product description:1. Color: black， white， blue， red， purple， yellow2. Keyboard Material: brushed grain processing， high-end atmosphere， high-quality plastic material PCBA board. .3. Keyboard design: The keyboard perfect intimate design， near-perfect process， the keys feel super good， operation is very convenient.4. Keyboard in line with international safety standards of environmental protection plastic keyboard， dustproof， waterproof， scratch-resistant， high-quality， high-performance， cost-effective. Instructions:A. Turn on the power switch， power indicator lightII. Short press "Connect" (matching keys)， Bluetooth pairing light flashes rapidly， this time is in a Bluetooth keyboard connected to the IPD.III. Open ipd， click "Settings" icon，On the "Settings" button， click "General" item， enter the Bluetooth settings， tap "Bluetooth" to open the connection， ipd will automatically search for available Bluetooth devices.IV. Discovering Bluetooth keyboard， click "Connect"V. Bluetooth keyboard to type the password displayed on the screen.VI. Keyboard connection is successful， the code indicator is off， the power indicator light will be long until the power is turned off.Charging issues1， when the battery is lower than the operating voltage， the power light starts flashing， indicating the keyboard to be charged.2， the machine is equipped with a Micro USB cable USB-B access the keyboard charging interface. USB-A connector to the power adapter or computer USB port3， charging， power indicator (red) long bright indication when charging is complete the power indicator light turns off， unplug the USB charging cable.4， energy-saving sleep mode