2BAB5-S8SMART WATCH

FCC Statement: This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarant ee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: —Reorient or relocate the receiving antenna. —Increase the separation between the equipment and receiver. —Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. —Consult the dealer or an experienced radio/TV technician for help. Caution: Any changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environm ent. This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter.

S henzhen Lingdong Chuangxin Technology Co.,LTD 1886,18/F,Block C,Electronic Technology Building, Huaqiang North Street,Futian District, Shenzhen City,China Date: March 2, 2023 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 FCC ID: 2BAB5-S8 US Agent – Attestation Statement / Part 2.911(d)(7) She nzhen Lingdong Chuangxin Technology Co.,LTD certifies, that as of March 2, 2023, we have designated FCC US Agent, LLC to accept service of process on our behalf for FCC ID: 2BAB5-S8. Shenzhen Lingdong Chuangxin Technology Co.,LTD, accepts to maintain an agent of service of process in the United States for no less than one year after either the grantee has permanently terminated all marketing and importation of the applicable equipment within the U.S., or the conclusion of any Commission-related administrative or judicial proceeding involving the equipment, whichever is later. FCC US Agent, LLC, accepts as of the date of the filing of this application, the obligation of being the designated agent for the purpose of accepting service of process on behalf of Shenzhen Lingdong Chuangxin Technology Co.,LTD for FCC ID: 2BAB5-S8. Designated Agent Information: Company Name: FCC US Agent, LLC FRN: 0033402884 Address: 3722 Illinois Avenue, Saint Charles, IL, 60174, USA Contact Person: Tim Payne Phone: 708-571-3148 Email: [email protected] Sincerely, Company: Shenzhen Lingdong Chuangxin Technology Co.,LTD Designated Agent: FCC US Agent, LLC Company Representative: [ Je llo wong ] D esignated Agent Representative: Tim Payne Signature: [Signature] Signature:

Shenzhen Lingdong Chuangxin Technology Co.,LTD Agent Authorization Letter 2023-03-09 Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 USA RE: LETTER OF AGENT AUTHORIZATION To Whom It May Concern: We, the undersigned, hereby authorize Shenzhen Most Technology Service Co., Ltd. to act on our behalf in all matters relating to application for equipment authorization, including the signing of all documents relating to these matters. We also hereby certify that no party to the application authorized hereunder is subject to the denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C.853(a). This agreement expires one year from the current date. Sincerely, Name: Jello wong Position: manager Company Name: Shenzhen Lingdong Chuangxin Technology Co.,LTD Address: 1886,18/F,Block C,Electronic Technology Building,Huaqiang North Street,Futian District,Shenzhen City,China Tel / Fax 18211307641 E-Mail: [email protected]

Shenzhen Lingdong Chuangxin Technology Co.,LTD Long Term Confidentiality Request Letter 2023-03-09 Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 USA RE: CONFIDENTIALITY REQUEST FOR (FCC ID: 2BAB5-S8) To Whom It May Concern: This letter serves as an official request for confidentiality under sections 0.457 and 0.459 of CFR 47. We have requested that the - e.g. Block diagram - e.g. SCH - e.g. Operational Description required to be submitted with this application be permanently withheld from public review. The above documents are company proprietary information that could never get into the possession of your competition. Please contact me if there is any information you may need. Sincerely, Name: Jello wong Position: manager Company Name: Shenzhen Lingdong Chuangxin Technology Co.,LTD Address: 1886,18/F,Block C,Electronic Technology Building,Huaqiang North Street,Futian District,Shenzhen City,China Tel / Fax 18211307641 E-Mail: [email protected]

Model difference letter 2023.03.09 Dear Eurofins Reviewer, This is a new Application from Shenzhen Lingdong Chuangxin Technology Co.,LTD Model No.: S8+ Ultra, GS Ultra8,X8+ Ultra,GS Ultra8+, S68+ Ultra,W68 Ultra,M8 Ultra,M88 Ultra, S9 Ultra, S9+ Ultra, X9 Ultra,W69 Ultra,S10 Ultra,S10+ Ultra,X10+ Ultra,W10 Ultra Only the model S8+ Ultra was tested, since the electrical circuit design, layout, components used and internal wiring were identical for the above models, with difference being model name and appearance. Thank you for your cooperation! Yours sincerely, Signatory: Name: Jello wong Position: manager Company Name: Shenzhen Lingdong Chuangxin Technology Co.,LTD Address: 1886,18/F,Block C,Electronic Technology Building,Huaqiang North Street,Futian District,Shenzhen City,China Tel / Fax 18211307641 E-Mail: [email protected]

