The Sonoff Mini is the most popular device Sonoff offered. Making a Zigbee version was a no brainer. And they did!
Sonoff ZBMINI Review Blakadder's Smarthome Shenanigans
A new twin in town! Sonoff ZB Mini - yes Mini got the ZigBee treatment [ review]
SONOFF ZBMINIL2 No Neutral Zigbee Smart Switch Review
Sonoff ZBMINI is in town! - NotEnoughTech
Sonoff MINIR3 has a new protocol - NotEnoughTech
A new twin in town! Sonoff ZB Mini - yes Mini got the ZigBee treatment [ review]
Customer reviews: SONOFF ZBMINI ZigBee Mini Smart Light Switch(2 Way), Works with Alexa, SmartThings Hub, Google Home&SONOFF ZBBridge, ZigBee Hub Required, Neutral Wire Required
Sonoff ZBMINIL2 Extreme No Neutral Zigbee Smart Switch Review
Finally, a Sonoff ZB Mini that works without neutral (new ITEAD product) : r/homeautomation
Sonoff ZBMINI Review Blakadder's Smarthome Shenanigans
SONOFF ZBMINIL2 No Neutral Zigbee Smart Switch Review