1. [Ergonomic Design] Unique curved design, the wireless presenter remote conforms to ergonomic principles, ensuring comfort during extended use. 2. [Wireless Connection] Utilizes 2.4GHz wireless technology, allowing reliable remote control of presentations up to approximately 10 meters. 3. [Multi Functions] Comprehensive slide presentation controls, including forward, back, pause, start, and black screen functions. 4. [Wide Application] Ideal for teachers, professionals, and presenters in meetings, classrooms, lectures, and business presentations. 5. [Wide Compatibility] Compatible with Windows 98, Windows ME, Windows 2000, Windows XP, Vista, and macOS X. Item Type: Presentation Clicker Control Distance: Up to 10m (Approx. 10m / 10.9yds) Adapter Battery: 1 x AAA Battery (Battery not included) Compatible Interface: USB 1.0 / USB 2.0 Uses: Conferences, Lectures, Presentations Compatible System: Windows 98, Windows ME, Windows 2000, Windows XP, Vista, macOS X Color: Black Material: Plastic Package Contents: 1 x Presentation Clicker 1 x Wireless Receiver Note: Light reflection and different display settings may cause slight variations between the image and the actual item. Measurement may vary by +/- 1-3cm.