SONOFF Micro – 5V Wireless USB Smart Adaptor Features: 【Plug And Play, Smart In Seconds】SONOFF Micro USB smart adaptor makes your ordinary USB devices smart. The eWeLink APP enables you to control all SONOFF devices anywhere with one tap via iOS & Android smartphones, with no distance limitation. 【Hands-free Voice Control】SONOFF smart WiFi USB adaptor is compatible with Amazon Alexa ( Amazon Echo/Echo Dot/Amazon Tap), Google Home Assistant, SmartThings and Alice. It allows you to use your voice to control home USB devices and enjoy a hands-free experience. .