Applicable system: The keyboard size is specially designed for Surfac pro. The keyboard supports all Windows . You can also use this keyboard to pair with other electronic devices with Bluetooth and Windows , but pay attention to if it is used on other devices. The magnetic buckle of this product cannot be matched, it can only be used for Surfac pro; Make Surface pro3/surface Pro4/surface Pro5/surface pro6/surface Pro7 Like a Laptop:The keyboard is physically attached to Surface pro via magnetic like a laptop and the connection is though Bluetooth.After the Bluetooth is connected, mechanical keys and Presspad you like using a laptop.(This keyboard doesn't fit for Surface go) Slim and compact, yet performs like a traditional, full-size keyboard.Functional Media Keys and Presspad: Enjoy the easily control of your Surface pro,with the Presspad and the media hot keys,Keyboard with 7-color backlight night light effect.Charge up in 2 hour and enjoy 95 hours of uninterrupted use.Product Name: Wireless Keyboard / Bluetooth Keyboard.Applicable models: pro3 / surface Pro4 / surface Pro5 / surface pro6 / surface Pro7 Use tutorial:1. Turn on the Bluetooth keyboard holster and push the switch in the lower right corner from [0FF to ON]. At this time, the holster keyboard starts, and the blue light shows off after 3 seconds.2. Then click the [Link key] / [connect key] to it, and the blue light is on and the bluetooth light flashes. 3. Turn on the tablet and find-Settings-Turn on wireless and network-Turn on Bluetooth-Search for nearby devices-[Search the Bluetooth name of the protective case (Bluetooth keyboard)] and click Connect.4. The tablet screen prompts [Bluetooth pairing request (enter the Bluetooth password xxxx to pair ""Bluetooth keyboard"")], enter the number displayed on the screen on the Bluetooth keyboard and press the Enter key, the connection is successful! Bluetooth Keyboard: Mechanical keys and extra- trackpad make surface pro more useful with typing, navigation and control. Bluetooth: American Broadcom solution Features: ABS chocolate key core, using PU leather, high-end atmosphere. Functional characteristics: Fn combined multimedia function Keyboard features: 7-color backlight night light effect Applicable system: The keyboard size is specially designed for pro3 / pro4 / pro5 / Pro6 / Pro7. The keyboard supports all Windows and can be used in many ways; Support protocol: Bluetooth 3.0 / 4.0 / 1.1 Charging interface: connect to the power supply through the USB interface for power supply Lithium battery capacity: 450MAH Working environment temperature: -10- + 55 Celsius Charging time: 2-3 hours Use time: 95 hours Standby time: 60 : 500 million times Bluetooth effective operating distance: 10 meters colour:black Material:PU+ABS size:29.5*22*0.5CM Package Contents: 1 * Wireless Bluetooth Press keyboard 1 * USB charging cable 1 * instruction manual Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.