2BSU4-MWORLDM1Smart Ring

亟 ORLD SA¨EMENT 1. The blood pressure and cardiovascular measurement functions are suitable for people with cardiovascular risk and for healthy individuals. Measuring one's own blood pressure and cardiovascular risk helps in understanding personal health conditions. The measurement results are not intended to serve as a basis for determining whether individuals with hypertension or cardiovascular risk should take medication. Users with circulatory disorders or cardiovascular diseases should conduct testing and treatment under the guidance of a physi­ cian. The product's measurement results are for reference only. 2. The product, accessories, and user interface illustrations in this manual are for illustrative purposes only. They are for reference only, and the actual product may dieer slightly from the illustrations. Please refer to the actual product. Product Name: MWorld Sma『tRing Model Specification: MWorld Intended Use: Based on photoplethysmography (PPG), the device non-invasively collects PPG signals from the fingertip pad to monitor human cardiovascular risk status. It also detects seven basic emotions, complex emotions, stress, fatigue, blood pressure / blood oxygen / heart rate, etc. With a built-in gravity sensor and temperature sensor (optional), it can measure body temperature, physical activity, and sleep quality. The results are for patient or clinical reference only and not intended for diagnostic use. Product Model: MWorld Maximum Thickness: 2.8 mm Product Material: Stainless Steel and Microcrystalline Ceramic Product Weight: 3g - 5g Bapery Capacity: 18 - 28 mAh App Download and Installation The "Mworld Ring" application is required to activate, configure, and view all data collected by your smart ring. Download Instructions: Using QR Code: Use your phone's camera to scan the QR code provided below. This will automatically redirect you to the correct download page for your device. Using App Store: Open the App Store (iOS) or Google Play Store (Android) on your smartphone. Search for "Mworld Ring" and select the oficial app to down­ load and install. After installation, open the app and follow the in-app guide to: Create your user account. Pair your ring with your phone via Bluetooth. Customize your sepings and goals. Download: 髻 颤 [Download on the App Store] [Get it on Google Play] Internal Power ̧ pe Electric Shock Protection ̧ pe BF Classification: Ingress Protection Rating IP68 / 10èM (Dust and Water Resistance): Safety Classification for Use in the Presence of Flammable Anesthetic Not AP type, Not APG type Mixtures with Air, Oxygen, or Nitrous Oxide: Ope『atingMode: Continuous operation Power Supply: Internal power: lithium bapery Bapery Voltage: DC 3.7 V Battery Life: Operating time under full charge is not less than 72 hours [Main Performance] Heart rate, blood oxygen, blood pressure, cardiovascular Wst Items: risk status, body tem . . s p le e e ra c ture (optional), step counting, fatigue level, stress, p, emotion Algorithm Support: Hormone Index, Body Energy, Cardiovascular Analysis, etc. Other Functions: Gesture photo-taking, touch control (optional) ［ Precautions] 1. Please read the user manual carefully before use. Failure to do so may result in improper operation or accidental injury. 2.Although this product meets medical-grade standards, the measurement results are for reference only and cannot be used as a basis for diagnosis. 3. This product does not support automatic continuous measurement or dynamic measurement. Each measurement must be initiated manually. It is recommended to rest for five minutes before starting a measurement. 4. Do not take measurements immediately after eating, bathing, drinking tea/al­ cohol, or smoking. Wait at least one hour before measuring. 5. A er urination or defecation, please wait 10 minutes before measuring. 6. Do not use the device in moving vehicles. A mobile environment may cause abnormal results. Ú Do not start measurements continuously. It is recommended to wait 2-3 minutes or longer between measurements. 8.For medical procedures with explicit restrictions, such as CT scans, please remove this product according to your doctor's instructions. 9.Sudden temperature changes may cause device instability. Please ensure ambient temperature is stable before measuring. 10.Avoid using the measurement function when the device's battery is low, to prevent interruptions or inaccurate results. 11.This product contains a lithium battery. If you need to dispose of the product, please treat it as hazardous waste in accordance with local regulations. 12.Store the device in a location out of reach of children, to prevent accidental swallowing, biting, or playing with the charging cable, which may cause device damage or accidental choking/injury. 13.This product is intended for adults who do not currently require medical intervention and can manage their health independently at home. If your heart rate, blood oxygen, blood pressure, or other indicators have reached life-threatening levels, it is not recommended to use this product for monitor­ ing.Please seek immediate medical a廿entionat a healthcare facility. [Contraindications] 1.Newborns, infants weighing less than 10 kg, or patients unable to express them­ selves. 2.Patients with wounds or inflammation on their fingers. 3.Patients undergoing infusion or blood transfusion through catheters inserted in the wrist or arm. 4.Patients who are unable to bend their arms voluntarily or cannot control finger tremors. 5.Patients cur『entlyconnected to medical diagnostic or monitoring equipment. 6.Patients from whom normal pulse wave signals cannot be collected. ãPatients with material allergies. [Installation and Use] (1) Charging and Powering On This product uses a rechargeable lithium bapery that supports repeated charging. If the device cannot be powered on, it indicates that the battery is low and needs to be charged. The charging steps are as follows: Connect the USB end of the charging cable…

