- Full-size folding keyboard with integrated mouse touchpad: A full-size tri-fold keyboard that includes a responsive touchpad and separate left/right click buttons for precise cursor control. Designed to give you desktop-style typing and navigation in a compact, portable form. - Long-lasting rechargeable battery: Built-in rechargeable battery provides up to 48 hours of continuous use and up to 560 days of standby time. Recharge when needed and rely on long battery life during travel or extended use. - Broad device compatibility: Connect via Bluetooth 5.3 to Android, iOS, Mac, and Windows devices, including Samsung SM-A405FN/DS. Works with smartphones, tablets, laptops, and most Bluetooth-enabled devices. Note: desktop PCs or laptops without built-in Bluetooth require a third-party Bluetooth adapter (not included). - Compact, travel-ready design: Tri-fold design folds into a small, pocketable size (folding dimensions: 5.98" x 3.82" x 0.71") while unfolding to a full-size layout for comfortable, accurate typing. Extremely thin and lightweight for easy storage in a bag or briefcase. Phone holder/stand not included. - Who this helps and how it solves problems: - Frequent travelers and remote workers: Replace cramped on-screen keyboards and unreliable public keyboards with a dependable, full-size typing experience wherever you work. - Mobile editors and content creators: Type quickly and accurately on phones or tablets while editing documents, email, or code, and use the touchpad for cursor control without carrying a separate mouse. - Presenters and commuters: Control slides, navigate apps, or respond to messages on the go without sacrificing keyboard comfort. - Key specifications at a glance: - Connectivity: Bluetooth 5.3 - Compatibility: Android, iOS, Mac, Windows (including Samsung SM-A405FN/DS) - Battery: Built-in rechargeable — up to 48 hours continuous use; up to 560 days standby - Design: Full-size tri-fold keyboard with integrated touchpad and left/right click buttons - Folded size: 5.98" x 3.82" x 0.71" - Accessories: Phone holder/stand not included; Bluetooth adapter required for PCs without Bluetooth (not included) - Practical use scenarios: 1) On a business trip: Unfold the keyboard at an airport or hotel to type reports and emails quickly, then fold it back into your bag when you move. 2) Working from a tablet: Pair to your tablet via Bluetooth 5.3 for full-size typing and use the touchpad to edit documents and control apps without an external mouse. 3) Presentations or classes: Use the keyboard to navigate slides and manage notes while staying mobile and switching between devices. This full-size folding keyboard with touchpad combines portability, battery endurance, and wide compatibility to make mobile typing and cursor control practical for travel, remote work, and everyday use. Phone holder/stand and any required third-party Bluetooth adapters are not included.