Feature:1. Scope of Application: For Surface Go keyboard is designed for Microsoft Surface Go 3 (2021), for Surface Go 2 (2020), for Surface Go (2018) tablets2. USB C Rechargeable: The keyboard is rechargeable via USB C. The built in rechargeable lithium battery can be used for 100 hours of continuous use after 3 hours of charging. Standby for 100 days per full charge3. Wireless BT Connection: Wireless keyboard uses wireless BT4.0 technology to provide high speed connectivity and up to 33 feet/10 meters signal range4. Convenient and Practical: The magnetic BT keyboard can be used connected or detached and offers two typing angles. Lightweight and portable, keyboard automatically enters sleep mode after 10 minutes of inactivity5. Ergonomic Design: Scissor switch keyboard and ergonomic design bring you a pleasant typing experience. Supports up to 3 million keystrokes per key, with built in touchpadSpecification:Item Type: For Surface Go KeyboardProduct Material: ABS,PUBattery Type: Lithium Ion Battery 402030 (built in)Battery Capacity: 350 MahSuitable For: For Microsoft Surface Go 3 (2021), for Surface Go 2 2020, for Surface Go 2018, Keyboard Support Full Win SystemSupport Protocol: BT3.0, BT4.0, BT1.1Wireless Distance: About 10meters/10.9ydCharging Interface: USB CFunctionality Features: FN Combination Multimedia FunctionFeatures: ABS Chocolate Key Core, PU Leather.Package List:1 x For Surface Go Keyboard1 x Power Supply Cable1 x User ManualNote:Shipped with Built in Battery