Description
Sonoff Micro smart adapter, USB control over WiFi, 5V / 2.5A, eWeLink compatible
Sonoff Micro is a smart USB adapter with WiFi control, designed to turn any USB-powered device into a smart gadget. Ideal for USB fans, LED strips, desk lamps, charging devices or other small appliances, giving you full control from the eWeLink app – anytime, anywhere.
Turn ordinary USB into smart USB
Switch the connected USB device on and off over the internet, directly from the eWeLink mobile app (Android/iOS).
Scheduling and automation
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Smart scheduling – set automatic on/off times
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Switch-off when fully charged – prevents overcharging of phones or other devices
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Smart scenes – create automated actions together with other Sonoff products
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LAN control – the device can also be controlled without an internet connection, over the local network
Voice control & sharing
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Compatible with Amazon Alexa and Google Assistant
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Gives other family members access for shared control
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Shows the real-time status in the app: on/off
Plug & play, compact design
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Simple connection between the power source and the device's USB cable
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Small, portable format – perfect for home, office or travel
Important note:
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Supports only the BC 1.2 charging protocol
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For charging: maximum 1A
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For general control: maximum 5V / 2.5A
Practical use cases
- Turns a USB fan or a USB-powered desk lamp on and off from the eWeLink app.
- Schedule a USB LED strip to switch on automatically in the evening and switch off at a fixed time.
- Cuts power to the phone after charging, to prevent overcharging (max 1A when charging, BC 1.2 protocol).
Technical specifications:
| Model | Sonoff Micro (MICRO) |
| Input power | DC 5V / 2.5A (USB type A - male) |
| Output | DC 5V / 2.5A (USB type A - female) |
| Max. charging output | 1A (BC 1.2 protocol) |
| Connectivity | WiFi 2.4GHz, IEEE 802.11 b/g/n |
| Local control | LAN support without internet |
| Housing material | Flame-retardant PC V0 |
| Dimensions | 38 × 33 × 52 mm |
| Compatibility | eWeLink, Amazon Alexa, Google Home, SmartThings |
Control your USB devices from anywhere with Sonoff Micro – the smart, portable adapter that adds automation and safety to any 5V-powered gadget!
