Compatibility Designed for Samsung Galaxy Tab S9 Plus 12.4' (2023 Release) — models X810 / X816B / X818U. Please check your tablet model before . Key benefits Turns your tablet into a laptopstyle setup so you can type, work, read, or watch videos with hands convenience. Protects the tablet while providing an adjustable viewing angle for comfortable typing and media consumption. Long battery life and auto sleep/wake preserve power so you can rely on the keyboard for extended periods. Features Detachable magnetic wireless keyboard: easily attach or remove the keyboard as needed; wireless connection range up to 10 m. Adjustable protective case: supports multiple viewing angles to suit typing, reading, or media viewing. Auto sleep/wake: multiple builtin magnets put the tablet to sleep when the lid closes and wake it when opened to reduce power use. Durable construction: reinforced hinge for reliable angle adjustment and longterm use; case protects the tablet from scratches, dirt, and stains and has a soft, comfortable touch. Performance and battery Battery runtime: at least 100 hours of continuous operation on a full charge and up to 100 days standby. Charging: charge approximately 3 hours before first use. Typical use frequency means you may only need to recharge the keyboard 3–4 times per year. Materials and build Protective case with reinforced hinge provides structural support and reliable protection without adding unnecessary bulk. Softtouch finish for comfortable handling; materials resist everyday wear and keep the tablet clean. Practical use scenarios Business travel: type documents and emails on the go with laptopstyle comfort while protecting your tablet in transit. Home office or study: set the tablet at a comfortable angle for long typing sessions, notetaking, or video calls. Media and leisure: switch quickly between watching movies and typing notes or messages without removing the case. What's included / Notes Detachable magnetic wireless keyboard and adjustable protective case designed specifically for Galaxy Tab S9 Plus 12.4' (X810/X816B/X818U) 2023 Release. Reminder: verify your tablet model before and charge the keyboard for about 3 hours before first use.