USI Stylus Pen for Lenovo USI Pen Chromebook GX81B10212,USI Pen for Lenovo Duet 5/ Flex 5 Chromebook, 4,096 Levels Pressure Pen for Lenovo 300E Gen 3 Chromebook

Chrome OS Support (USI Protocol), No Battery included. For 1.0 version.
Palm Rejection: just rest your hand comfortably on screen without control, it won't affect the writing function. Also works well on any screen protector, and no bluetooth pairing required.
High Sensitivity:4096 levels of pressure sensitivity.Precise touch and control.This Pen allows you to make quick notes,draw or edit.
4096 Precision Pressure Sensitivity: Use it just like a common regular pen, all depends on how hard you press the stylus pen to decide the thickness of your line drawing.
Works with Chromebook, including Chromebook GX81B10212,Chromebook C550-13, Duet Chromebook, 10e Chromebook; see description for additional compatible models. 1.0 version.

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