Compatibility: for iPad Pro 11' 4th Gen 2022 (Model: A2759 A2435 A2761 A2762), iPad Pro 11' 3rd Gen 2021 (Model: A2377 A2459 A2301 A2460), iPad Pro 11' 2nd Gen 2020 (Model: A2228 A2068 A2230 A2231). Not compatible with any other model device. Detachable & Adjustable: Designed to hold your tablet hands so you can focus on work, reading, or watching videos. The connection range is up to 10 meters. The tablet protective case can be adjusted to different angles according to your needs, providing a more comfortable usage experience. Auto Sleep/Wake Function: Automatically sleep or wake when the lid is closed or opened, reducing energy consumption and prolonging device longevity. Also delivering a soft and comfortable touch. Battery Life: At least 120 hours of continual working time and 120 days of standby time on a full charge, which means you only need to charge the device 34 times throughout a whole year. Note: Please charge the keyboard for about 3 hours before first use. Use scenarios: Work or study: use as a hands stand with a keyboard to type documents, emails, or notes in the office, home, or cafe. Entertainment: watch videos or read content with adjustable angles for a comfortable viewing position. Travel or class: long battery life and flexible setup make it convenient for onthego use, in lectures, or during commutes.