From the manufacturer
The redesigned, detachable Book Cover Keyboard* for Galaxy Tab S7 features an expanded trackpad, larger keys and increased pitch.** This brings a PC-like experience to your fingertips, making it easier to scroll and type. The keyboard’s dedicated function keys and shortcuts expand the power of DeX mode, boosting productivity. *Book Cover Keyboard sold separately. **As compared to Galaxy Tab S6 Book Cover Keyboard. ***Only apps that are optimized for Samsung DeX.