Waterproof touch screen pen USB, one side is a capacitive pen, which is convenient for you to use on your tablet

On the other side is a ball pen for everyday writing.

The pen cover is USB, USB 2.0 interface, you can choose the capacity, there are 8GB, 16GB, 32GB, 64GB

Hardware requirements with USB interface, PC, laptop, MAC operating system windows98 / ME / 2000 / XP / 7, Mac OS9.X / Mac OS Linux2.4, no external power supply

Applicable models: Windows 7, Windows 8, Windows 10, Windows XP, Linux 2.4.x, Mac OS9.x / Mac OS X