I bought this pen to grade student work on the iPad. It works well and is very easy to set up. The battery lasted long enough, but I didn't use it for 5 straight hours like I did with the other pen and tablet. Having to charge it every night wasn't ideal, but doable. It's still cheaper to buy 2 of these pens instead of an apple stylus, so I'd give it a try even if you have to use it all day (get two).
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