1. [Delicate touch] The matte texture is integrated with molding to prevent hand sweating and detachment, making it a skin friendly material. 2. [Accurate pointing] At a distance of 100 meters, with high-definition precise pointing, the highlighted red dots remain stable and do not flash, guiding the focus of of sight and indicating the key points of the content. 3. [Integrated receiver] Adsorbed to the bottom of the demonstrator, for storage and easy removal. 4. [Power Display] Digital display model, with built-in digital power display, real-time viewing of power consumption, timely charging, Type-C charging port, fast charging. 5. [Widely compatible] Supports operating systems such as For 7 and above, For Android, and supports stable page flipping in multiple office formats. 6. [Applicable scenarios] Work reports, academic speeches, teaching speeches, etc. Control distance: 100m Battery capacity: 180mah Working voltage: 3.7v : For XP/7/8/9/10 For OS/For Linux Android Colour:black Material:ABS Package Contents: 1 * Wireless Turning Pen 1 * Charging Cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.