1.Compatibility: The bluetooth type cover is designed for Microsoft Surface Pro 7 Plus (2021) / Pro 7 (2019)/ Pro 6 / Pro 5 (Pro 2017) / Pro 4 / Pro 3 12.3 ' Touch-Screen Tablet ONLY. Please check your tablet models before purchase. (This is QWERTY Keyboard for English systems only.) 2.Comfortable for Use: Ergonomic Surface Pro replacement keyboard with scissor-switch design brings you a pleasing typing experience. Slightly spread-out keys bring a more familiar and efficient typing experience that feels like a traditional laptop. Each key sustains up to 3 million keypress times. 3.Easy Control: Equipped with a sensitive trackpad, you can achieve precise control and operation easily, having no need to take your hands off the keyboard. Navigate windows easily with shortcut keys. (Note: Please peel off the protective film before using.) 4.Working Time: With a built-in 180mAh rechargeable Lithium battery, this wireless keyboard can work for over 20 hours after being fully charged.