Feature 1Adopting six‑axis gyroscope gravity sensing technology, with air mouse function, wireless operation, high sensitivity and stable signal 2Using 2.4G wireless technology, effective use distance up to 15 meters 3Builtin laser head, multifunction button, with PPT page turning function, combination of gravity sensor and RF wireless technology 4Builtin USB interface, plug and play, simple operation and convenient use, and laser indication function 5Ergonomic design, surface UV paint treatment, smooth and durable 6Using the most advanced RF technology, micropower transmission, harmless to the human body, green, healthy and environmental protectionSpecificationItem Type: Wireless PresenterProduct 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 .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Wireless Presenter1 x USB Receiver1 x User Manual