Voice InputPress the voice button on the remote control to search for the channel you want to see, easy and convenient to use. With built-in High Fidelity microphone which can chat with friends or input words via voice. Please note that the Voice Search Function doesn't work like Alexa Voice Remote, it cant across app. Only works for the built-in voice input search box or apps. Bluetooth and Wireless ConnectionOur remote control has two connection modes: 2.4G wireless and Bluetooth 5.0. You can control more devices.(2xAAA battery not included) Convenient to UseBuilt-in 6-axis Gyroscope,the air remote can sense the change of the direction and speed so you can move directly in the air to control it.The backlight can easily operate the remote control at night. 2-button infrared learning can replace your old infrared remote control. Widely CompatibleApplicable 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.