This product is either discontinued or we cannot get that from suppliers.
Brydge BRY4032 MAX+ Wireless Keyboard, Wireless Connectivity Bluetooth 5.0, Touchpad, Maximum Battery Life 3 Months (Operating), Aluminum, Plastic, Black.
The MAX+ Bluetooth Keyboard and Case from Brydge. Designed for the 4th generation iPad Air and 1st, 2nd, and 3rd generation 11" iPad Pro, this backlit, full-sized keyboard and case combination.