BK18 Foldable Bluetooth Keyboard - Ultra portable design you can rely on The BK18 foldable keyboard weighs 7.47 oz and includes a carrying bag, making it easy to carry in a bag or backpack. Its foldable form delivers a compact footprint for on-the-go efficiency. - Built-in touchpad and numeric keypad for quick work A dedicated touchpad and a numeric keypad are integrated into the keyboard, enabling fast navigation and data entry. This makes multitasking across laptops, tablets, and smartphones smooth and convenient. - Long battery life for uninterrupted use Enjoy extended standby performance with up to 180 days of standby time. The portable keyboard supports you through long study sessions, library visits, cafe work, and travel without frequent recharges. - Multi-device Bluetooth connectivity Pair with up to 3 devices at once via Bluetooth and switch between them with ease. Compatible with Windows, Mac OS, iOS, and Android. Note: Not compatible with iPad mini. - Practical use scenarios 1) Students and professionals on the move: type notes and documents on tablets or laptops during commutes or in class, then fold and carry it in your bag. 2) Remote work and travel: work from cafes, libraries, or hotel desks by connecting to a phone, tablet, or laptop, with quick device switching for multitasking. 3) Flexible productivity on the go: use the built-in touchpad for navigation and the numeric keypad for data entry when you need a portable secondary keyboard.