【High-performance 2.4G Wireless Keyboard and Mouse】Are you looking for a wireless keyboard and mouse combo that can perfectly balance work and games? RedThunder K10 rechargeable wireless gaming keyboard and mouse combo will be your best choice. 2.4G high-speed and stable transmission, ensure that it can easily deal with even the most intense battles. Note: The USB receiver is in the bottom of the mouse.【Rechargeable & Long Battery Life】The keyboard is equipped with a 3000 mAh battery, and the mouse is equipped with an 800 mAh battery. The long battery life allows you to use them continuously for 8 hours with light. The keyboard and mouse are equipped with smart energy-saving functions. If there is no operation within 2 minutes, they will automatically go to sleep, press any key to wake them up. Please charge 8 hours before using.【Light Up Keyboard and Mouse】The keyboard has built-in three groups of rainbow backlight effects, supports 2 breathing modes, 3 static modes, and 4 brightness levels. The luminous design of Letters, logo, gaps and surroundings makes it the best light up wireless keyboard on the market (Note: There is no surrounding light in the right top corner due to the indicator light). The mouse has a built-in 7-color cyclic gradual lighting effect.【Durable Ergonomic Keyboard and Mouse】The keys have a 10 000 000 keystrokes lifetime, so you can hold on to it for the next decade! ABS keycaps adopt two-color injection molding process, the letter of characters never fade. Thick and firm frosted metal cover, long service life, and never deforms. The mouse fits the palm perfectly, and the anti-sweat and non-slip design gives you complete control.【Plug and Play 】The keyboard and mouse share a USB receiver, and the code has been completed by default. You only need to insert the receiver and turn on the keyboard and mouse to use it. (Note: If the connection is lost for any reason, you only need to reset the code pairing. Or if it cannot be used for any reason, please contact us in time, we will try our best to solve it.) Product Description How to customize keyboard lighting and FN key？ 1. LED: Turn on/off the backlight o switch the backlight color. 2. FN + LED: Switch between 1-color and 3-color breathing mode. 3. FN + PU/PD: increase/decrease backlight brightness. 4. FN + +/-: Speed up/slow down breathing rate. 5. FN+W: Exchange WASD and arrow keys. 6. FN + WIN: WIN key lock. 7. FN + (F1-F12): 12 multimedia combination keys. Note 1.The keyboard and mouse share only one USB receiver to reduce the number of USB ports, which is located in the bottom of the mouse. (Only when the receiver is plugged in, the lights of the keyboard and mouse will light up) 2. Please fully charge it before the first use, otherwise it will not last as long as expected when it is not fully charged. (Because we didn't fully charge the keyboard/mouse before shipment to ensure transportation safety) 3. No software installation is required before the first use, just plug the USB receiver into the USB port, turn the switch at the bottom of the keyboard to the ON position, and turn the switch on the bottom of the mouse to the ON (no light) or LED (with light) position. 4. There will be a little delay or the lights will not turn on when the keyboard/mouse battery is too low, please charge the keyboard/mouse in time, the charging indicator will go off after full charge. 5. To protect battery life, please use a lower than DC:5V adapter to charge, preferably using the computer's USB port to charge directly. Due to the different currents of different computer USB charging ports, some users may need longer charging time to fully charge. 6. Turning off the keyboard light can extend the battery life of the keyboard moderately. 7. If you can't press "WASD" or "↑↓←→", don't worry, please check if the FN function key is enabled. FN+ "W" key can be used to switch between letter "WASD" keys and arrow "↑↓←→" keys at will. 8.If the keyboard/mouse is not working, they may lose connection with the USB receiver. Please try pairing with the USB receiver again. Pairing steps as following: Make sure the keyboard/mouse fully charged and re-pair with the USB receiver. Mouse pairing steps: Step 1: Turn the switch at the bottom of the mouse to the switch position with the sun logo; Step 2: Press and hold the mouse wheel and right button, the mouse RGB lights start to flash; Step 3: Insert the USB receiver into the computer and the pairing is complete. Keyboard pairing steps: Step 1: Turn on the keyboard switch; Step 2: Press and hold the ESC key and the K key at the same time, the indicator light starts to flash; Step 3: Insert the USB receiver into the computer, and pairing is complete. 9. If you have any problem, please tell us at the first time, we will try our best to solve it. Color Option Black/White/Pink Black White-Gray Black/White Black Black/White Connection Wireless Wireless Wireless Wired Wired Wired Keyboard Keys 104 114 84 61 35 84 Backlight Mode