ATTACK SHARK x ZIYOU LANG M88 Mechanical Keyboard, Wireless Bluetooth 5.02.4Ghz with Receiver, Hot-Swap, Tenkeyless, 87-Key Compact Design, AAA

Technical Standards Compliance Certificate Number: 219-249332 [Dual-Mode 2.4 GHz and Bluetooth 5.0] This wireless keyboard is equipped with an upgraded wireless Bluetooth chip, providing a stable, low-latency connection for a truly wireless experience. Unlike wired mechanical keyboards, it can simultaneously connect three wireless devices. Press Fn+Q to switch to 2.4 GHz wireless mode, and Fn+W/E to switch to Bluetooth mode, allowing two Bluetooth devices to be connected simultaneously. [88-Key Layout] The TKL mechanical keyboard features a compact 88-key layout, but is equipped with a set of directional keys and commonly used control keys for practicality. The keycaps provide a good feel, and the characters are more durable. [Dual Receivers and Smart Auto Sleep] This wireless keyboard features dual receivers and works with Type-C or USB-A devices, compatible with PCs, laptops, tablets, and mobile phones. No drivers are required, just plug and play and enjoy 33 feet of wireless freedom. The keyboard automatically enters sleep mode after 30 minutes of inactivity, and any key press will wake the keyboard. (The keyboard uses two AAA batteries, not included.) [Hot-Swap & Quiet Red Switches] The hot-swap PCB allows you to freely replace switches without welding. It supports only 3-pin key switches, allowing you to customize your typing experience. Compared to tactile key switches, the linear red switch provides a quieter and more fluid typing experience, making it ideal for open office workers or those who play games all night. Unlike film keyboards, mechanical keyboards have a longer lifespan and are less prone to accidental touches. [No Backlight and Ergonomic Design] The combination of intelligent power-saving and no-backlight design allows the keyboard to last for up to 6 months. The keyboard's ergonomic design helps relieve pressure on your hands and arms during extended use. Compatible with Windows XP/7/8/10/11 and Mac operating systems, it's suitable for laptops, PCs, and MacBooks. 2.4G connection: Short press FN + Q to enter 2.4G wireless mode; the red indicator will flash slowly. Forcing a code: Open the power switch, then long press FN + Q for 3 seconds. The USB receiver will automatically be inserted into the code; the indicator will flash red and the code success indicator will go out. Bluetooth Connection: Bluetooth 1: Short press FN + W, the indicator light will turn red, and click the Bluetooth name M88BT-1 to select connection. Bluetooth Pairing Method: Turn on the power switch, hold Fn + W for 3 seconds, the indicator light will flash red, and the keyboard will enter Bluetooth pairing mode. Once pairing is successful, the indicator light will go out and you can use it. Bluetooth 2: Short press FN + E, the indicator light will turn red, and click the Bluetooth name M88BT-2 to select Bluetooth Code Connection Method: Turn on the power switch, hold Fn + E for 3 seconds, the indicator light will flash red quickly, the keyboard will enter Bluetooth pairing mode, the pairing indicator will go out and you can use it. If the indicator continues to flash, you can reconnect the keyboard using the above connection method and restart it.