Specification: Origin: Mainland China Type: Bluetooth-Compatible Wireless Application: Laptop,Tablet Keyboard Standard: 78 Keys Language: English Operation Style: Capacitive Interface Type: Bluetooth-Compatible Style: Standard,Ergonomics,Slim,For Laptop,for Tablet,Split Keyboard ...Specification: Origin: Mainland China Type: Bluetooth-Compatible Wireless Application: Laptop,Tablet Keyboard Standard: 78 Keys Language: English Operation Style: Capacitive Interface Type: Bluetooth-Compatible Style: Standard,Ergonomics,Slim,For Laptop,for Tablet,Split Keyboard Product model: FT-2098D Applicable models: Compatible with Microsoft surface pro8/9/10/X Features: ABS chocolate key core, new electroplating leather pressing process, using PU leather, high-end atmosphere. Functional features: Fn combination multimedia function Supported protocol: Bluetooth-Compatible 3.0/4.0/5.0 Powered by connecting to the power supply through the Type-c interface Lithium battery capacity: backlight 450/250 Working environment temperature: -10- +55 Charging time: 2-3 hours Usage time: 95 hours Standby time: 60 days Key life: 500 million times Effective operating distance: 10 meters