Model No.: S8+ Ultra FRONT VIEW OF SAMPLE BACK VIEW OF SAMPLE Model No.: S8+ Ultra LEFT VIEW OF SAMPLE RIGHT VIEW OF SAMPLE Model No.: S8+ Ultra TOP VIEW OF SAMPLE BOTTOM VIEW OF SAMPLE Model No.: S8+ Ultra

Length:20mm width:4 mm Label Location FCCID: 2BAB5-S8

Model No.: S8+ Ultra Page 1 of 2 INTERNAL PHOTO OF SAMPLE INTERNAL PHOTO OF SAMPLE PCB BT Antenna Model No.: S8+ Ultra Page 2 of 2 INTERNAL PHOTO OF SAMPLE PCB INTERNAL PHOTO OF SAMPLE PCB

Shenzhen Most Technology Service Co., Ltd. No.5, 2nd Langshan Road, North District, Hi-tech Industrial Park, Nanshan, Shenzhen, Guangdong, China. RF Exposure Evaluation Report Report Reference No. ..................... : FCC ID.. ........................................... : MTEB23020183-H 2BAB5-S8 Compiled by ( position+printed name+signature) .. : File administrators Alisa Luo Supervised by ( position+printed name+signature) .. : Test Engineer Sunny Deng Approved by ( position+printed name+signature) .. : Manager Yvette Zhou Date of issue ..................................... : February 23,2023 Representative Laboratory Name .: Shenzhen Most Technology Service Co., Ltd. Address ............................................ : No.5, 2nd Langshan Road, North District, Hi-tech Industrial Park, Nanshan, Shenzhen, Guangdong, China. Applicant’s name ............................ : Shenzhen Lingdong Chuangxin Technology Co.,LTD Address ............................................ : 1886,18/F,Block C,Electronic Technology Building,Huaqiang North Street,Futian District,Shenzhen City,China Test specification/ Standard ..........: 47 CFR Part 1.1307 47 CFR Part 2.1093 TRF Originator .................................. : Shenzhen Most Technology Service Co., Ltd. Shenzhen Most Technology Service Co., Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen Most Technology Service Co., Ltd. is acknowledged as copyright owner and source of the material. Shenzhen Most Technology Service Co., Ltd. takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. Test item description .....................: SMART WATCH Trade Mark ...........................: STARSTA TASTARS Manufacturer .................................... : Shenzhen Lingdong Chuangxin Technology Co.,LTD Model/Type reference....................... : S8+ Ultra Listed Models .................................. : GS Ultra8,X8+ Ultra,GS Ultra8+, S68+ Ultra,W68 Ultra,M8 Ultra,M88 Ultra, S9 Ultra, S9+ Ultra, X9 Ultra,W69 Ultra,S10 Ultra,S10+ Ultra,X10+ Ultra,W10 Ultra Modulation Type ............................... : GFSK Operation Frequency ........................ : From 2402MHz to 2480MHz Hardware Version .............................. V1.0 Software Version ............................... V1.0 Rating ............................................... : DC3.7V(by Battery) DC5V( by USB) Result................................................ : PASS Report No.: MTEB23020183-H Page 2 of 5 T E S T R E P O R T Equipment under Test : SMART WATCH Model /Type : S8+ Ultra Listed Models GS Ultra8,X8+ Ultra,GS Ultra8+, S68+ Ultra,W68 Ultra,M8 Ultra,M88 Ultra, S9 Ultra, S9+ Ultra, X9 Ultra,W69 Ultra,S10 Ultra,S10+ Ultra,X10+ Ultra,W10 Ultra Remark Only the model name and appearance are different Applicant : Shenzhen Lingdong Chuangxin Technology Co.,LTD Address : 1886,18/F,Block C,Electronic Technology Building,Huaqiang North Street,Futian District,Shenzhen City,China Manufacturer : Shenzhen Lingdong Chuangxin Technology Co.,LTD Address : 1886,18/F,Block C,Electronic Technology Building,Huaqiang North Street,Futian District,Shenzhen City,China Test Result: PASS The test report merely corresponds to the test sample. It is not permitted to copy extracts of these test result without the written permission of the test laboratory. Report No.: MTEB23020183-H Page 3 of 5 1. R e v i s i o n H i s t o r y Revision Issue Date Revisions Revised By 00 2023.02.23 Initial Issue Alisa Luo Report No.: MTEB23020183-H Page 4 of 5 2. S A R E v a l u a t i o n 2.1 RF Exposure Compliance Requirement 2.1.1 Standard Requirement According to KDB447498D01 General RF Exposure Guidance v06 4.3.1. Standalone SAR test exclusion considerations Unless specifically required by the published RF exposure KDB procedures, standalone 1-g head or body and 10-g extremity SAR evaluation for general population exposure conditions, by measurement or numerical simulation, is not required when the corresponding SAR Exclusion Threshold condition, listed below, is satisfied. 2.1.2 Limits The 1-g and 10-g SAR test exclusion thresholds for 100 MHz to 6 GHz at test separation distances ≤ 50 mm are determined by: [(max. power of channel, including tune-up tolerance, mW)/(min. test separation distance, mm)] · [√f(GHz)] ≤ 3.0 for 1-g SAR and ≤ 7.5 for 10-g extremity SAR, where The test exclusions are applicable only when the minimum test separation distance is ≤ 50 mm and for transmission frequencies between 100 MHz and 6 GHz. When the minimum test separation distance is < 5 mm, a distance of 5 mm is applied to determine SAR test exclusion Report No.: MTEB23020183-H Page 5 of 5 2.1.3 EUT RF Exposure Measurement Data BLE GFSK Test channel Peak Output Power (dBm) Tune up tolerance (dBm) Maximum tune-up Power (dBm) Lowest(2402MHz) -0.919 -0.919±1 0.081 Middle(2441MHz) -0.456 -0.456±1 0.544 Highest(2480MHz) -0.146 -0.146±1 0.854 Worst case: GFSK Channel Maximum Peak Conducted Output Power (dBm) Maximum tune-up Power Calculated value Exclusion threshold SAR Test Exclusion (dBm) (mW) Highest (2480MHz) -0.146 0.854 1.22 0.38 3.0 Yes .......................THE END OF REPORT.........................

