Here is another typewriter inspired keyboard for your iOS, Android, Windows, and MacOS devices. The Rocksete Mechanical Keyboard can pair to 3 devices at the same time. It has a JBL speaker built-in to deliver 360-degree audio. It comes dynamic light effects. This keyboard supports wired and wireless connections.
This mechanical keyboard has a stand built-in for your smartphone or tablet. Its dual-mode keyboard has responsive Blue Switch keys that lets you type faster. You can find out more about it here.