Product features: 7-section retractable hands, durable, portable, retractable, and retractable. | Material: Stainless steel. Shrinkage length: 200mm / 7.87''. Extended time: approx. 1000mm / 39''. | New design: replaceable contact head. Made of fiber material, it has a soft touch and improves sensitivity, making your operation smoother. | Comfortable non-slip matte handle that is sturdy when fully opened and does not shake. | Applicable to traditional blackboards, electric whiteboards, will not damage the screen. Provide sufficient space for teachers, lectures, speeches, commanders, explanatory members, etc. to effectively deliver critical information during presentations or teaching. However, please note that this pointer only supports tablets, mobile phones, and capacitive touch screens.