19mm Shenzhen Lingdong Chuangxin Technology Co.,LTD 1886,18/F,Block C,Electronic Technology Building,Huaqiang North Street,Futian District,Shenzhen City,China

Shenzhen Most Technology Service Co., Ltd. No.5, 2nd Langshan Road, North District, Hi-tech Industrial Park, Nanshan, Shenzhen, Guangdong, China. TEST REPORT FCC Rules Part 15.247 Report Reference No. ..................... : FCC ID.. ........................................... : MTEB23020183-R 2BAB5-S8 Compiled by ( position+printed name+signature) .. : File administrators Alisa Luo Supervised by ( position+printed name+signature) .. : Test Engineer Sunny Deng Approved by ( position+printed name+signature) .. : Manager Yvette Zhou Date of issue ..................................... : February 23,2023 Representative Laboratory Name .: Shenzhen Most Technology Service Co., Ltd. Address ............................................ : No.5, 2nd Langshan Road, North District, Hi-tech Industrial Park, Nanshan, Shenzhen, Guangdong, China. Applicant’s name ............................ : Shenzhen Lingdong Chuangxin Technology Co.,LTD Address ............................................ : 1886,18/F,Block C,Electronic Technology Building,Huaqiang North Street,Futian District,Shenzhen City,China Test specification/ Standard ..........: FCC Rules Part 15.247 TRF Originator .................................. : Shenzhen Most Technology Service Co., Ltd. Shenzhen Most Technology Service Co., Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen Most Technology Service Co., Ltd. is acknowledged as copyright owner and source of the material. Shenzhen Most Technology Service Co., Ltd. takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. Test item description .....................: SMART WATCH Trade Mark ...........................: STARSTA TASTARS Manufacturer .................................... : Shenzhen Lingdong Chuangxin Technology Co.,LTD Model/Type reference....................... : S8+ Ultra Listed Models .................................. : GS Ultra8,X8+ Ultra,GS Ultra8+, S68+ Ultra,W68 Ultra,M8 Ultra,M88 Ultra, S9 Ultra, S9+ Ultra, X9 Ultra,W69 Ultra,S10 Ultra,S10+ Ultra,X10+ Ultra,W10 Ultra Modulation Type ............................... : GFSK Operation Frequency ........................ : From 2402MHz to 2480MHz Hardware Version .............................. V1.0 Software Version ............................... V1.0 Rating ............................................... : DC3.7V(by Battery) DC5V( by USB) Result................................................ : PASS Report No.: MTEB23020183-R Page 2 of 34 T E S T R E P O R T Equipment under Test : SMART WATCH Model /Type : S8+ Ultra Listed Models GS Ultra8,X8+ Ultra,GS Ultra8+, S68+ Ultra,W68 Ultra,M8 Ultra,M88 Ultra, S9 Ultra, S9+ Ultra, X9 Ultra,W69 Ultra,S10 Ultra,S10+ Ultra,X10+ Ultra,W10 Ultra Remark Only the model name and appearance are different Applicant : Shenzhen Lingdong Chuangxin Technology Co.,LTD Address : 1886,18/F,Block C,Electronic Technology Building,Huaqiang North Street,Futian