Exhibit 1

JOINT FILING AGREEMENT

PURSUANT TO RULE 13d-1(k)

The undersigned acknowledge and agree that the foregoing statement on Schedule 13D is filed on behalf of each of the undersigned and that all subsequent amendments to this statement on Schedule 13D may be filed on behalf of each of the undersigned without the necessity of filing additional joint filing agreements. The undersigned acknowledge that each shall be responsible for the timely filing of such amendments, and for the completeness and accuracy of the information concerning it contained herein and therein, but shall not be responsible for the completeness and accuracy of the information concerning the others, except to the extent that it knows that such information is inaccurate.

Dated: July 16, 2021.

COCHLEAR INVESTMENTS PTY LTD
By:	/s/ Ray Jarman
	Name: Ray Jarman
	Title: Company Secretary
COCHLEAR LIMITED
By:	/s/ Ray Jarman
	Name: Ray Jarman
	Title: Company Secretary