1、Adopting six‑axis gyroscope gravity sensing technology, with air mouse function, wireless operation, high sensitivity and stable signal 2、Using 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 1 x Wireless Presenter1 x USB Receiver1 x User Manual Item Type: Wireless Presenter Product Size: Approx. 13.5 x 4 x 3cm / 5.3 x 1.6 x 1.2inNet Weight: Approx. 42.9 g / 1.5 oz (excluding battery weight)Product Material: ABSColor: GrayBattery: Using 2 x AAA batteries (shipped without batteries)Carrier Frequency: 2.420GHz- 2.480GHzNumber of Keys: 10Power Consumption: 3V 10mA, 12mA when the laser light is onProduct List:1 x Wireless Presenter1 x USB Receiver1 x User Manual