• 【Three-Zone RGB Backlight Design】This wireless keyboard features 7 colors and 3 brightness levels with unique three-zone lighting control. The keyboard is divided into left, center, and right areas, each adjustable to 7 different colors using FN+L/M/R combinations for personalized lighting effects.
• 【Triple Connection Mode】Equipped with dual Bluetooth-compatible channels (BT5.0+BT3.0) and 2.4G wireless connection, this multifunctional keyboard can connect up to 3 devices simultaneously and switch between them seamlessly using dedicated mode buttons.
• 【Ultra-Quiet Scissor Switch Design】Features silent scissor-foot keycaps with membrane construction, providing extremely low keystroke noise suitable for libraries, bedrooms, and shared workspaces without disturbing others.
• 【Long-Lasting Rechargeable Battery】Built-in 1200mAh lithium battery with automatic sleep function provides up to 320 hours of operation without backlight and 120 hours in standby mode. Fast charging via Type-C port takes only 3.5 hours for full charge.
• 【Full-Size Layout with Multimedia Keys】110-key full-size keyboard includes numeric keypad and integrated multimedia function keys (F1-F12) for volume control, brightness adjustment, and media playback, enhancing work efficiency.
• 【Universal Compatibility】Compatible with Windows, macOS, iOS, Android, Linux, and Chrome OS systems. Supports quick system switching using FN+Q (iOS), FN+W (Android), and FN+E (Windows) combinations.

Specifications:

• Model: E15 Three-Mode Wireless Keyboard
• Connection Method: Bluetooth-compatible 5.0 + Bluetooth-compatible 3.0 + 2.4G Wireless
• Battery Capacity: 1200mAh Lithium Battery
• Charging Port: Type-C
• Charging Time: 3.5 hours
• Battery Life: Up to 320 hours (without backlight), 120 hours (standby)
• Working Voltage: 3.0V-4.2V
• Working Current: <200mA
• Standby Current: <1mA
• Keys Quantity: 110 Keys
• Key Life: 3,000,000 times
• Backlight: Seven-color RGB Backlight (Three-zone control)
• Material: ABS + Aluminum Alloy
• Operating Range: Up to 10 meters
• Product Size: 42.9 x 12.7 x 1.9 cm
• Product Weight: 422g
• Cable Length: 80cm Type-C charging cable
• Compatibility: Windows/macOS/iOS/Android/Linux/Chrome OS

Bluetooth-compatible Connection Instructions:

• Turn on the power switch and press "BT1" or "BT2" for 2-3 seconds until the indicator blinks slowly to enter pairing mode
• Enable Bluetooth-compatible on your device and select the keyboard from the search results
• When the Bluetooth-compatible indicator turns off, pairing is successful
• Use Fn+Q for iOS system, Fn+W for Android system, Fn+E for Windows system
• The keyboard automatically enters sleep mode after 10 minutes of inactivity - press any key and wait 2-3 seconds to reconnect

2.4G Wireless Connection Instructions:

• Turn on the power switch and hold "2.4G" button for 2-3 seconds until indicator blinks slowly
• Insert the USB receiver into your computer's USB port for immediate use
• If connection fails, long press "2.4G" to re-pair
• Use system switching combinations: Fn+Q (iOS), Fn+W (Android), Fn+E (Windows)

Backlight Control Instructions:

• Press the backlight button to cycle through brightness levels: Off-Low-Medium-High
• Use Fn+A, Fn+S, Fn+D to switch between seven-color combinations
• Use Fn+L/M/R to adjust colors for left/center/right zones independently
• Backlight automatically turns off when battery drops below 20%