True wireless headphones

MMD Hong Kong Holding Limited - Original Equipment

Units 1208-11, 12th Floor, C-Bons International Center, 108 Wai Yip Street, Kwun Tong, Kowloon


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Listed Certified Devices

Brand Device Name Model Type Certification Date
MMD Hong Kong Holding Limited True wireless headphones TAT3559 FCC ID 2025-04-16
FCC Application Details
EquipmentTrue wireless headphones
FRN0028068138
Grantee Code2AR2S
Product CodeTAT3559
Applicant BusinessMMD Hong Kong Holding Limited
Business AddressUnits 1208-11, 12th Floor, C-Bons International Center, 108 Wai Yip Street, Kwun Tong, Kowloon, Hong Kong, N/A China
TCB ScopeA4: UNII devices & low power transmitters using spread spectrum techniques
TCB Email[email protected]
ApplicantTomas Guan – Safety & Approbation Manager
Applicant Phone
Applicant Fax86-755-26634642
Applicant Email[email protected]
Applicant MailStop
Test FirmHwa-Hsing (Dongguan) Testing Co., Ltd.
Test Firm ContactDavid Chen
Test Firm Phone
Test Firm Fax
Test Firm Email[email protected]
Certified ByTomas Guan –

Further Details May Be Available From: fcc.id/2AR2STAT3559 or fcc.report/FCC-ID/2AR2STAT3559


DescriptionExhibit TypeFile TypeDisplay TypeFile SizeSubmission DateDate Available

Document 8205250
Mirror: FCCID.io - 8205250
Authority Letter
Cover Letter(s)Adobe Acrobat PDFpdf81.39 K2025-04-162025-04-16

Document 8205249
Mirror: FCCID.io - 8205249
Label Location
ID Label/Location InfoAdobe Acrobat PDFpdf2.23 M2025-04-162025-04-16

Document 8205248
Mirror: FCCID.io - 8205248
FCC SDOC Attestation letter
Attestation StatementsAdobe Acrobat PDFpdf162.37 K2025-04-162025-04-16

Document 8205247
Mirror: FCCID.io - 8205247
US AGENT Letter
Attestation StatementsAdobe Acrobat PDFpdf149.11 K2025-04-162025-04-16

Document 8205246
Mirror: FCCID.io - 8205246
Declaration on model difference
Cover Letter(s)Adobe Acrobat PDFpdf87.73 K2025-04-162025-04-16

Document 8205245
Mirror: FCCID.io - 8205245
Confidentiality Letter
Cover Letter(s)Adobe Acrobat PDFpdf114.39 K2025-04-162025-04-16

Document 8205244
Mirror: FCCID.io - 8205244
Attestation Statements 2.911 d 5
Attestation StatementsAdobe Acrobat PDFpdf185.29 K2025-04-162025-04-16

Document 8205243
Mirror: FCCID.io - 8205243
Antenna Specification
Test ReportAdobe Acrobat PDFpdf593.04 K2025-04-162025-04-16

Document 8205242
Mirror: FCCID.io - 8205242
RF Exposure
RF Exposure InfoAdobe Acrobat PDFpdf593.5 K2025-04-162025-04-16

Document 8205241
Mirror: FCCID.io - 8205241
BT Test Report
Test ReportAdobe Acrobat PDFpdf3.41 M2025-04-162025-04-16

External Photos
External PhotosAdobe Acrobat PDF1.36 M2025-04-162025-10-13

FCC SDOC Attestation letter
Attestation StatementsAdobe Acrobat PDF162.37 K2025-04-162025-04-16

BT Test Report
Test ReportAdobe Acrobat PDF3.41 M2025-04-162025-04-16

RF Exposure
RF Exposure InfoAdobe Acrobat PDF593.5 K2025-04-162025-04-16

Label Location
ID Label/Location InfoAdobe Acrobat PDF2.23 M2025-04-162025-04-16

Authority Letter
Cover Letter(s)Adobe Acrobat PDF81.39 K2025-04-162025-04-16

Declaration on model difference
Cover Letter(s)Adobe Acrobat PDF87.73 K2025-04-162025-04-16

Confidentiality Letter
Cover Letter(s)Adobe Acrobat PDF114.39 K2025-04-162025-04-16

Attestation Statements 2.911 d 5
Attestation StatementsAdobe Acrobat PDF185.29 K2025-04-162025-04-16

US AGENT Letter
Attestation StatementsAdobe Acrobat PDF149.11 K2025-04-162025-04-16

Internal Photos
Internal PhotosAdobe Acrobat PDF1.28 M2025-04-162025-10-13

User Manual_TAT3559
Users ManualAdobe Acrobat PDF1.57 M2025-04-162025-10-13

User Manual_TAT2520
Users ManualAdobe Acrobat PDF2.57 M2025-04-162025-10-13

Test Setup Photos
Test Setup PhotosAdobe Acrobat PDF533.64 K2025-04-162025-10-13

Block Diagram
Block DiagramAdobe Acrobat PDF44.02 K2025-04-16

Schematic Diagram
SchematicsAdobe Acrobat PDF98.96 K2025-04-16

Operation Description
Operational DescriptionAdobe Acrobat PDF178.63 K2025-04-16

Antenna Specification
Test ReportAdobe Acrobat PDF593.04 K2025-04-162025-04-16

Related FCC IDs: