Picking up an iPhone or iPad to get work done on the go is nice. But you are going to be more productive with a keyboard. The Microsoft Universal Mobile Keyboard can help. It is designed for the iPad Air 1/2, iPad Mini 1/2, and Android devices. You can switch between operating systems easily. The battery is good for up to 6 months. You also get an integrated smartphone and tablet stand to use your device conveniently. Sets you back about $70 or so.