Sonoff-C ZBMicro Zigbee USB Smart Adapter | ZBMicro
Sonoff-C ZBMicro Zigbee USB Smart Adapter | ZBMicro
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Sonoff ZBMicro Zigbee USB Smart Adapter | ZBMicro
The SONOFF ZBMicro is a small Zigbee 3.0 adapter that plugs into a USB power adapter and turns the USB device connected to it into a smart device. You can switch it on and off from the eWeLink app, set schedules and timers, and use it in smart scenes. Because it stays powered from the wall, it also works as a Zigbee router that extends your Zigbee mesh network.
It passes USB 2.0 data as well as power, and with a fast-charging adapter it supports up to 36W output.
Color: White
Up to 36W with Charging Schedules: Paired with a QC 3.0 fast-charging adapter, the ZBMicro supports up to 36W (input 5–22V, up to 4.6A). You can set a charging schedule so a phone or other device charges only for the time you choose instead of staying on the charger all night.
Smart Control for USB Devices: Turn USB-powered gadgets such as mini fans, night lights, phones or smart watches on and off from your phone, run them on a timer, or link them to other Zigbee devices in automations. Voice control through Amazon Alexa and Google Home is available via the eWeLink app.
Zigbee Router with Turbo Mode: As a mains-powered Zigbee 3.0 device, the ZBMicro relays signals for other Zigbee devices. SONOFF's Turbo Mode increases its signal strength and coverage, which helps reach sensors in rooms far from the hub.
USB 2.0 Data Pass-Through: The USB Type-A port supports Hi-Speed USB 2.0 data transfer in addition to power, so the adapter is not limited to charging only.
Who it's for / Works with: Anyone with a Zigbee network who wants to automate USB-powered devices or strengthen Zigbee coverage. SONOFF lists these Zigbee hubs: SONOFF ZBBridge, ZBBridge-P, ZBBridge-U, NSPanel Pro and iHost (eWeLink app); Home Assistant via ZHA or Zigbee2MQTT with a SONOFF ZBDongle-P/-E; Amazon Echo (Plus 2nd Gen, Echo 4th Gen, Show 2nd Gen); and Samsung SmartThings Hub V3 / Aeotec V3. It also works with openHAB.
Good to know: A Zigbee hub is required — the ZBMicro does not connect to Wi-Fi on its own. A USB power adapter is not included; 36W output needs a fast-charging (QC 3.0) adapter. For indoor use only.
Technical Specifications
| Specification | ZBMicro |
|---|---|
| Model | ZBMicro |
| MCU | Silicon Labs EFR32MG21 |
| Wireless | Zigbee 3.0 |
| Rating | 5–22V ⎓ 4.6A max |
| Rated power | 36W max (with QC 3.0 adapter) |
| Interface | USB Type-A |
| Data transfer | USB 2.0 |
| Dimensions | 33 × 31 × 26.5 mm |
| Net weight | 17.6 g |
| Casing material | PC |
| Working temperature | -10°C to 40°C |
| Working humidity | 5–95% RH, non-condensing |
| Certifications | CE, FCC, ISED, RoHS |
📄 User manual: Download the official SONOFF ZBMicro user manual (PDF)