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DONIRING TECHNOLOGY LIMITED Covered Equipment Certification Attestation Letter 11/21/2025 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA ATTN.: Reviewing Engineer FCC ID: 2BSU4-MWORLDM1 DONIRING TECHNOLOGY LIMITED (“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. DONIRING TECHNOLOGY LIMITED (“the applicant”) certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List (as a specifically named entity or any of its subsidiaries or affiliates) as an entity producing “covered” equipment. DONIRING TECHNOLOGY LIMITED (“the applicant”) certifies that the equipment for which authorization is sought does not include cybersecurity or anti-virus software produced or provided by Kaspersky Lab, Inc. or any of its successors and assignees, including equipment with integrated Kaspersky Lab, Inc. (or any of its successors and assignees) cybersecurity or anti-virus software pursuant to DA-24-886 and KDB 986446 D01 Covered Equipment Guidance section B(2a). <Signature>: Name: Jack Bu Title: Manager Company: DONIRING TECHNOLOGY LIMITED Date: 11/21/2025

DONIRING TECHNOLOGY LIMITED * the applicant must designate a contact located in the United States for purposes of acting as the applicant’s agent for service of process, regardless of whether the applicant is a domestic or foreign entity. An applicant located in the United States may designate itself as the agent for service of process. U.S. Agent Designation for Service of Process - Certification Attestation Letter 11/21/2025 TO: Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 ATTN.: Reviewing Engineer FCC ID: 2BSU4-MWORLDM1 FRN of applicant: 0037624087 Per section 2.911(d)(7) of the FCC rules, [DONIRING TECHNOLOGY LIMITED] (“the applicant”) certifies that the equipment for which authorization is sought is designated to the following U.S. agent* for service of process: Company Name: Herland International Trading Inc FCC Registration Number (FRN): 0036324101 Physical U.S. Company Address: 1370 Valley Vista Dr Ste 200 Diamond Bar, CA 91765 Contact Person: Jianfeng Gao Agent Email Address: [email protected] The above contact person accepts the obligation for service of process. The applicant accepts to maintain an agent for no less than one year after the grantee has terminated all marketing and importation or the conclusion of any Commission-related proceeding involving the equipment. Applicant Signed: Signed: Printed name: Jack bu Title: Manager Company Name: DONIRING TECHNOLOGY LIMITED Date: 11/21/2025 Agent Signed (if different from Applicant): Signed: Printed name: Jianfeng Gao Title: Manager Company Name: Herland International Trading Inc Date: 11/21/2025

DONIRING TECHNOLOGY LIMITED 2025-11-21 Equipment Autorisation Division Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 FCC ID: 2BSU4-MWORLDM1 Product Name: Smart Ring Request for Confidentiality Pursuant to Sections 0.457 and 0.459 of the commission’s rules, we hereby request that the following documents be held confidential: (List here the documents for which you are seeking confidentiality – for example ...)  Schematics  Block diagram  Operation description These materials contain trade secrets and proprietary information and are not customarily released to the public. The public disclosure of this information might be harmful to the company and provide unjustified benefits to our competitors. <Signature>: Name: Jack Bu Title: Manager Company: DONIRING TECHNOLOGY LIMITED

DONIRING TECHNOLOGY LIMITED 2025-11-21 Federal Communications Commission Authorization & Evaluation Division 7345 Oakland Mills Road Columbia, Maryland 21046 Authority to Act as Agent On our behalf, I appoint Shenzhen DL Testing Technology Co., Ltd.（101-201, Comprehensive Building, Tongzhou Electronics Longgang Factory Area, No.1 Baolong Fifth Road, Baolong Community, Baolong Street, Longgang District, Shenzhen, China）to act as our agent in the preparation of this application for equipment certification. I certify that submitted documents properly describe the device or system for which equipment certification is sought. I also certify that each unit manufactured, imported or marketed, as defined in the Federal Communications Commission’s regulations will have affixed to it a label identical to that submitted for approval with this application. For instances where our authorized agent signs the application for certification on our behalf, I acknowledge that all responsibility for complying with the terms and conditions for certification, still resides with DONIRING TECHNOLOGY LIMITED（RM 1001, 10/F, THE CLOUD, 111 TUNG CHAU STREET, TAI KOK TSUI, KOWLOON, HONG KONG） <Signature>: Name: Jack Bu Title: Manager Company: DONIRING TECHNOLOGY LIMITED

DONIRING TECHNOLOGY LIMITED 2025-11-21 Federal Communications Commission Authorization & Evaluation Division 7345 Oakland Mills Road Columbia, Maryland 21046 RE: LETTER OF AGENT AUTHORIZATION To Whom It May Concern: We, the undersigned, hereby authorize Compliance Testing, LLC 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). Sincerely, <Signature>: Name: Jack Bu Title: Manager Company: DONIRING TECHNOLOGY LIMITED

DONIRING TECHNOLOGY LIMITED FCC ID: 2BSU4-MWORLDM1 Product Similarity Declaration Applicant: DONIRING TECHNOLOGY LIMITED Address: RM 1001, 10/F, THE CLOUD, 111 TUNG CHAU STREET, TAI KOK TSUI, KOWLOON, HONG KONG Manufacturer: DONIRING TECHNOLOGY LIMITED Address: RM 1001, 10/F, THE CLOUD, 111 TUNG CHAU STREET, TAI KOK TSUI, KOWLOON, HONG KONG Product Name: Smart Ring Trade Mark: N/A Model Number: Mworld M1, Mworld M2, Mworld T1, Mworld M3, Mworld C1 We (DONIRING TECHNOLOGY LIMITED) hereby state that all the models are electrical identical including the same software parameter and hardware design (i.e., circuit design, PCB Layout, RF module/circuit, antenna type(s) and antenna location, components on PCB, etc.,), same mechanical structure and design (including product enclosure, materials, etc.,), All models are the same as the samples except for the model name, appearance color. <Signature>: Name: Jack Bu Title: Manager Company: DONIRING TECHNOLOGY LIMITED

Shenzhen DL Testing Technology Co., Ltd. EUT PHOTO(External Photos) Shenzhen DL Testing Technology Co., Ltd. Shenzhen DL Testing Technology Co., Ltd. Shenzhen DL Testing Technology Co., Ltd. Shenzhen DL Testing Technology Co., Ltd. Shenzhen DL Testing Technology Co., Ltd. ※※※※※ END OF REPORT ※※※※※

Size: 15*13mm Model.: Mworld M1 FCC ID: 2BSU4-MWORLDM1 Label location

Shenzhen DL Testing Technology Co., Ltd. EUT PHOTO(Internal Photos) ANT Shenzhen DL Testing Technology Co., Ltd. Shenzhen DL Testing Technology Co., Ltd. ※※※※※ END OF REPORT ※※※※※

FCC ID: 2BSU4-MWORLDM1 RF Exposure Evaluation According to KDB 447498 D01 V06 and part 2.1093，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 Test Exclusion Threshold condition(s), listed below, is (are) satisfied. For 100 MHz to 6 GHz and test separation distances ≤ 50 mm, the 1-g and 10-g SAR test exclusion thresholds are determined by the following: [(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 f (GHz) is the RF channel transmit frequency in GHz Power and distance are rounded to the nearest mW and mm before calculation The result is rounded to one decimal place for comparison EIRP=E Meas +20log(d Meas )-104.7 EIRP is the equivalent isotropically radiated power, in dBm E Meas is the field strength of the emission at the measurement distance, in dBμV/m d Meas is the measurement distance, in m Here, BLE Peak Output Power (dBm) Max tune-up (mW) Frequency (MHz) Min. distance(mm) Calc. thresholds limit -3.07 0.49 2480 5 0.16 3.0 So a SAR test is not required

SMDCERAMICANTENNA DataSheet TSUN TECHNOLOGY CO., LTD . Rev.1.0 TS3216E245D05 For2400-2484MHz 3.2x1.6mm[EIA1206] SHAPES AND DIMENSIONSDimensions inmm FEATURES ・Lightweight,compact ・ Widebandwidth,lowcost ・ Built-inantennawithhighgain APPLICATIONS ・ Bluetooth ・ IEEE802.11g/b ・ Zigbeesystems,etc... Rev.1.0|2 TSUN TECHNOLOGY CO., LTD DataSheet SMDCERAMICANTENNA TS3216E245D05 LW A A1H 3.2±0.11.6±0.10.15±0.05 0.4±0.150.55±0.1 正面 底面 ✷切記: SMT貼片需黑色面朝上 PARTNUMBERINGSYSTEM TS -3216 -E - Brand Dimension Material 2450 -D -05 FrequencyFeeding modeType Rev.1.0|3 TSUN TECHNOLOGY CO., LTD DataSheet SMDCERAMICANTENNA Electrical Characteristics per line(TA=25°C) T yp icalCharacteristics Fig.1VSWR 1.9 1.8 1.7 1.6 1.5 1.4 1.3 1.2 1.1 2200 2300 2600 24002500 Frequency[MHz] 2700 V . S . W . R . Parameter Specification Units FrequencyBand 2400~2483 MHz P o l a riz at i o n Linear P eakGa in 2.71 dB i P ea kEffi c i e n c y 68.8%% Im p endance 50  Rev.1.0|4 TSUN TECHNOLOGY CO., LTD DataSheet SMDCERAMICANTENNA RadiationPattern Th eGa inp atte rni smeasu r edi n FAR - fi e l dc h a m be r .DU T isplacedon t h etab l e o fr otato r ,asta n da r dho r na n te nn aa n dVecto rN et w o rk Analyzerisusedtocollect data. Fig.2FAR-fieldChamber 3DGainPattern(2400MHz) Rev.1.0|5 TSUN TECHNOLOGY CO., LTD DataSheet SMDCERAMICANTENNA 3DGainPattern(2450 MHz) 3DGainPattern(2500MHz) Rev.1.0|6 TSUN TECHNOLOGY CO., LTD DataSheet