1. FCC ID
  2. 2AI28
  3. 2AI28-AESEB3

FCC ID 2AI28-AESEB3

Bluetooth Earbuds

by Klein Tools Inc.

Grantee Code: 2AI28   Product Code: AESEB3
Latest application date: 2026-04-29

FCC ID Device Details

FCC ID2AI28-AESEB3
Mirrorsfcc.id | gov | fccid.ai
Grantee Code2AI28
Product CodeAESEB3
Applicant BusinessKlein Tools Inc. 🇺🇸
Related Domains kleintools.com
Equipment ClassBluetooth Earbuds
Test FirmCentre Testing International Group Co., Ltd

Operating Frequencies

Frequency RangeApplication PurposeFinal Action Date
2402-2480 MHzOriginal Equipment2026-04-29

Exhibits

DocumentTypeAvailableFile
LabelID Label/Location Info2026-04-29PDF 901.6 KB
PackageID Label/Location Info2026-04-29PDF 5.3 MB
Antenna specification LTest Report2026-04-29PDF 1.2 MB
Antenna specification RTest Report2026-04-29PDF 1.3 MB
SAR test reportRF Exposure Info2026-04-29PDF 1.9 MB
Test report appendix L part1Test Report2026-04-29PDF 4.7 MB
Test report appendix L part2Test Report2026-04-29PDF 4.7 MB
Test report appendix L part3Test Report2026-04-29PDF 3 MB
Test report appendix R part1Test Report2026-04-29PDF 4.7 MB
Test report appendix R part2Test Report2026-04-29PDF 4.7 MB
Test report appendix R part3Test Report2026-04-29PDF 3.2 MB
Test report part1Test Report2026-04-29PDF 4.8 MB
Test report part2Test Report2026-04-29PDF 4.8 MB
Test report part3Test Report2026-04-29PDF 2.7 MB
Attestation statements part 2.911(d)(5)(i) filingAttestation Statements2026-04-29PDF 161.5 KB
Attestation statements part 2.911(d)(5)(ii) filingAttestation Statements2026-04-29PDF 157 KB
US agent letterAttestation Statements2026-04-29PDF 102.2 KB
Confidentiality letterCover Letter(s)2026-04-29PDF 126.8 KB
Declaration of label sizeCover Letter(s)2026-04-29PDF 152.6 KB
POA letterCover Letter(s)2026-04-29PDF 158.9 KB
Appendix A SAR System performance Check PlotsRF Exposure Info2026-04-29PDF 353.8 KB
Appendix B SAR Measurement results PlotsRF Exposure Info2026-04-29PDF 511.3 KB
Appendix C Calibration reportsRF Exposure Info2026-04-29PDF 3.2 MB
User manual Metadata onlyUsers Manual2026-10-26PDF 956.6 KB
Internal photos Metadata onlyInternal Photos2026-10-26PDF 1.6 MB
External photos Metadata onlyExternal Photos2026-10-26PDF 1.7 MB
SAR test report photos Metadata onlyTest Setup Photos2026-10-26PDF 732.6 KB
SAR test setup photos Metadata onlyTest Setup Photos2026-10-26PDF 1.6 MB
Test setup photos Metadata onlyTest Setup Photos2026-10-26PDF 1.8 MB
Block diagram Metadata onlyBlock DiagramPDF 68.2 KB
Schematics Metadata onlySchematicsPDF 467.3 KB
Operation description Metadata onlyOperational DescriptionPDF 59.1 KB

Application Information

Application ID72ZLdRtDcAZ3WNCE9kmBaw==
Final Action Date2026-04-29
Application PurposeOriginal Equipment
Applicant FRN0025719949
ModelAESEB3
Frequency Range2402-2480 MHz
Equipment ClassDSS - Part 15 Spread Spectrum Transmitter
Device DescriptionBluetooth Earbuds
Responsible PartyRussell Goldmann II, rgoldmann@kleintools.com , 847-821-3305
Non-Technical ContactRussell Goldmann II, Klein Tools Inc., rgoldmann@kleintools.com , 847-821-3308
Test FirmVicky Zhou, Centre Testing International Group Co., Ltd, zhoushuping@cti-cert.com , 86-755-3368-1398
TCB EmailTEI@timcoengr.com
TCB ScopeA4: UNII devices & low power transmitters using spread spectrum techniques
Short-Term ConfidentialityYes
Long-Term ConfidentialityYes
Modular EquipmentDoes not apply
Composite DeviceNo
Cognitive RadioNo
Authorization WaiverNo
Authorization Waiver ApprovedNo
Section 5301 CertificationYes
Related OET Knowledge DataBase InquiryNo

Applications

Application IDDatePurpose
72ZLdRtDcAZ3WNCE9kmBaw==2026-04-29Original Equipment

Equipment Authorization

FrequencyOutputRules
2402-2480 MHz0.005915C

Grants

TCB Grant - Application 72ZLdRtDcAZ3WNCE9kmBaw==

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

  IIA Lab Services, LLC
13146 NW 86th Drive Suite 400
Alachua, FL 32615
Date of Grant: 04/29/2026

Application Dated: 04/29/2026
Klein Tools Inc.
450 Bond Street
Lincolnshire, IL 60069
 
Attention: Russell Goldmann II , Product Safety Engineering Director

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:  2AI28-AESEB3
Name of Grantee:  Klein Tools Inc.
Equipment Class: Part 15 Spread Spectrum Transmitter
Notes: Bluetooth Earbuds
Grant Notes  FCC Rule Parts Frequency
Range (MHZ) 		Output
Watts 		Frequency
Tolerance 		Emission
Designator
15C 2402.0  -  2480.0 0.0059  

Output Power listed is the maximum conducted output power. This device must not be co-located or operating in conjunction with any other antenna or transmitter, except in accordance with FCC multi-transmitter product procedures, or as evaluated in this filing. Maximum recorded SAR 0.287W/kg