It is a wise choice to buy one product but you can enjoy multiple functions. This product supports 3-in-1 function which includes air mouse, wireless keyboard and infrared remote control. Special anti-lost design is an appealing feature of this product. You just need to press the search button at one end of the USB receiver and the remote control will make a sound. Made of ABS high quality material, it is durable and reliable to use. 6-axis inertial sensor has the ability to sense the speed and the change of the direction. It is easy to operate and type owing to its backlight function and touch control panel. The length of this product is 19.2cm, the width is 5.3cm and the height is 1.7cm. It is compatible for Android, for Windows, for Linux and it is suitable for HTPC, smart TV, for Android TV box, laptop, projector, etc. Our product support voice input function and infrared learning function, in addition, it can achieve 2.4G wireless connection, plug and play with the USB receiver. Item Name: Air Mouse Material: ABS Operating Range: Up to 10m Transmission & Control: 2.4GHz RF Wireless Battery: Built-in 3.7V 500mAh Rechargeable Battery(Included) Compatible Systems: for Android, for Windows, for Linux Applicable Devices: HTPC, Smart TV, for Android TV Box, Laptop, Projector, etc Features: 2.4G, Plug Play, 3-in-1 Function Size Details: 19.2cm x 5.3cm x 1.7cm/7.56" x 2.09" x 0.67" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Air Mouse 1 x Data Cable 1 x USB Receiver 1 x User Manual