APP/Voice ControlControl your appliances away from anywhere with Tuya app, turning your smartphone into a universal WIFI+ IR remote control.for simple settings to easily voice control your IR equipment. Alexa voice control is also available on the Phone.WiFi IR Universal Remote ControllerOnly Supports controlling infrared devices use fixed codes, not rolling codes; Only supports 2.4GHz Wifi.USB C Port This WiFi IR Universal Remote Controller adopts USB C Port design and can be directly plugged into our designed Type-C interface socket, switch or USB C adapter for power supply. No data cable/battery is required; Comes with USB Data cable, you can connect the WiFi IR Remote to a USB-A adapter, more convenient for you to use.[High compatibility] Wi-Fi smart Universal Remote Controller supports more than 50,000 infrared controlled entertainment and life equipment, such as TVs, set-top boxes, video recorders, DVDs, presenter remote controls, home theater/soundbar/home stereo control, air conditioning ,fan. If there is no available cloud data to match, you can program the remote device and learn the button options. Press and hold the power button until the indicator light flashes (about 30 seconds).[Technical Support] Watch the video to learn how to connect to your phone and how to connect to Alexa. If you have any questions about this project, please contact us We will make it easy for all customers to use this functional device.