1、Adopting six‑axis gyroscope gravity sensing technology, with air mouse function, wireless operation, high sensitivity and stable signal 2、Using 2.4G wireless technology, effective use distance up to 15 meters 3、Built‑in laser head, multi‑function button, with PPT page turning function, combination of gravity sensor and RF wireless technology 4、Built‑in USB interface, plug and play, simple operation and convenient use, and laser indication function 5、Ergonomic design, surface UV paint treatment, smooth and durable 6、Using the most advanced RF technology, micro‑power transmission, harmless to the human body, green, healthy and environmental protection Item Type: Wireless Presenter Product Size: Approx. 13.5 x 4 x 3cm / 5.3 x 1.6 x 1.2in Net Weight: Approx. 42.9 g / 1.5 oz (excluding battery weight) Product Material: ABSColor: Gray Battery: Using 2 x AAA batteries (shipped without batteries)Carrier Frequency: 2.420GHz-2.480GHz Number of Keys: 10 Power Consumption: 3V 10mA, 12mA when the laser light is on Product List: 1 x Wireless Presenter 1 x USB Receiver 1 x User Manual 1 x Wireless Presenter 1 x USB Receiver 1 x User Manual