RedThunder K75 Wireless Keyboard and Mouse Combo,75% Side-Engraved Membrane Keyboard,Optical Gaming Mouse with 4800DPI,3 Modes(BT/2.4G/Wired),Dual System,RGB Backlit,Rechargeable Battery,Gradient Gray

3 Connection Modes & Dual System CompatibilitySupport BT 5.0 / 2.4G /Wired three connection modes, 10m unobstructed stable wireless transmission; one-key switch between Windows/macOS via Fn+A/S (blue/yellow backlight flash for confirmation). BT mode connects 3 devices at the same time, wired mode for charging while using, fit for PC/laptop/tablet, meet all usage scenarios.
Note: The keyboard and mouse share a single USB receiver, which is located at the bottom of the keyboard or mouse. ^^ 75% Compact Layout & Side-Engraved Character Design80-key side-engraved keyboard with 1 multi-function CNC knob saves 25% desktop space vs full-size keyboard; side-engraved characters wear-resistant and non-fading, clear visual effect even in dark gaming environment. Equipped with a premium CNC metal knoblong press FN + Knpb for 3s to switch between volume and lighting modes, rotate to adjust volume/backlight brightness, press to mute or cycle RGB lighting effects. The membrane key is quiet and comfortable, providing good tactile feedback. ^^ Rechargeable Wireless Keyboard and Mouse4000mAh high-capacity keyboard battery (5-6h charging time) + 800mAh mouse battery (1-2h charging time); keyboard auto-standby in 2min/sleep in 15min, mouse auto-standby in 1min/sleep in 15min, low power consumption design. Red slow flash of keyboard connection light & mouse delay/light off prompt low battery. Please use original Type-C cable to charge via computer USB for 8 hours before using. ^^ Light Up Keyboard and MouseThe K75 gaming keyboard can adjust RGB backlighting through multiple shortcuts (brightness/speed/effects optional), and FN + ESC restores factory settings.

The gaming mouse with 13 RGB light effects (bottom RGB button switch), DPI button for 3s long press to turn light on/off, cool visual experience. ^^ High-Precision Optical Mouse & 5-Level Adjustable DPIM75 optical sensor mouse with 7 functional buttons, 5-level DPI (800-1000 (default) -1600-2400-4800) with color-coded light prompt (Red/Blue/Green/Purple/White); sensitive optical tracking ensures smooth, lag-free movement for gaming/office, accurate positioning without frame drop.