RK ROYAL KLUDGE RK71 is a 70% RGB Wireless Mechanical Gaming Keyboard with Stand-Alone Arrow Keys & Function Keys. It features a compact minimalistic layout with 71 keys and supports Reliable Dual Modes with a maximum of 6 Devices for Ultra-Low Latency Connection. It is powered by a 1000mAh Long-lasting & Abundant Battery that comes with Red, Blue, Brown switches. KLUDGE RK71 comes with DIY Software Support. DIY keybinding shortcuts, adjust brilliant backlight modes, reassign various key functions, these are the powerful functions of the RK71 professional driver. The keys have >50 million times Key Life with having ABS Double Shot Keycaps. The tested comfortable Ergonomic 8°angle might not meet every users’ need, so you can add a magnetic pad foot or not, is up to your definition of comfort. It has no warranty.