Date: 7 October 2019 Certification Body Unit 3, Horizon Wade Road Kingsland Business Park Basingstoke Hampshire RG24 8AH United Kingdom Subject: Certification Application, Cover Letter FCC: BCGA1991 IC: 579C-A1991 To whom it may concern:
During the process of certification testing of the device, model number: A1991, different software versions were used. Bluetooth:
19A449 18F98 The differences between the above stated firmware versions do not impact the regulatory testing. Sincerely, ___________________ Stuart Thomas Apple Inc. EMEIA Engineering Manager sthomas5@apple.com v1.0 One Apple Park Way Cupertino, California 95014 USA www.apple.com