - What sets 68 keys apart from 61/71 keys, the RK68 is convenient and compact, while maintaining a minimalist layout and is also equipped with frequently used arrow keys and control keys. 【Hot Swappable Silent Red Switch】Hot swappable board allows you to freely replace the 3pin/5pin switch without having to solder. Enjoy the fun of creating your own unique keyboard. The red switch provides a quiet and linear typing experience. Soft top to bottom feedback provides easier and smoother use than other touch switches. Perfect for people who work in a spacious office and are gamers. 【DIY Software Supported & 1450mAh Battery】DIY key shortcuts, setting bright backlight modes, reassigning different key functions, these are the powerful functions of RK68 professional driver. In addition, the 1450 mAh battery allows you to continuously use about 13 hours with the brightest backlight. 3-4 hours fast charging puts it online as quickly as possible, it will never let you down, even if you are tired. SIMPLE BLUE, ABUNDANT DYNAMIC - Even though the RK68 does not have multi-color RGB backlight, but only blue LED backlight, the 17 dynamic lighting modes will add a unique style to your gaming game. Use FN+ to choose your ideal mode, freely adjust the brightness and lighting speed. Turn on a few lights to chase your blues and create your day.