SMDCERAMICANTENNA Gain（dB） Eiciency（%） Rev.1.0|7 TSUN TECHNOLOGY CO., LTD DataSheet SMDCERAMICANTENNA Item Condition Specification Thermalshock 1.30±3minutesat-40°C±5°C, 2.Convertto+105°C(5minutes) 3.30±3minutesat+105°C±5°C, 4.Convertto-40°C(5minutes) 5.Total100continuouscycles Noapparentdamage Fulfilltheelectrical spec.aftertest. Humidityresistance 1.Humidity:85%R.H. 2.Temperature:85±5°C 3.Time:1000hours. Noapparentdamage Fulfilltheelectrical spec.aftertest. Hightemperature resistance Noapparentdamage Fulfilltheelectrical spec.aftertest. 1.Temperature:150°C±5°C 2.Time:1000hours. Lowtemperature resistance 1.Temperature:-40°C±5°C 2.Time:1000hours. Noapparentdamage Fulfilltheelectrical spec.aftertest. Solderingheatresistance 1.Solderbathtemperature:260±5°C 2.Bathingtime:10±1seconds Noapparentdamage Solderability Thedippedsurfaceoftheterminalshallbe atleast95%coveredwithsolderafterdipped insolderbathof245±5°Cfor3±1seconds. Noapparentdamage (2))StorageCondition (a)Atwarehouse:Thetemperatureshouldbewithin0~30°Candhumidityshould be lessthan60%RH.Theproductshouldbeusedwithin1yearfromthetimeof elivery. (b)Onboard:Thetemperature shouldbewithin-40~85°Candhumidityshould belessthan85%RH. (3)OperatingTemperatureRange Operatingtemperaturerange:-40°Cto+85°C. Recommended ReflowSoldercurve PACKAGINGSTYLE REELDIMENSIONS Rev.1.0|8 TSUN TECHNOLOGY CO., LTD DataSheet SMDCERAMICANTENNA (1))SolderingGunProcedure Notethefollows,incaseofusingsoldergunforreplacement. (a)Thetiptemperaturemustbelessthan350°Cfortheperiodwithin3 seconds byusingsolderinggununder30W. (b)Thesolderingguntipshallnottouchthisproductdirectly. (2)SolderingVolume Notethatexcessofsolderingvolumewilleasilygetcrackthebodyof thisproduct. Device Package NetWeight Carrier Quantity HSFStatus TS3216E245D05 3216 0.0089g Tape&Reel 5000pcs RoHScompliant Date RevisionDescriptionofchanges 2018-11-51.0 FirstVersion 2022-12-9 1.1 Updatethepackageinformation OrderInformation Revisionhistor y Thecontentsofthisdatasheetaresubjecttochangewithoutnotice. Pleaseconfirmthespecificationsanddeliveryconditionswhenplacingyourorder. ©Copyright2015，Allrightsreserved Rev.1.0|9 TSUN TECHNOLOGY CO., LTD DataSheet SMDCERAMICANTENNA TAPEDIMENSIONS Feature S p ecifications Tolerances W 8 .00±0.30 P4.00±0.10 E 1.75 ± 0 .1 0 F3.50±0.10 P22.00±0.10 D1.50 + 0.10 - 0 . 00 P o 4. 00 ± 0 .1 0 10Po40.00±0.20 TypingQuantity:5000pieces per7” reel

