KUYHRF 3 Mode Bluetooth Wireless Keyboard and Mouse Set, BT/2.4G, 3 Devices Connectable, Shared USB Receiver, Ultra Thin Rechargeable Quiet 78 Keys for PC/Laptop/Tablet/Windows/MacBook/iMac

[Switchable with 3 devices] Using advanced Bluetooth and wireless connection technology, you can connect 3 devices (1 2.4G wireless connection, 2 Bluetooth connections) such as computer/table/smartphone at the same time.Quickly switch between 3 devices by simply pressing F1/F2/F3 buttons for about 3-5 seconds.. [USB Rechargeable & Power Saving Mode] The built-in 180mAh lithium battery can be fully charged in 2 hours. With auto-sleep function, the keyboard will automatically go to sleep after 10 minutes of inactivity. If you want to use it, just press any key and wait about 3 seconds to activate it.The mouse is operated by one AA battery (sold separately). [Thin and Light] The size of the ipad air is 25*18*0.6 cm, and the size of this keyboard is 29.8*13.1*2cm, weighing only 440g. Compact design without numeric keypad that does not take up any space and is very convenient to carry. [Comfortable to use] With chocolate keycaps, scissor foot construction and a comfortable rebound, the keyboard is perfect for long hours of typing. With an ergonomic design, the curved surface of the mouse fits perfectly in the palm of your hand and provides an excellent grip. [Silent Click] Both the keyboard and mouse adopt a silent design, and the sound when hitting the keyboard is reduced by up to 70% compared to a normal keyboard. Both the left and right buttons and the scroll wheel are muted, so you can use it without disturbing anyone. How to use:   The USB receiver is located on the bottom of the keyboard. Connect the USB receiver to your PC First.   Remove the battery cover of the mouse, and put 1 AA battery (not included) inside. 1. 2.4G mode   Press the power switch of the mouse to the 2.4G side (right),the mouse is in 2.4G wireless mode.You can use it after waiting for a while.   Turn on the power switch in the upper right corner of the keyboard (to the left), the indicator flashes blue. The keyboard enters 2.4G mode. You can use it after waiting for a while. (The default mode is F1 2.4G mode) 2. Bluetooth mode   1) Mouse: Press the mouse power switch to the Bluetooth side (left), the indicator will flash blue continuously. The mouse is in Bluetooth pairing mode.   Turn on the Bluetooth on your device and let it search for nearby Bluetooth devices.   After a while, "BT5.2 Mouse" will appear on your device and you can click to connect.   Keyboard: Turn on the power switch, then press the F2 or F3 button on the keyboard for about 3 seconds, the Bluetooth indicator flashes blue light continously, the keyboard is in pairing mode.   Turn on the Bluetooth on your device and let it search for nearby Bluetooth devices.After a while, "Qian Ye Keyboard" will appear on your device and you can click to connect. 3 system language switching: Windows: Alt + Shift, iOS: Ctrl + Space key, Android: Shift+ Space key