Specification: Origin: Mainland China Type: Bluetooth-Compatible Wireless Application: Tablet Keyboard Standard: 78 Keys Language: English Operation Style: Capacitive Interface Type: Bluetooth-Compatible  Style: Standard,Ergonomics,Slim,for Tablet,Split Keyboard Package: Yes Backlight Type: MULTICOLOR Standard Bluetooth-Compatible 5.1 interface Effective working distance: 10 meters Modulation method: GFSK Working voltage: 3.0-4.2V Working current: 60 hours Battery life: 3 years Key force: 80 ± 10g Button life: 5 million clicks Working temperature: -10 - +55 degrees Charging method: TYPE-C interface Product size: 295.00x220.00x5.00mm Product size: 11.61x8.66x0.2inch Compatible models: Designed for Compatible with Microsoft Surface Pro 7+ (2021 new version)/Pro 7 (2019 new version)/Pro 6 (2018 new version)/Surface Pro fifth generation (2017 new version)/Seurface Pro 4 12.3 inches/Surface Pro3 2014 12-inch for Windows design with trackpad. Please double check your compatible with Microsoft tablet model Packing: Data cable*1 Keyboard*1 Instruction manual*1 Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement. Included: 1 X Keyboard (Color Specifications Of Your Choice) 1 X Data Cable 1 X Instruction Manual