District,Shenzhen City,China Manufacturer : Shenzhen Lingdong Chuangxin Technology Co.,LTD Address : 1886,18/F,Block C,Electronic Technology Building,Huaqiang North Street,Futian District,Shenzhen City,China Test Result: PASS The test report merely corresponds to the test sample. It is not permitted to copy extracts of these test result without the written permission of the test laboratory. Report No.: MTEB23020183-R Page 3 of 34 Contents 1. R E V I S I O N H I S T O R Y ................................................................ 4 2. T E S T S T A N D A R D S ................................................................. 5 3. S U M M A R Y ............................................................................ 6 3.1. General Remarks 6 3.2. Product Description 6 3.3. Equipment Under Test 6 3.4. Short description of the Equipment under Test (EUT) 6 3.5. EUT operation mode 7 3.6. Block Diagram of Test Setup 7 3.7. Test Item (Equipment Under Test) Description* 7 3.8. Auxiliary Equipment (AE) Description 7 3.9. Antenna Information* 8 3.10. EUT configuration 8 3.11. Modifications 8 4. T E S T E N V I R O N M E N T .............................................................. 9 4.1. Address of the test laboratory 9 4.2. Environmental conditions 9 4.3. Test Description 10 4.4. Statement of the measurement uncertainty 10 4.5. Equipments Used during the Test 11 5. T E S T C O N D I T I O N S A N D R E S U L T S ........................................... 12 5.1. AC Power Conducted Emission 12 5.2. Radiated Emission 15 5.3. Maximum Peak Output Power 22 5.4. Power Spectral Density 23 5.5. 6dB Bandwidth and 99% Bandwidth 25 5.6. Band Edge Compliance of RF Emission 27 5.7. Spurious RF Conducted Emission 29 5.8. Antenna Requirement 32 6. T E S T S E T U P P H O T O S O F T H E E U T ......................................... 33 7. E X T E R N A L A N D I N T E R N AL P H O T O S O F T H E E U T ...................... 34 Report No.: MTEB23020183-R Page 4 of 34 1. R e v i s i o n H i s t o ry Revision Issue Date Revisions Revised By 00 2023.02.23 Initial Issue Alisa Luo Report No.: MTEB23020183-R Page 5 of 34 2. T E S T S T A N D A R D S The tests were performed according to following standards: The tests were performed according to following standards: FCC Rules Part 15.247: Frequency Hopping, Direct Spread Spectrum and Hybrid Systems that are in operation within the bands of 902-928 MHz, 2400-2483.5 MHz, and 5725-5850 MHz. ANSI C63.10:2013 : American National Standard for Testing Unlicensed Wireless Devices Report No.: MTEB23020183-R Page 6 of 34 3. S U M M A R Y 3.1. General Remarks Date of receipt of test sample : 2022.02.19 Testing commenced on : 2022.02.20 Testing concluded on : 2023.02.23 3.2. Product Description Product Name: SMART WATCH Model/Type reference: S8+ Ultra Power Supply： DC3.7V(by Battery) DC5V( by USB) Testing sample ID： 64 Bluetooth : S…

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Model No.: S8+ Ultra CE TEST SETUP RE TEST SETUP Model No.: S8+ Ultra RE TEST SETUP