Shenzhen Sowak Electronic Co., Ltd. Letter of Authorization Company: Shenzhen Sowak Electronic Co., Ltd. Address: No.88, Jinkang Road, Jinsha Coummunity, Kengzi Street, Pingshan, Shenzhen, China Product name: TWS LIGHT UP EARBUDS Trade name: Vivitar Model name: V40056W-TWS FCC Identifier: 2AS3I-V40056W We authorize MiCOM LabsInc, 575 Boulder Court, Pleasanton, California94566, USA, to act on our behalf on all matters concerning the above named equipment. Any individual within MiCOM Labs is authorized to act on our behalf and take action on the application. We declare that MiCOM LabsInc, 575 Boulder Court, Pleasanton, California 94566, USA, is allowed to forward all information related to the approval project to the Federal Communication Commission and to discuss any issues concerning the approval application. Any and all acts carried out by MiCOM Labs on our behalf shall have the same effect as acts of our own. Name: Mr Yi Zhang Title: General Manager Date: Nov. 20, 2019 Signature of applicant: