1、Wireless ultra‑thin Bluetooth full‑size portable folding keyboard with independent numeric keypad area. 2、There is a standard keyboard keycap size, smoothly input and input, and a standard small numeric keyboard, which meets people's needs for digital input and processing. 3、Supporting for IOS / Android / Windows 3 systems smart phones and tablets. 4、Maintain business‑level efficiency through smartphones or tablets, and bid farewell to the compact mobile phone screen keyboard. 5、Strict quality control and quality assurance, high safety factor, can be used with peace of mind. 1 x Keyboard1 x User Manual 1 x Charging Cable Item Type: Folding Bluetooth KeyboardWorking Distance: Approx. 10meter / 32.8ftBuilt-in Battery: 180mAhWorking Voltage: 3.2- 4.2VWorking Current: ＜ 3mAStandby Current: ＜ 0.5mASleep State: About 20 minutesHow to Use: 1. Turn on the power switch, the blue indicator light will light up, press the button, the Bluetooth keyboard will enter the pairing condition, and the blue indicator light will keep flashing. 2. Turn on the power of the device and select the settings icon on the screen, click it to enter the system preference list. 3. Click the Bluetooth icon to enter the device Bluetooth search criteria. 4. In the device Bluetooth search, you can find  keyboard, click it to connect. 5. After the device is successfully connected to the Bluetooth keyboard, you can start typing with the keyboard for free.Packing List: 1 x Keyboard1 x User Manual1 x Charging CableSize: Approx. 35.8 x 10cm / 14.1 x 3.9inFloding Size: Approx. 10 x 17.8 x 1.8cm / 3.9 x 7 x 0.7in