EXHIBIT 32.1

CERTIFICATION OF CHIEF EXECUTIVE OFFICER AND

CHIEF FINANCIAL OFFICER PURSUANT TO 18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the filing of the Annual Report on Form 10-K (the “Report”) of Cool Holdings, Inc. (the “Company”) for the year ended December 31, 2018, each of the undersigned in his capacity as an officer of the Company, hereby certifies pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

(1) the Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 (15 U.S.C. 78m or 78o(d)); and

(2) the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date: April 16, 2019 |  |  | /s/ Mauricio Diaz
|  |  | Mauricio Diaz,
|  |  | Chief Executive Officer
Date: April 16, 2019 |  |  | /s/ Carlos Alfredo Carrasco
|  |  | Carlos Alfredo Carrasco,
|  |  | Chief Financial Officer