Shenzhen DL Testing Technology Co., Ltd. Report No.: DLE-251105026R Test Report Tel: 400-688-3552 Web:www.dl-cert.com Email: [email protected] Page 1 of 33 FCC Part 15C Test Report FCC ID: 2BSU4-MWORLDM1 Applicant: DONIRING TECHNOLOGY LIMITED Address: RM 1001, 10/F, THE CLOUD, 111 TUNG CHAU STREET, TAI KOK TSUI, KOWLOON, HONG KONG Manufacturer: DONIRING TECHNOLOGY LIMITED Address: RM 1001, 10/F, THE CLOUD, 111 TUNG CHAU STREET, TAI KOK TSUI, KOWLOON, HONG KONG Product Name: Smart Ring Trade Mark: N/A Model Number: Mworld M1, Mworld M2, Mworld T1, Mworld M3, Mworld C1 Date of Receipt: Nov. 05, 2025 Test Date: Nov. 05, 2025 - Nov. 13, 2025 Date of Report: Nov. 13, 2025 Prepared By: Shenzhen DL Testing Technology Co., Ltd. Address: 101-201, Comprehensive Building, Tongzhou Electronics Longgang Factory Area, No.1 Baolong Fifth Road, Baolong Community, Baolong Street, Longgang District, Shenzhen, China Applicable Standards: FCC PART 15 C 15.247 ANSI C63.10-2020 Test Result: Pass Report Number: DLE-251105026R Prepared (Test Engineer): Alisa Song Reviewer (Supervisor): Jack Bu Approved (Manager): Jade Yang This test report is based on a single evaluation of one sample of above mentioned products. It is not permitted to be duplicated in extracts without written approval of Shenzhen DL Testing Technology Co., Ltd. Shenzhen DL Testing Technology Co., Ltd. Report No.: DLE-251105026R Test Report Tel: 400-688-3552 Web:www.dl-cert.com Email: [email protected] Page 2 of 33 Table of Contents Page 1. . SUMMARY OF TEST RESULTS 4 1.1. MEASUREMENT UNCERTAINTY 4 2. . GENERAL INFORMATION 5 2.1. GENERAL DESCRIPTION OF EUT 5 2.2. DESCRIPTION OF TEST MODES 6 2.3. BLOCK DIGRAM SHOWING THE CONFIGURATION OF SYSTEM TESTED 6 2.4. DESCRIPTION OF SUPPORT UNITS(CONDUCTED MODE) 7 2.5. TABLE OF PARAMETERS OF TEST SOFTWARE SETTING 7 2.6. EQUIPMENTS LIST FOR ALL TEST ITEMS 8 3. . EMC EMISSION TEST 9 3.1. CONDUCTED EMISSION MEASUREMENT 9 3.1.1. POWER LINE CONDUCTED EMISSION LIMITS 9 3.1.2. TEST PROCEDURE 9 3.1.3. DEVIATION FROM TEST STANDARD 9 3.1.4. TEST SETUP 10 3.1.5. EUT OPERATING CONDITIONS 10 3.1.6. TEST RESULTS 11 3.2. RADIATED EMISSION MEASUREMENT 13 3.2.1. RADIATED EMISSION LIMITS 13 3.2.2. TEST PROCEDURE 14 3.2.3. DEVIATION FROM TEST STANDARD 14 3.2.4. TEST SETUP 14 3.2.5. EUT OPERATING CONDITIONS 15 3.2.6. TEST RESULTS (BETWEEN 9KHZ – 30 MHZ) 16 3.2.7. TEST RESULTS (BETWEEN 30MHZ – 1GHZ) 17 3.2.8. TEST RESULTS (1GHZ~25GHZ) 19 3.3 RADIATED BAND EMISSION MEASUREMENT 20 3.3.1 TEST REQUIREMENT: 20 3.3.2 TEST PROCEDURE 20 3.3.3 DEVIATION FROM TEST STANDARD 20 3.3.4 TEST SETUP 21 3.3.5 EUT OPERATING CONDITIONS 21 3.4 CONDUCTED BAND EDGE EMISSION&CONDUCTED SPURIOUS EMISSIONS MEASUREMENT 23 3.4.1 APPLICABLE STANDARD 23 3.4.2 TEST PROCEDURE 23 3.4.3 DEVIATION FROM STANDARD 23 3.4.4 TEST SETUP 23 Shenzhen DL Testing Technology Co., Ltd. Report No.: DLE-251105026R Test Report Tel: 400-688-3552 Web:www.dl-cert.com Email: [email protected] Page 3 of 33 Table of Contents Page 3.4.5 EUT OPERATION CONDITIONS 23 3.4.6 TEST RESULTS 23 4. . PEAK OUTPUT POWER 26 4.1. APPLIED PROCEDURES / LIMIT 26 4.1.1. TEST PROCEDURE 26 4.1.2. DEVIATION FROM STANDARD 26 4.1.3. TEST SETUP 26 4.1.4. EUT OPERATION CONDITIONS 26 4.1.5. TEST RESULTS 27 5. . POWER SPECTRAL DENSITY TEST 29 5.1. APPLIED PROCEDURES / LIMIT 29 5.1.1. TEST PROCEDURE 29 5.1.2. DEVIATION FROM STANDARD 29 5.1.3. TEST SETUP 29 5.1.4. EUT OPERATION CONDITIONS 29 5.1.5. TEST RESULTS 29 6. . 