NOTE:The Keyboard Not Support Hot swap,Not Change Keyboard Keycaps and Switch.Band:LANGTUModel:L98Keycaps: 98keysSize:413x345x43mmConnect:Bluetooth/TYPE-C/USB 2.4G(wireless 3 Modes)Light:RGB Light(19 kind of Light effect,But It's not 19 Kind of light Colors)With screen:The stylish Langtu logo screen can display the keyboard connection status.Battery capacity:1300mAh(Turn on light about use 3days,Turn OFF light about use 5days),Equipped with automatic sleep function, it will automatically turn off the lights when you haven't used the keyboard for more than 2 minutes, and enter sleep mode when you haven't used the keyboard for more than 10 minutes. When you need to use it, just click any button to wake up the keyboard and enter working modeMultifunctional Knob:Adjustable lighting effects and volumeAdjust the lighting effect: Rotate left and right.Adjust volume: Press and hold the knob for more than 5 seconds, then rotate left and right to adjust volume.