Usage Tips:This 2.4GHz wireless mouse is a remote control with air mouse and keyboard functions It can provide people with a unique and powerful tool to operate their PCs, Smart TVs, Android TV Boxes, Media Players, Set-Top Boxes, simply by moving them directly in the air Plug and play, support voice control?? Specification: Material: plastic + silicone Main product size: 15.2*4.4*0.9cm/5.98*1.73*0.35in Charging port: Type-C Modulation frequency: 2.4~2.4835GHz Sensor: 3-Gyro + 3-G-sensor Number of keys: 58 Effective distance: 8-10m Battery capacity: 3.7V 250mAh Working current: 33mA Standby current: 25uA Wireless modulation method: GFSK Support system: Android / Windows / for Mac OS / for Linux Applicable device: Android set-top box/smart TV Wireless Communications: Radio Frequency Uses: TV, computer, projector Notes: There may be slight errors in the size measured by hand. Please understand that the deviation of colors may vary due to different monitor settings.