Pocket Keyboard Multi System Universal Wireless Bluetooth Mini Portable Keyboard Features: The blue characters on the keyboard are achieved through +buttons, combined with multi-functional buttons. The blue characters on the keyboard are achieved through +buttons Pairing steps: Turn the power on the keyboard to the ON position; Press and hold the button on the Bluetooth keyboard until the indicator light flashes, and turn on the Bluetooth function of the phone/tablet; Search for Bluetooth signals on your phone/tablet, click on the link to see the pairing password 1. The red position indicator light is the power indicator light. 2. The blue position indicator light is the pairing indicator light. 3. The gray position button is the retrieval pairing button Keyboard support devices: mobile phones, tablets, computers; For systems above iOS9: +Spacebar switching, for systems below iOS9: command/win+Spacebar switching; Android system: +Spacebar switch; Windows system: + key switching Compact body, easy to carry, and wide Bluetooth coverage area Product 1x keyboard, 1x charging cable, 1x instruction manual