The Norwii N21 Bluetooth Presentation Clicker is an essential tool for professionals, educators, and speakers. Featuring a unique telescopic teaching pointer, this device allows you to easily highlight key information on physical boards or projection screens. With dual connectivity options via Bluetooth and a 2.4GHz USB receiver, it offers reliable performance with a control range of up to 100 meters. The ergonomic design includes intuitive controls for page navigation, volume adjustment, and black screen functions. Built with a long-lasting 360mAh lithium battery, it provides up to 180 days of standby time on a single charge, making it perfect for frequent use in classrooms and conference rooms.