Features: 1. Elegant and ergonomic design. Lightweight and easy to hold and use.  2. Operate smoothly with advanced gyroscope and professional anti-shake algorithms.  3. 2.4G wireless technology seamlessly connects up to 10m from device.  Specifications Acceleration sensor: 6 axis gyroscope.  Communication: 2.4Ghz.  Working distance: 10m.  Frequency: 2.400-2.483G.hz.  Working current: <<20mA.  Standby curent: <<20uA.  Battery: Rechargeable lithium battery.  Indicator: 1 LED indicator.  Product size: 151x45x14mm.  Receiver size: 18.58x14.59x6.7mm.  USB: USB2.0.  System: Compatible for Windows, for MacOS, for Linux, Android.  Note: Working distance will be affected by obstructing objects such as walls.  Usage instructions.  Plug the USB nano receiver into the USB port. The system will automatically install the driver software.  and the air mouse will be ready for use.  Control the mouse curor on the device by moving the mouse in the air. The exact movement of the mouse controls the direction of the pointer.  Note: You can turn the mouse pointer off by pressing the "Turn off mouse" button. Press again to resume using the gyro function.  Package included 1 x Keyboard 1 x USB Receiver 1 x USB Charging Cable 1 x User Manual