Description <br> Features: English intelligent Voice Control Adapter 5V USB Socket Suitable for USB Lights, fan, etc. <br> Supports English voice control only; not support other languages. Voice commands include: “Open device,” “Close device,” “A little faster,” “Slow down,” “Open the light,” “Close the light,” “Close the light,” and “Dim the light.” <br> USB male input, USB female output, supports devices with 5V2A,not support data transmission <br> Convenient and quick, supports adjusting the brightness of USB lights and the speed of fan <br> Mainly used for USB fan, USB lights, humidifiers, water pumps, USB ceiling fan, and various other USB 5V devices. Not support controlling devices with batteries <br> Can be power by USB adapters, car chargmh, power adapters, and other USB power sources <br> <br> Specifications: Component：: Plastic + Metal <br> Size:about 4.5x3.5x1.7cm/1.77x1.37x0.66in <br> Power: 5V2A 10W <br> Connection: USB English voice control adapter Socket <br> <br> Package Includes: 1pc USB English voice control switcher <br> <br> note: Please allow 1-2cm errors due to manual measurement. <br> Please allow for slight color differences due to different display resolution. <br>