FCC ID: 2AN5D-V8100 Oclean WiFi Smart Sonic Electric Toothbrush

Instruction FQA e-label Instruction to find the e-label in the FQA 1. 5S Lift up the toothbrush, the screen will be automatically awake and lights up for 5S 2. 5S Slip up and down to select any mode and hold for 5S. The firmware version will be displayed on the button 3. E-label E-label Slip up and down to switch to E-label screen and the E-label can be checked by user E-label E label The certification logo will be displayed immediately in the screen of the device . Before the device display the certification logo , the wireless transfer will not start. After entering into the E-label screen ,the user do not have the entrance to enter and change the identification logo as the contents of the E-label is encrypted E-label E-Label display as below figure

COMPANY LETTERHEAD Aug 26 , 2023 Inc. Nemko North America, 303 River Road Ottawa, Ontario, Canada K1V 1 H2 REQUEST FOR CONFIDENTIALITY - FCC FCC ID:

2AN5D-V8100 Pursuant to Sections 0 .4 5 7(d) and 0 .4 59 of the Commission s Rules and FCC Guidance document 7 2 6 9 2 0 , we hereby request permanent confidential treatment of exhibits identified as such in the table below and request they are permanently withheld from public review based on the documents containing trade secrets and proprietary released to the public. The public disclosure of this information might be harmful to the applicant and provide unjustified benefits to its competitors. information not customarily request short- term confidentiality on certain exhibits until the We also intended date of marketing as outlined below. We request the exhibits be withheld from public view for a period of 180 days . We attest marketing of the product will only commence after the period of short- term confidentiality expires, or if marketing the grantee will inform Nemko to release the Short- Term Confidentiality information withheld on the FCC equipment authorization website. requested number of days listed above, is to commence before the Exhibit Block Diagrams External Photos Internal Photos Operation Description Parts List & Placement/ BOM Tune- Up Procedure Schematic Diagrams Test Setup Photos User s Manual Type of Confidentiality Requested Permanent

Permanent*

Permanent Permanent Permanent Permanent

Permanent*

Short Term Short Term Short Term Short Term Short Term Short Term Short Term Short Term Short Term The asterisked items (*) require further information to be provided in this justification letter before permanent confidentiality will be extended to these exhibits. Please refer to FCC KDB 726920 D01 found at:

https:/apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=41731 and review section II, 3) regarding specific information that must accompany these requests. any documents held under the Short- Term confidentiality will automatically become public the requested time if an appropriate extension request has not been received. Any exhibits been requested to have Permanent Note:

after

( i. e. , confidentiality as shown above need not be repeated under Short- Term confidentiality request. schematic diagrams) have already that may Sincerely, Signed:

Printed name: winnie Title: Certified Engineer Company Name:

Shenzhen Yunding Information Technology Co.

, Ltd.

Shenzhen Yunding Information Technology Co., Ltd. Covered Equipment Certification Attestation Letter 8/29/2023 Nemko North America, Inc. 303 River Road Ottawa K1V 1H2 Canada ATTN.: Reviewing Engineer FCC ID: 2AN5D-V8100 Shenzhen Yunding Information Technology Co., Ltd. (the applicant) certifies that the equipment for which authorization is sought is not covered equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. Note: If the equipment for which the applicant seeks authorization is produced by any of the entities identified on the current Covered List, the applicant should include an explanation on why the equipment is not covered equipment. Shenzhen Yunding Information Technology Co., Ltd. (the applicant) certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List as an entity producing covered equipment. Signed:

Printed name: Winnie Title: Certified Engineer Company Name: Shenzhen Yunding Information Technology Co., Ltd. Date: 8/29/2023

COMP ANY LETTEIEAD U.S. Agent Designation for Service of Process Certification Attestation Letter DA TE: 2023/6/30 Nemko North Ameica, Inc. 303 River Road Ottawa K1V 1H2 Canada ATTN.: Reviewing Engineer FCC ID: 2AN5D-V8100 Per section applicant that the equipment agent* for service of process:

2.911 (d)(7) certifies of the FCC rules.Shenzhen Yunding Information Technology for which authorization is sought is designated Co., Ltd. the U.S. to the following U.S. Company Address:

Company Name: JIAWEI TECHNOLOGY (USA) Ltd. Physical Agent name: Sanger Chen Agent Email Address:

FRN: 0034208728 sanger.chen@jiaweitech.com 29470 Union City Blvd, Union City, CA 94587 The above contact person accepts the obligati on for service of process. The applicant marketing to maintain an agent for no less than one year after the grantee proceeding of any Commission-related or the conclusion has terminated all the equipment. involving and importation accepts Applicant Signed:

Agent Signed (if different to Applicant):

Signed: 7 Printed Title name: Tina Ba Project Director Signed: C C name: SahgeChen Printed Title:

Financial

& Operation Manager CompanyName:

ShenzhenYundinglnformationTech nologyCo., CompanyName:

JIAElTECHNOLOGY

(USA) LIMITED Date: 2023/6/30 Date: 2023/6/30 the applicant must designate a contact service United of process, States may designate itself regadlessof whether located in the United the applicant as the agent for service of process. States is a domestic for purposes or foreign of acting entity. s agent for as the applicant in the located An applicant