Telescopic Stylus Material: Metal, Silicone, Flocking Size Details: Before Telescoping: 15.5cm / 6.1inch Total Length: 55cm / 21.6inch Diameter: 1.3cm / 0.51inch The pointer for classroom is suitable for teaching, conference training, speeches, lectures, museum explanations, and other applications. Universal Pointer for Touch Screens: Our Telescopic Stylus Pen works with all capacitive touch screen devices, including Android devices, interactive whiteboards, tablets, and more. This product is ideal for use at home, in the office, at school, or in any household environment. No need to use touch screen gloves in cold weather. Highly Precise Flocking Tip: Designed with a high-sensitivity flocking tip, this hand pointer is compatible with tablets, electric whiteboards, and other touch screen devices. Offers better anti-scratch protection and responsive interaction with the screen. Frees your fingers and enables smooth writing and flexible clicking. Retractable Design: Enjoy tactile pleasure and a comfortable grip during daily use thanks to the triangular barrel design. The inner stainless-steel structure extends up to 21.6 inches (55cm), enabling remote screen control for classroom teaching, multimedia presentations, and project meetings. Color: Black Material: Plastic + Metal Package Contents: 1 x Stylus Pen Note: Light reflection and differences in display screens may cause slight variations in color between the image and the actual item. Measurement allows an error of +/- 1-3cm.