H7 pen package info

Hello. in my ubook X package i have found the H7 pen chuwi. Anyone could give me info about it? i found together the pen, 2 parts for the pen, ok, but also a sort of ring open in steele. what is the function for this? thanks a lot

Pretty sure the steel ring can be used to more easily pull the tip from the stylus so you can replace it. AFAIK the H7-pen is identical to the H6-pen but uses AAAA-batteries instead of a built-in rechargeable battery.

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ohhhhh…YOU ARE THE MAN!!!
great!!! thanks for this simple but PERFECT explanation