erorex Wireless Keyboard - Wireless

Item type: Three mode Bluetooth keyboard with backlight Connection method: Bluetooth+2.4G wireless Lithium battery: 1200Ah Operating range: Up to 10 meters. Working voltage: 4.75 V 5.25 V Current work:<2.5ma Standby current:<0.5ma Material: ABS Size: 42.9x12.7x1.9 cm Compatible system: iOS/Android/Windows/Linux/Mac OS 1. How to turn on/off the backlight and change the brightness? Click the light bulb icon to turn on/off the backlit and change brightness. It has three levels of brightness. 2. How to change the color of the backlight? The keyboard is divided into three areas (left, center, and right). Each area has 7 colors of backlights. You can use FN+L/M/R to adjust the color of each area.