Touch Screen Stylus Pen Multi-function for School Home Office Electronic Whiteboard Interactive Tablet Replaceable Tip M5TBOOTDTY  Features: brand new and high qualitySuitable for electronic whiteboard presentations, touch screen presentations and multimedia classrooms.Infrared touch pen, capable of touching large screen TV.Support infrared, pressure sensor, optical whiteboard and interactive tablet.High-quality wool felt head. Smoothly writing.Note: This section does not apply to smart phones, tablets and other capacitive screen devices.Specification: Material: ABSColor: Black/Blue/RedSize: Pen Approx.13.5x2.1cm/5.31x0.83in, Tip Diameter Approx.0.8cm/0.31inWeight: Approx.30gPackage Includes: 1 Piece Touch Screen Pennote: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!