6DB BANDWIDTH TEST 31 6.1. APPLIED PROCEDURES / LIMIT 31 6.1.1. TEST PROCEDURE 31 6.1.2. DEVIATION FROM STANDARD 31 6.1.3. TEST SETUP 31 6.1.4. EUT OPERATION CONDITIONS 31 6.1.5. TEST RESULTS 31 7. . ANTENNA REQUIREMENT 33 7.1. STANDARD REQUIREMENT 33 7.2. EUT ANTENNA 33 8. . TEST SEUUP PHOTO 33 9. . EUT PHOTO 33 Shenzhen DL Testing Technology Co., Ltd. Report No.: DLE-251105026R Test Report Tel: 400-688-3552 Web:www.dl-cert.com Email: [email protected] Page 4 of 33 1.. SUMMARY OF TEST RESULTS Test procedures according to the technical standards: FCC Part15 (15.247) , Subpart C Standard Section Test Item Judgment Remark 15.207 Conducted Emission PASS 15.247(c) Radiated Spurious Emission PASS 15.205 Band Edge Emission PASS 15.247(b) Peak Output Power PASS 15.247(a)(2) 6dB Bandwidth PASS 15.247(e) Power Spectral Density PASS 15.203 Antenna Requirement PASS NOTE: (1)” N/A” denotes test is not applicable in this Test Report Test lab: Shenzhen DL Testing Technology Co., Ltd. Address: 101-201, Comprehensive Building, Tongzhou Electronics Longgang Factory Area, No.1 Baolong Fifth Road, Baolong Community, Baolong Street, Longgang District, Shenzhen, China FCC Test Firm Registration Number: 854456 Designation Number: CN1307 IC Registered No.: 27485 CAB ID.: CN0118 1.1. MEASUREMENT UNCERTAINTY The reported uncertainty of measurement y ± U, where expended uncertainty U is based on a standard uncertainty multiplied by a coverage factor of k=2，providing a level of confidence of approximately 95 %。 No. Item Uncertainty 1 Conducted Emission Test ±2.56dB 2 RF power,conducted ±0.42dB 3 Spurious emissions,conducted ±2.76dB 4 All emissions,radiated(<1G) ±3.65dB 5 All emissions,radiated(>1G) ±4.89dB 6 Temperature ±0.5°C 7 Humidity ±2% 8 6dB Bandwidth ±0.2MHz 9 Power Spectral Density ±0.3dBm Shenzhen DL Testing Technology Co., Ltd. Report No.: DLE-251105026R Test Report Tel: 400-688-3552 Web:www.dl-cert.com Email: [email protected] Page 5 of 33 2.. GENERAL INFORMATION 2.1. GENERAL DESCRIPTION OF EUT Product Name: Smart Ring Trade Mark: N/A Model Number: Mworld M1, Mworld M2, Mworld T1, Mworld M3, Mworld C1 Test Model: Mworld M1 Model Difference All models are same as the samples except model name and appearance color, they have the same structure and circuit. Operation Frequency: 2402~2480MHz Channel numbers: 40 Channels Channel separation: 1MHz Modulation technology: GFSK Antenna Type: Internal Antenna Antenna gain: 2.71 dBi Power supply: DC 5V DC 3.7V from battery Note: 1.For a more detailed features desc…

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Shenzhen DL Testing Technology Co., Ltd. EUT TEST PHOTO Radiated Measurement Photos Shenzhen DL Testing Technology Co., Ltd. Shenzhen DL Testing Technology Co., Ltd. Conducted Measurement Photos ※※※※※ END OF REPORT ※※※※※