How to Use: 1. After turning the power switch to the ON position, the power indicator light will be on for 3 seconds, the BT indicator will start to flash, and the BT keyboard will automatically enter the pairing mode. 2. Turn on and unlock the for OS tablet, and tap the "Settings" icon. 3. In the settings menu, click the "BT" menu. 4. Turn on the BT switch, press the Fn+C keys on the keyboard at the same time, the light flashes to start pairing. 5. Discover the BT keyboard device: BT Keyboard, and click it, the BT keyboard will automatically connect. 6. After the BT connection is successful, the pairing indicator will be off, and the device will be displayed as "connected" in the BT device list. Specification: Item Type: Touch Wireless Keyboard Material: ABS Standby Time: > 100 Days Effective Operating Distance: within 10 Meters Charging Time: 2-3 Hours Modulation Method: GFSK Working Voltage: 3.0-4.2v Working Current: <8mA (when the Touchpad is Working) Standby Current: <0.3mA Button Strength: 80+10g Sleep Current: <40uA Button Life: 3 Million Clicks Charging Current: 100mA Working Temperature: -10℃ to +55℃ Built-in Lithium Battery Capacity: 280mah Lithium Battery Life: 1 Year Package List: 1 x Touch Wireless Keyboard 1 x USB Charging Cable 1 x Chinese and English User Manual