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FCC ID: 2AN4C-TWE7B True Wireless Earbuds

by: Shenzhen Grandsun Electronic Co., Ltd. latest update: 2021-10-17 model: TWE7B

Two grants have been issued under this FCC ID on 10/17/2021 (this is one of eight releases in 2021 for this grantee). Public details available include frequency information, internal & external photos, and manuals. some products also feature user submitted or linked instructions, drivers, password defaults, warrantee terms, & troubleshooting guides.
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app s submitted / available
1 2 Packaging Users Manual pdf 5.11 MiB October 17 2021 / April 16 2022 delayed release
1 2 User Manual Users Manual pdf 3.52 MiB October 17 2021 / April 16 2022 delayed release
1 2 Interanal photo Internal Photos pdf 1.56 MiB October 17 2021 / April 16 2022 delayed release
1 2 External photo External Photos pdf 639.88 KiB October 17 2021 / April 16 2022 delayed release
1 2 Label placement reason letter ID Label/Location Info pdf 168.20 KiB October 17 2021
1 2 Authorization Letter Cover Letter(s) pdf 649.30 KiB October 17 2021
1 2 Confidentiality Letter Cover Letter(s) pdf 201.40 KiB October 17 2021
1 2 Declaration Letter Cover Letter(s) pdf 960.04 KiB October 17 2021
1 2 RF Exposure Report RF Exposure Info pdf 334.53 KiB October 17 2021
1 2 Test Report Test Report pdf 3.44 MiB October 17 2021
1 2 Test Setup Photo Test Setup Photos pdf 375.52 KiB October 17 2021 / April 16 2022 delayed release
1 2 Packaging Users Manual pdf 5.11 MiB October 17 2021 / April 16 2022 delayed release
1 2 User Manual Users Manual pdf 3.52 MiB October 17 2021 / April 16 2022 delayed release
1 2 Interanal photo Internal Photos pdf 1.56 MiB October 17 2021 / April 16 2022 delayed release
1 2 External photo External Photos pdf 639.88 KiB October 17 2021 / April 16 2022 delayed release
1 2 Label placement reason letter ID Label/Location Info pdf 168.20 KiB October 17 2021
1 2 Authorization Letter Cover Letter(s) pdf 649.30 KiB October 17 2021
1 2 Confidentiality Letter Cover Letter(s) pdf 201.40 KiB October 17 2021
1 2 Declaration Letter Cover Letter(s) pdf 960.04 KiB October 17 2021
1 2 RF Exposure Report RF Exposure Info pdf 334.53 KiB October 17 2021
1 2 Test Report Test Report pdf 3.44 MiB October 17 2021
1 2 Test Setup Photo Test Setup Photos pdf 375.52 KiB October 17 2021 / April 16 2022 delayed release

frequency equipment class purpose
1 2021-10-17 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 2021-10-17
1 2 Applicant's complete, legal business name Shenzhen Grandsun Electronic Co., Ltd.
1 2 FCC Registration Number (FRN) 0026941690
1 2 Physical Address East Park,Gaoqiao Industry Zone,Pingdi Street
1 2 Shenzhen, N/A
1 2 China
app s TCB Information
1 2 TCB Application Email Address U******@SGS.COM
1 2 TCB Scope A4: UNII devices & low power transmitters using spread spectrum techniques
app s FCC ID
1 2 Grantee Code 2AN4C
1 2 Equipment Product Code TWE7B
app s Person at the applicant's address to receive grant or for contact
1 2 Name M****** X********
1 2 Telephone Number 86-75********
1 2 Fax Number 0755-********
1 2 E-mail m******@grandsun.com
app s Technical Contact
1 2 Firm Name SGS-CSTC Standards Technical Services Co., Ltd.
1 2 Name K******** J******
1 2 Physical Address No.198 Kezhu Road, Science City
1 2 Guangzhou, Guangdong, 510663
1 2 China
1 2 Telephone Number 86-20********
1 2 Fax Number n/a********
1 2 E-mail K******@sgs.com
app s Non Technical Contact
1 2 Firm Name SGS-CSTC Standards Technical Services Co., Ltd.
1 2 Name K**** J********
1 2 Physical Address No.198 Kezhu Road, Science City
1 2 Guangzhou, Guangdong, 510663
1 2 China
1 2 Telephone Number 86-20********
1 2 Fax Number n/a********
1 2 E-mail K******@sgs.com
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?:Yes
1 2 If so, specify the short-term confidentiality release date (MM/DD/YYYY format)04/16/2022
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)True 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?No
1 2 Grant CommentsOutput 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 SGS-CSTC Standards Technical Services Co., Ltd.
1 2 Name K**** J********
1 2 Telephone Number 86-0-********
1 2 E-mail k******@sgs.com
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 0.0028000
Line Rule Parts Grant Notes Lower Frequency Upper Frequency Power Output Tolerance Emission Designator Microprocessor Number
2 1 15C 2402.00000000 2480.00000000 0.0072000

 

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

 

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