1. FCC ID
  2. 2AXV7
  3. 2AXV7-X21
  4. 18_X21 Models Difference Declaration r1

X21 Bone Conduction Headphones Cover Letter(s) - FCC ID 2AXV7-X21

FCC ID 2AXV7-X21

18_X21 Models Difference Declaration r1

Bone Conduction Headphones

by DongGuan Kemi Electronics Technology Co., Ltd

Document preview loads when visible.

Document Details

FCC ID2AXV7-X21
Document ID9043552
Document TypeCover Letter(s)
Description18_X21 Models Difference Declaration r1
ApplicantDongGuan Kemi Electronics Technology Co., Ltd
Equipment ClassBone Conduction Headphones
Product CodeX21
Application IDsGKayIM2bfd02ZNWsvN1Ww==
Application PurposeOriginal Equipment
Application Date2026-01-30
Frequency Range2402-2480 MHz
FRN0037387255
Test FirmShenzhen DL Testing Technology Co., Ltd.
Certified ByTiantang Chai
Short-Term ConfidentialityNo
Long-Term ConfidentialityNo
Modular EquipmentDoes not apply
Composite DeviceNo
Submitted2026-01-30
Available2026-01-30
Created2026-01-26
Modified2026-01-28
Pages1
File TypeAdobe Acrobat PDF
File Size118944
File SHA-25656a39f6e50d6dd799d64ce227790033486f784ad1d278c28d3727ada16d243dd
PDF Metadata ProducerMicrosoft® Word 2016 Microsoft® Word 2016
FCC.gov SourcesFCC.gov 9043552

Related FCC Exhibits

DocumentTypeAvailableFile
13_X21 Users ManualUsers Manual2026-01-30PDF 4.3 MB
09_X21 Internal PhotosInternal Photos2026-01-30PDF 1.3 MB
08_X21 External PhotosExternal Photos2026-01-30PDF 1.3 MB
07_X21 Label Sample and LocationID Label/Location Info2026-01-30PDF 77.3 KB
15_X21 Test Setup PhotosTest Setup Photos2026-01-30PDF 727.4 KB
14_X21 Test Report DSSTest Report2026-01-30PDF 5 MB
16_X21 Antenna SpecificationTest Report2026-01-30PDF 1.2 MB
02_X21 Covered Equipment Certification Attestation Letter-R1Attestation Statements2026-01-30PDF 117.7 KB
03_X21 U.S. Agent Designation Attestation Letter-R1Attestation Statements2026-01-30PDF 146.6 KB
04_X21 Authorization-Agent-R1Cover Letter(s)2026-01-30PDF 316.3 KB
05_X21 Authorization-CT-R1Cover Letter(s)2026-01-30PDF 15.5 KB
06_X21 Long-Confidential Request-R1Cover Letter(s)2026-01-30PDF 128.2 KB
18_X21 Models Difference Declaration r1Cover Letter(s)2026-01-30PDF 116.2 KB
17_X21 RF Exp InfoRF Exposure Info2026-01-30PDF 139 KB
11_X21 Block Diagram Metadata onlyBlock DiagramPDF 59.5 KB
12_X21 Schematics Metadata onlySchematicsPDF 62.9 KB
10_X21 Operational Description Metadata onlyOperational DescriptionPDF 123.5 KB