I bought it to use with Lenovo Tab M10 2nd Gen. I wasn't expecting the full functionality that often comes with pens, like ignoring palms and the like. However, the pen doesn't seem to register very often. I've tried it on my tablet, phone and several similar devices just to make sure it's not a tablet and nothing. The pen is on and fully charged, but just can't emit the signal it's receiving from the touchscreen. I'd say look at other stylus pens if reliability is a big issue.
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