T his keyboard with a built-in Bluetooth 5.0 chip can be paired with up to 3 devices and can switch between them by pressing one key. It is compatible with Windows, Android, iOS, MacOS systems, and can support most mobile phones, tablets and computers. It has a folding trackpad which supports multi-touch gestures to make your work very convenient. It also has a detachable magnetic cover that not only protects the keyboard from dust and splashes, but also converts into a stand to support your phone or tablet. It has a built-in 250mAh rechargeable lithium battery, using USB-C fast charging can fully charge the keyboard in 2 hours, after it is fully charged, it can work continuously for 31 hours, if not working at all, the standby time is 400 hours.