FANTECH MK917 ATOM PRO79 WIRELESS MECHANICAL GAMING KEYBOARD - BLACK Mechanical Keyboard  RED & BLUE SWITCH  75% Layout / 79 Keys 3 Mode Connection (BT5.0 3devices, Wireless 2.4GHz, Wired) Smart Display (TCF Screen) ARGB Lighting 13 Modes, 5 Pin Hot Swappable Battery 2500mAh up to 90Hours (LED on ). 400 Hours (LED Off) FANTECH MK917 ATOM PRO79 WIRELESS MECHANICAL KEYBOARD