.4G Pen, 800 1200 1600 CPI Pen Shaped Stylus , Optical Vertical for sMARTphones

CPI : 800 / 1200 / 1600. Handwriting design : Humanized key design, easy to grasp, comfortable to use when sitting angles, without. Support : for 7 / 10 / Vista / XP / 2000, for Android, for Linux.

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