you miss any device out when your list of devices continues to grow? For example, USB small devices like LED light strip, USB desktop fan, USB desktop lamp, USB water pump and more.Today, introduces a USB smart adaptor with 5V input and output makes your USB devices smart as as provides and security when you charge USB devices. your USB devices with it and you will control connected USB devices via eWeLink APP or and Google Home.small size as your USB adaptor, easy for you to take it anywhere around the world to charge.size: 45 x 30.5 x 26mmMaterial: PCcolour: WhitePackage Contents:1 x Wireless USB Smart AdaptorOnly the above package content, other products are not included.Note: Light reflection and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.