Features: This 2.4GHz wireless mouse is remote controller with the function of mouse in the air- and keyboard functions. Plug-play, it supports voice control-. It can provide people unique and capable tool to operate their PC, TV Box, media player, set-top box etc With voice assistant and -IR learning functions, easy operation and more convenient. Built-in rechargeable battery, auto sleep and save energy Specifications: Item Name: 2.4G Wireless Keyboard Remote Controller Color: Black Material: Plastic+Silicone Main Item Size: As Pictures 5.9x1.7x0.4in Charging-Port: MicroUSB Modulation Frequency: 2.4~2.4835GHz The Sensor: 3-Gyro 3-Gsensor Remote Distance: 8-12m Item Type: Standard/ Laser- version Package Includes: 1x Wireless Keyboard- 1x USB Receiver 1x User Manual note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-2mm error due to manual measurment.