Features : -Plug and play, and free from installing driver. -2.4G transmission up to 10m. - Voice Search Function:Our air remote mouse built-in microphone which can chat with friends or input words via voice. -Specially designed for Android system to realize human-computer interactions comprehensively. -Applicable to: Smart TV, Android TV box, mini PC, HTPC. -Supports System: Linux, Android 2.x, Android 4.x, Win 2000, Win vista, Win7 32, Win7 64, Win8 32, Win8 64, MAC OS X. IR Learning Function The operation setps of infrared learning function are as follows: 1.In IR mode, press and hold the "TV"keys for 3 seconds. 2.When the red LED light flickers slowly, prompts to enter the IR learning state. 3.The launch tube of the infrared remote control faces the launch tube of the air mouse about 2- 3cm, press the infrared remote control button,when the infrared code value is recongized,the red LED light turns to flash fast. 4.When the red light flashed for 3 seconds, press any button to save(except "TV" button). when the functional storage is completed, the red LED lights turn to slow flash again, and then you can continue to learn. 5.If you dont need to continue learning,press the "TV"keys to quit the IR learning mode. Press the "TV"+"DEL"buttons for 5 seconds, the red LED flashes, the red LED flashes,prompting to restore the factory setting. Specification : - Transmission method: 2.4G RF wireless - Sensors: 6 axis Gyroscope - Number of keys: 34 - Range: >10m / 32.8ft - Material: ABS Plastic and silicone - Size:16*5.5cm*2.5/6.49*2.16*0.98 inch Package included: 1 X Remote Control 1 X USB Receiver 1 X User Manual