- Full-size folding wireless keyboard with an integrated mouse touchpad and left/right click buttons. Specifically compatible with ZTE NX508J. It features a built-in rechargeable battery that provides up to 48 hours of continuous use and up to 560 days in standby. The design is compact and portable for easy user-friendly interaction. Note: phone holder/stand is not included. - Foldable tri-fold design: an ultra-thin, foldable keyboard that is ideal for travel or business trips. It lets you operate your mobile devices on the go, enabling fast, easy, and error-free typing. Also a good choice for editors. - All Android, PC, Mac, and iOS connection modes: connect the keyboard to any Android, iOS, Mac, or Windows device via wireless Bluetooth. The unit offers long standby time (up to 560 days) and up to 48 hours of continuous use. - Wide and universal compatibility: built with Bluetooth 5.3 technology and supports iOS, Windows, and Android. Note: for desktop PCs or laptops without Bluetooth, a third-party Bluetooth adapter (not included) is required. Folding size: 5.98" x 3.82" x 0.71"