- Full-size folding wireless keyboard with built-in mouse touchpad: compatible with Videocon Challenger V40DF. Built-in rechargeable battery delivers up to 48 hours of continuous use and up to 560 days in standby. Includes left and right mouse click buttons. Very convenient and portable mini size for user-friendly interaction. Phone holder/stand not included. - Foldable tri-fold design: extremely thin and foldable; ideal for travelers or business trips. Lets you operate mobile devices on the go with fast, easy, and error-free typing. Also a good choice for editors. - All Android, PC, Mac, iOS connection modes: connect via Bluetooth to any Android, iOS, Mac, or Windows device. Long standby time (up to 560 days) and up to 48 hours of continuous use. - Wide and universal compatibility: Bluetooth 5.3 technology supports iOS, Windows, Android, and Mac. Note: desktop PC or laptop without Bluetooth requires a third-party Bluetooth adapter (not included). Folding size: 5.98" x 3.82" x 0.71". - Use scenarios: ideal for travel and business trips, on-the-go editing or typing with mobile devices, and compact desk setups where space is limited.