1. FCC ID
  2. R56
  3. R56-FC4002

FCC ID R56-FC4002

Bluetooth Noise Cancelling Over-Ear Headphones

by Guangzhou FiiO Electronic Technology Co., Ltd.

Grantee Code: R56   Product Code: FC4002
Latest application date: 2026-08-14

FCC ID Device Details

FCC IDR56-FC4002
Mirrorsfcc.id | gov | fccid.ai
Grantee CodeR56
Product CodeFC4002
Applicant BusinessGuangzhou FiiO Electronic Technology Co., Ltd. 🇨🇳
Related Domains fiio.com.cn tekfx.com
Equipment ClassBluetooth Noise Cancelling Over-Ear Headphones
Test FirmShenzhen Microtest Co., Ltd.

Operating Frequencies

Frequency RangeApplication PurposeFinal Action Date
2402-2480 MHzOriginal Equipment2026-08-14
2402-2480 MHzOriginal Equipment2026-08-14

Exhibits

DocumentTypeAvailableFile
User manualUsers Manual2026-08-14PDF 254.4 KB
Internal photosInternal Photos2026-08-14PDF 2.6 MB
External photosExternal Photos2026-08-14PDF 1.3 MB
ID label and locationID Label/Location Info2026-08-14PDF 1.2 MB
Test Setup photoTest Setup Photos2026-08-14PDF 536.1 KB
Antenna SpecificationTest Report2026-08-14PDF 279.2 KB
Test report BLETest Report2026-08-14PDF 2.2 MB
Test report BTTest Report2026-08-14PDF 5.3 MB
Attestation StatementAttestation Statements2026-08-14PDF 428.3 KB
Kaspersky StatementAttestation Statements2026-08-14PDF 673.5 KB
Product similarity DeclarationAttestation Statements2026-08-14PDF 71.7 KB
TCB_validation_US_agent_processAttestation Statements2026-08-14PDF 1.3 MB
Us_AgentAttestation Statements2026-08-14PDF 154.2 KB
ConfidentialityCover Letter(s)2026-08-14PDF 473.3 KB
Letter AuthorizationCover Letter(s)2026-08-14PDF 244.9 KB
RF ExposureRF Exposure Info2026-08-14PDF 1.9 MB
Block Diagram Metadata onlyBlock DiagramPDF 396 KB
Schematics Metadata onlySchematicsPDF 774.5 KB
Operational Description Metadata onlyOperational DescriptionPDF 150.8 KB

Application Information

Application IDvMGKxO1Citd3K4l+8Evq5w==
Final Action Date2026-08-14
Application PurposeOriginal Equipment
Applicant FRN0022263586
ModelFC4002
Frequency Range2402-2480 MHz
Equipment ClassDSS - Part 15 Spread Spectrum Transmitter
Device DescriptionBluetooth Noise Cancelling Over-Ear Headphones
Responsible PartyKevin Chen, cxj@fiio.com.cn , 00862062679040
Technical ContactTina Huang, Shenzhen Microtest Co., Ltd, tinahuang@51mti.com , +86-755 88850135
Non-Technical ContactMichael Wang, TekFX Logistics LLC, michael@tekfx.com , 703-665-9588
Test FirmTina Huang, Shenzhen Microtest Co., Ltd., tinahuang@51mti.com , 0755-88850135-1132
TCB Emailelabscert@applus.com
TCB ScopeA4: UNII devices & low power transmitters using spread spectrum techniques
Short-Term ConfidentialityNo
Long-Term ConfidentialityYes
Modular EquipmentDoes not apply
Composite DeviceYes
Cognitive RadioNo
Authorization WaiverNo
Authorization Waiver ApprovedNo
Section 5301 CertificationYes
Related OET Knowledge DataBase InquiryNo

Applications

Application IDDatePurpose
vMGKxO1Citd3K4l+8Evq5w==2026-08-14Original Equipment
AMjnxniDsAjSTcU5gOph6A==2026-08-14Original Equipment

Equipment Authorization

FrequencyOutputRulesGrant Notes
2402-2480 MHz0.002315CCC
2402-2480 MHz0.00115CCC

Grants

TCB Grant - Application vMGKxO1Citd3K4l+8Evq5w==

TCB GRANT OF EQUIPMENT
AUTHORIZATION		 TCB
Certification
Issued Under the Authority of the
Federal Communications Commission
By:

  LGAI Technological Center S.A. (APPLUS)
Ronda de la Font del Carme, s/n <BR>P.O. Box 08193,
Barcelona,
Spain 		Date of Grant: 08/14/2026

Application Dated: 08/14/2026
Guangzhou FiiO Electronic Technology Co., Ltd.
No.21, Longliang Road, Xialiang Village,
Longgui Street, Baiyun District
Guangzhou, Guangdong, P.R.,
China
 
Attention: Kevin Chen , QA Manager

NOT TRANSFERABLE
EQUIPMENT AUTHORIZATION is hereby issued to the named GRANTEE, and is VALID ONLY for the equipment identified hereon for use under the Commission's Rules and Regulations listed below.
 
FCC IDENTIFIER:  R56-FC4002
Name of Grantee:  Guangzhou FiiO Electronic Technology Co., Ltd.
Equipment Class: Part 15 Spread Spectrum Transmitter
Notes: Bluetooth Noise Cancelling Over-Ear Headphones
Grant Notes  FCC Rule Parts Frequency
Range (MHZ) 		Output
Watts 		Frequency
Tolerance 		Emission
Designator
CC 15C 2402.0  -  2480.0 0.0023  

Output power listed is conducted.

CC: This device is certified pursuant to two different Part 15 rules sections.

TCB Grant - Application AMjnxniDsAjSTcU5gOph6A==

TCB GRANT OF EQUIPMENT
AUTHORIZATION		 TCB
Certification
Issued Under the Authority of the
Federal Communications Commission
By:

  LGAI Technological Center S.A. (APPLUS)
Ronda de la Font del Carme, s/n <BR>P.O. Box 08193,
Barcelona,
Spain 		Date of Grant: 08/14/2026

Application Dated: 08/14/2026
Guangzhou FiiO Electronic Technology Co., Ltd.
No.21, Longliang Road, Xialiang Village,
Longgui Street, Baiyun District
Guangzhou, Guangdong, P.R.,
China
 
Attention: Kevin Chen , QA Manager

NOT TRANSFERABLE
EQUIPMENT AUTHORIZATION is hereby issued to the named GRANTEE, and is VALID ONLY for the equipment identified hereon for use under the Commission's Rules and Regulations listed below.
 
FCC IDENTIFIER:  R56-FC4002
Name of Grantee:  Guangzhou FiiO Electronic Technology Co., Ltd.
Equipment Class: Digital Transmission System
Notes: Bluetooth Noise Cancelling Over-Ear Headphones
Grant Notes  FCC Rule Parts Frequency
Range (MHZ) 		Output
Watts 		Frequency
Tolerance 		Emission
Designator
CC 15C 2402.0  -  2480.0 0.001  

Output power listed is conducted.

CC: This device is certified pursuant to two different Part 15 rules sections.