Product name: Three-system universal Bluetooth keyboard Working distance: 10 metersKeyboard weight: 300gKeyboard layout: 78 keysSleep time: 10 minutesWake-up method: press any key to wake upPower supply: two AAA batteriesKeycap material: ABS+PC laser materialSystem switching method: FN+Q/FN+W/FN+EInput method switch: command+spacebarConnection method: directly connect to various devices with BluetoothFashionable and thin, finely carved and polished. 10M transmission, Bluetooth wireless connection. Quiet and comfortable, X scissors structure. Perfectly compatible with 99% digital equipment. 30 days long standby time. 5.5mm ultra-thin body. The three systems can be switched quickly. Independent switch design on the back, keyboard switch and Bluetooth switch.Connection tutorial:1. Turn on the power switch and the Bluetooth switch on the back of the keyboard, and the indicator light turns blue and flashes.2. Turn on the Bluetooth function of the mobile phone/tablet/laptop/desktop computer that needs to be connected, and then search, the keyboard is named "Bluetooth Keyboard".3: A pop-up window asks to enter the PIN code, directly enter the number 4 as prompted on the Bluetooth keyboard, and then press the Enter key to connect successfully.