WA-raised tech startup Humm has raised US$2.6 million (AU$3.7 million) from US-based investors, to further aid in the commercialisation of its wearable Edge headband technology.

WA-raised tech startup Humm has raised US$2.6 million (AU$3.7 million) from US-based investors, to further aid in the commercialisation of its wearable Edge headband technology.