2AJVH-MEGASmart Watch

1 Get Started 1 What’s in the box 2 Watch Overview 3 Charging Your Watch 6 Turning the watch On and O 6 Wake Up the Watch 7 Set Up 7 App Set Up 8 Pair the Watch 10 Wearing the Watch 11 Changing the Band 12 Cleaning the Watch 13 Watch Navigation 13 Basic Navigation 15 Change the Watch Face 16 Activity Tracking 18 Heart Rate 18 Record Workouts 23 Blood Oxygen SpO2 24 Notifications 25 Favorite Contacts 25 Bluetooth Calling 28 Music Table of Contents 1 28 Weather 29 Quick Settings 31 Call Function Switch 31 Find My Phone 32 Adjust the Brightness 32 Do Not Disturb Mode 33 Update, Turn On/O and Reset 33 Update 33 Restart 34 Factory Reset 35 General Information and Troubleshooting 35 Sensors 35 Battery 36 Display 36 Memory 36 Operating Conditions 36 Heart Rate is Not Showing 37 Other Issues 38 Regulatory and Safety Information 42 Customer Service Support Introducing the 3PLUS Mega smart watch, your personal fitness companion that lasts 7+ days and helps you track your everyday activity to help make fitness, your lifestyle. 1x Mega1x Charing Cable Get Started What’s in the box 23 To charge Mega 1. Attach the pins on the USB cable to the back of the Mega. The cable will magnetically snap into place when attached correctly TouchscreenNavigation Button Before you set up the watch, you need to charge the battery. Use the USB charging cable provided with your watch to charge its battery. On a full charge, the Mega smart watch has a battery life of 7+ days. Battery life and time to fully charge your device vary with use and other factors. Watch Overiew Charging Your Watch 45 2. Plug the USB cable into a power adaptor or a computer. Plug the power adaptor into an electrical socket. *Power adaptor is not included. 3. While your watch is charging, the screen will show the charging progress through battery percentage. The watch may become warm while charging. If the watch becomes hotter than usual, remove the watch from the charger and discontinue charging until it cools. To maximize battery life, make sure the battery is fully charged before you use the watch every time. If the charging screen does not appear after connecting to a power source, check if the pins are attached correctly to the back of the watch. Do not charge the watch of the device or USB charging cable is wet or contains any moisture. This can cause fire, electric shock, injury or damage to the watch. Exposure to liquids or other foreign objects while using your watch may aect the charging, causing it to disconnect from the watch while charging. This USB charging cable is specifically designed to only be used with this watch and is not compatible with other 3+ devices.. 4. Once the battery is fully charged, remove it from the charger. 67 To turn on your watch, press and hold the button for 2.5 seconds. To turn o your watch, press and hold the button for 4 seconds until you see the prompt asking if you want to turn o your watch. Tap to turn o the watch. Download the 3+ GO App on iOS or Android mobile devices. Not compatible for tablets, Windows or PC. The 3+ GO App will ask for personal information such as height, weight and sex to calculate your stride length, walking distance, calorie burn rate and basal metabolic rate. When you set up your account, your name and profile picture will be visible to other 3+ GO users. To preserve battery, the watch screen turns o when not in use. To turn the screen back on, you can wake up the watch by: Pressing the button Raise the wrist and turn the watch toward you. On your mobile device, download the 3+ GO App from the Google Play store or the Apple App store and install in. Create an account or login using an existing account. Before pairing, follow these steps to set up your watch to your mobile device. Make sure your mobile device is running Android 5.0+ or iOS 10+ and supports Bluetooth. Turn on the Bluetooth on your mobile device if it isn’t already on. Make sure your mobile device is next to your watch. Make sure your mobile device is connected to a mobile data or a WiFi network Turning the watch On and O Wake Up the Watch Set Up App Set Up Stay Connected 89 Turn on the Mega smart watch. Match the device ID number to the device ID on the 3+ GO App. Make sure the correct device is selected, then tap pair to connect the watch. Scan the QR code with your mobile device camera to download the 3+ GO app OR download the 3+ GO app from the Apple App Store (IOS) or Google Play Store. Open the 3+ GO App on your mobile device. Create an account or login using an existing 3Plus account. Select the Mega smart watch from the list of devices. Your mobile device will automatically search for nearby Mega. Select your device from the list that appears on the app. Swipe left on the watch until it shows the QR code. Tape the icon at the top right corner on the app screen. For both iPhone and Android users, set the location service to “always” under your phone privacy settings. Allow the “Nearby device” under your App permission in the phone settings. (Android users only) Go to your App and swipe down the main page to constantly sync with your watch to keep the data up to date. Your App also automatically syncs with your watch once a while. However, please DO NOT close your App and have your App always running in the background in order to always stay connected. Scan the QR code with your mobile device camera. Pair the Watch 1011 For best result, the heart rate and blood oxygen sensor on the back of the Mege smart watch needs skin contact to work properly. Wearing the watch with the right fit with a little room for your skin to breath will keep your wrist comfortable and let the sensor do its job. You may want to tighten the watch during workouts but loosen it when you're done. The heart rate and blood oxygen sensor only works if the watch is worn on top of your wrist. Push the quick release pin inward to release the band and pull the band away from the watch. Keep your watch and bands clean and dr…

