FCC ID: 2AVIT-TW400R ANC Wireless Earbuds

by: Earfun Technology (HK) Limited latest update: 2023-07-17 model: TW400R

Two grants have been issued under this FCC ID on 07/17/2023 (this is one of six releases in 2023 for this grantee). Public details available include internal & external photos, manuals, and frequency information. some products also feature user submitted or linked password defaults, warrantee terms, troubleshooting guides, drivers, & instructions.
permalink for this FCC identifier
search for: Repair details
from iFixIt
Replacement
on Amazon
Trade-in? Recycling locations
eg is reader-supported. when you buy through links on our site, we may earn an affiliate commission.
|
|
|   
eg for Slack usage
app s submitted / available
1 2 User Manual Part 1 Users Manual pdf 4.82 MiB July 17 2023
1 2 User Manual Part 2 Users Manual pdf 3.90 MiB July 17 2023
1 2 Internal Photos Internal Photos pdf 1.59 MiB July 17 2023
1 2 External Photos External Photos pdf 1.37 MiB July 17 2023
1 2 Label & Label Location ID Label/Location Info pdf 1.25 MiB July 17 2023
1 2 2.911 (d)(5)(i)(ii) Attestation Statement Attestation Statements pdf 131.09 KiB July 17 2023
1 2 Antenna Specification Test Report pdf 521.41 KiB July 17 2023
1 2 Block Diagram Block Diagram pdf July 17 2023 confidential
1 2 Circuit Description Operational Description pdf July 17 2023 confidential
1 2 FCC Agent Authorization Letter Cover Letter(s) pdf 27.53 KiB July 17 2023
1 2 FCC Long-term Confidential Request Cover Letter(s) pdf 116.52 KiB July 17 2023
1 2 Label Placement Cover letter Cover Letter(s) pdf 462.39 KiB July 17 2023
1 2 RF Exposure RF Exposure Info pdf 103.96 KiB July 17 2023
1 2 Schematics Schematics pdf July 17 2023 confidential
1 2 Test Report Test Report pdf 775.31 KiB July 17 2023
1 2 Test Setup Photos Test Setup Photos pdf 135.21 KiB July 17 2023
1 2 US Agent Attestation Letter Attestation Statements pdf 90.17 KiB July 17 2023
1 2 User Manual Part 1 Users Manual pdf 4.82 MiB July 17 2023
1 2 User Manual Part 2 Users Manual pdf 3.90 MiB July 17 2023
1 2 Internal Photos Internal Photos pdf 1.59 MiB July 17 2023
1 2 External Photos External Photos pdf 1.37 MiB July 17 2023
1 2 Label & Label Location ID Label/Location Info pdf 1.25 MiB July 17 2023
1 2 2.911 (d)(5)(i)(ii) Attestation Statement Attestation Statements pdf 131.09 KiB July 17 2023
1 2 Antenna Specification Test Report pdf 521.41 KiB July 17 2023
1 2 FCC Agent Authorization Letter Cover Letter(s) pdf 27.53 KiB July 17 2023
1 2 FCC Long-term Confidential Request Cover Letter(s) pdf 116.52 KiB July 17 2023
1 2 Label Placement Cover letter Cover Letter(s) pdf 462.39 KiB July 17 2023
1 2 RF Exposure RF Exposure Info pdf 103.96 KiB July 17 2023
1 2 Test Report Test Report pdf 775.31 KiB July 17 2023
1 2 Test Setup Photos Test Setup Photos pdf 135.21 KiB July 17 2023
1 2 US Agent Attestation Letter Attestation Statements pdf 90.17 KiB July 17 2023

frequency equipment class purpose
1 2023-07-17 2402 ~ 2480 DTS - Digital Transmission System Original Equipment
2 2402 ~ 2480 DSS - Part 15 Spread Spectrum Transmitter

Application Forms

app s Applicant Information
1 2 Effective 2023-07-17
1 2 Applicant's complete, legal business name Earfun Technology (HK) Limited
1 2 FCC Registration Number (FRN) 0029085636
1 2 Physical Address FLAT/RM A 9F,SILVERCORP INTERNATIONAL TOWER
1 2 HONG KONG, N/A
1 2 Hong Kong
app s TCB Information
1 2 TCB Application Email Address b******@baclcorp.com
1 2 TCB Scope A4: UNII devices & low power transmitters using spread spectrum techniques
app s FCC ID
1 2 Grantee Code 2AVIT
1 2 Equipment Product Code TW400R
app s Person at the applicant's address to receive grant or for contact
1 2 Name R******** D******
1 2 Telephone Number +8615********
1 2 Fax Number +8618********
1 2 E-mail r******@earfunaudio.com
app s Technical Contact
n/a
app s Non Technical Contact
n/a
app s Confidentiality (long or short term)
1 2 Does this application include a request for confidentiality for any portion(s) of the data contained in this application pursuant to 47 CFR § 0.459 of the Commission Rules?:Yes
1 2 Long-Term Confidentiality Does this application include a request for confidentiality for any portion(s) of the data contained in this application pursuant to 47 CFR § 0.459 of the Commission Rules?:No
if no date is supplied, the release date will be set to 45 calendar days past the date of grant.
app s Cognitive Radio & Software Defined Radio, Class, etc
1 2 Is this application for software defined/cognitive radio authorization?No
1 2 Equipment ClassDTS - Digital Transmission System
1 2 DSS - Part 15 Spread Spectrum Transmitter
1 2 Description of product as it is marketed: (NOTE: This text will appear below the equipment class on the grant)ANC Wireless Earbuds
1 2 Related OET KnowledgeDataBase Inquiry: Is there a KDB inquiry associated with this application?No
1 2 Modular Equipment TypeDoes not apply
1 2 Purpose / Application is forOriginal Equipment
1 2 Composite Equipment: Is the equipment in this application a composite device subject to an additional equipment authorization?Yes
1 2 Related Equipment: Is the equipment in this application part of a system that operates with, or is marketed with, another device that requires an equipment authorization?Yes
1 2 Grant CommentsPower listed is conducted.
1 2 Power listed is conducted
1 2 Is there an equipment authorization waiver associated with this application?No
1 2 If there is an equipment authorization waiver associated with this application, has the associated waiver been approved and all information uploaded?No
app s Test Firm Name and Contact Information
1 2 Firm Name CHINA CERTIFICATION ICT CO., LTD (DONGGUAN)
1 2 Name T**** O********
1 2 Telephone Number 0086 ********
1 2 E-mail q******@ccttt.com.cn
Equipment Specifications
Line Rule Parts Grant Notes Lower Frequency Upper Frequency Power Output Tolerance Emission Designator Microprocessor Number
1 1 15C 2402.00000000 2480.00000000 0.0020000
Line Rule Parts Grant Notes Lower Frequency Upper Frequency Power Output Tolerance Emission Designator Microprocessor Number
2 1 15C 2402.00000000 2480.00000000 0.0030000

 

some individual PII (Personally Identifiable Information) available on the public forms may be redacted, original source may include additional details

 

  This product uses the FCC Data API but is not endorsed or certified by the FCC