TL;DR: Innr Zigbee light works with Home Assistant.
The long version:
As with any other Zigbee light, there are two ways to connect it with Home Assistant:
Pair the innr light with a Zigbee hub that is supported by HA. For example, innr works fine with the hue bridge which integrate well with HA.
Connect an external Zigbee antenna with the raspberry pi, use ...