Systerm Support 1. for Android OS2. for Mac OS3.for Linux4. for WindowsIR learning function There are 5 buttons which could be programmed to your TV remote keys: 1. Power button -Locate the top2. 4 colors buttonsNote: Please check if your TV remote supports the NEC protocol for learning. IR learning operation as the following steps 1.Long press the "IR" button, indicator light will convert from fast flashing to slow flashing, the Air Mouse to enter IR learning mode.2.After the Air Mouse and TV remote control have been infrared transmitter aligned, press the power button of the TV remote control, then indicator light shall be on, indicating that the Air Mouse has receive the code value that from TV remote control.3.Press Infrared code value reserve storage key of the Air Mouse, the indicator light becomes slow flashing, which means that theAir Mouse has received the code values.4.After the success of learning, you can press "IR" button to exit learning mode.Transmission: 2.4G RF wirelessSensor: 3-Gyro + 3-GsensorNumber of keys: 77Range: Greater than 5mBattery Type: Built in lithium batterySize: 168x55x16MMWeight: 100gColour:blackMaterial:ABSPackage Contents:1 x remote control1 x cableOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.