Item Name: For Microsoft Surface Go 1st 2nd Generation Bluetooth 3.0 Tablet Laptop Keyboard. Product DescriptionProduct presentation:Applicable models: Microsoft surface Go (first generation, second generation)Bluetooth: Broadcom solutionFeatures: ABS chocolate key core, using PU leather, high-end atmosphere.Features: Fn combined multimedia functionApplicable system: The keyboard size is specially designed for Microsoft Surfac Go. The keyboard supports all Windows systems and can be used in many ways Support protocol: Bluetooth 3.0/4.0/1.1Connect the power supply through the USB interface for power supplyLithium battery capacity: 350Working environment temperature: -10- +55Charging time: 2-3 hoursUse time: 95 hoursStandby time: 60 daysButton life: 500 million timesEffective operating distance: 10 metersUse 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 is activated, and the blue light will turn off after 3 seconds.2. Then press the [Link key]/[connect key] next to it, then the blue light is on, and the Bluetooth light is flashing.3. Turn on the tablet, find-Settings-Turn on wireless and network-Turn on Bluetooth-Search nearby devices-[Search for the Bluetooth keyboard name of the protective case (Bluetooth keyboard)] and click Connect.4. The tablet screen prompts [Bluetooth pairing request (input 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!Probably Package Size:38*25*1.5cm 465gPackage list:1*Bluetooth keyboard1*Data cable1*Instruction