Leather Case: The combination of leather cover and keyboard, makes your tablet be a laptop for convenient carrying and using Wood texture surface adds more sparkles to the case Multi-angle adjustment, with grooves on the bottom, can set the support stable Easy-open clasp, open and close with the side magnetic clasp Keyboard: It is made of high-quality material, strong and durable, and has a long service life Three colors backlight design, adds more fun to your working and studying life Wireless Bluetooth 5.0 connection, easy to use and wide compatibility, stable connection 200mAh battery capacity, enough for daily use Ultra-thin and lightweight design, portable and compact Specifications: Bluetooth: Bluetooth 5.0 Effective connecting distance: 10 meters Modulation method: GFSK Working voltage: 3.7-4.0V Working current: <8mA Standby current: <0.3mA Sleep current: <50uA Charging current: >200mA Standby time: >100 days Charging time: 2-3 hours Lithium battery capacity: 200mAh Sustainable working hours: not less than 30 hours Lithium battery life: 3 years Button force: 80±10g Button life: 5 million clicks Working temperature: -10 - +55℃ Charging port: Type-C interface Compatible with: Microsoft Surface Go/Go 2/Go 3