MoKo Microsoft Surface Pro 4 / Pro 3 / Surface Pro 2017 Type Cover, Slim Wireles     eatures: ABS chocolate core, PU voltage leather, atmosphere Function features: Fn combined multimedia function Application: For Microsoft Surface Pro3/Pro4/Pro5 tablet Power supply via USB interface Lithium battery capacity: 350mah Operating environment temperature: -10 — +55° Charging time: 4-5 hours (the first charge should be fully charged for 8 hours) Use time: 100 hours Standby time: 120 days Key life: 500 million times Effective operating distance: 10 m Tutorial: 1. Turn ON the bluetooth keyboard case and push the switch from OFF to ON. At this moment, the keyboard of the case starts and the blue light displays for 3 seconds before turning OFF. 2. Then press [Link] / [connect] next to it, and the blue light will come on, and the bluetooth light will flash. 3. Open the tablet and find – Settings – turn on wireless and network – turn on bluetooth – search nearby bluetooth devices – [search to the bluetooth keyboard name and click connect 4.[bluetooth pairing request (input bluetooth password XXXX to pair “bluetooth keyboard”)] input the number displayed on the screen and click enter key, and the connection is successful.Package Included:1 x bluetooth keyboard