1. Compatibility The keyboard measures 11.6 x 8.54 x 0.23 inches, slightly larger than the Surface Pro 7 (11.5 x 7.9 x 0.33 inches), which is similar in size to the official keyboard. Exclusively designed for Surface Pro 7 Plus (2021) or Pro 7 (2019) or Pro 6 or Pro 5 (Pro 2017) or Pro 4 or Pro 3 touchscreen tablets. The ultrathin keyboard is stylish, compact, and lightweight, delivering the same performance as a traditional fullsize keyboard. 2. Comfortable Typing Scissorswitch keys and ergonomic design ensure a comfortable typing experience. Each key withstands up to 3 million keystrokes. Equipped with an integrated touchpad for precise control and operation. Press FN F simultaneously to activate the touchpad. 3. DualAngle Adjustment Featuring magnetic mounting strips and a nonslip keyboard back, you can securely adjust the keyboard to two different angles for more comfortable typing and viewing. 4. Rechargeable Battery Powered by a builtin 250mAh rechargeable lithium battery, this wireless keyboard operates for over 60 hours after a full charge.