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3Plus International Inc. Covered Equipment Certification Attestation Letter 3/5/2024 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA ATTN.: Reviewing Engineer FCC ID: 2AJVH-MEGA 3Plus International Inc. (“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. 3Plus International Inc. (“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: Yau Hwa Chan Title: Account Executive Company Name: 3Plus International Inc. Date: 3/5/2024

3Plus International Inc. * 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 3/5/2024 TO: Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 ATTN.: Reviewing Engineer FCC ID: 2AJVH-MEGA FRN of applicant: 0025909045 Per section 2.911(d)(7) of the FCC rules,[ 3Plus International Inc.](“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: 3Plus International Inc. FCC Registration Number (FRN): 0025909045 Physical U.S. Company Address: 1502 Foothill Blvd Suite 103-260, La Verne, California 91750, United States Contact Person: Yau Hwa Chan 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: Yau Hwa Chan Title: Account Executive Company Name: 3Plus International Inc. Date: 3/5/2024 Agent Signed (if different from Applicant): Signed: Printed name: Yau Hwa Chan Title: Account Executive Company Name: 3Plus International Inc. Date: 3/5/2024

3Plus International Inc. 2024-03-05 Federal Communications Commission Authorization & Evaluation Division 7345 Oakland Mills Road Columbia, Maryland 21046 Authority to Act asAgent On our behalf, I appoint SHENZHEN TONGCE TESTING LAB / 2101 & 2201, Zhenchang Factory Renshan Industrial Zone, Fuhai Subdistrict, Bao'an District, Shenzhen, Guangdong, 518103, People's Republic of China (Name of Agent company name andaddress) 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. Forinstanceswhereourauthorizedagentsignstheapplicationforcertificationonourbehalf,Iack nowledgethatallresponsibilityforcomplyingwiththetermsandconditionsforcertification,stillres ideswith 3Plus International Inc./ 1502 Foothill Blvd Suite 103-260, La Verne, California 91750, United States (Applicant Nameandaddress) <Signature> Name: Yau Hwa Chan Title: Account Executive Applicant Company: 3Plus International Inc.

3Plus International Inc. 2024-03-05 Equipment Autorisation Division Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 FCC ID: 2AJVH-MEGA Product Name: Smart Watch Request for Confidentiality Pursuant to Sections 0.457 and 0.459 of the commissions rules, we hereby request that the following documents be held confidential: • 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: Yau Hwa Chan Title: Account Executive Company: 3Plus International Inc.

3Plus International Inc. 1502 Foothill Blvd Suite 103-260, La Verne, California 91750, United States Statement Product: Smart Watch Model: MEGA Additional Model: MEGA+, 3PLUS MEGA, 3PLUS MEGA+ Trademark : We hereby state that MEGA is tested model, other models are derivative models. The models are identical in circuit and PCB layout, only different on the model names, color and appearance. So the test data of MEGA can represent the remaining models. Your assistance on this matter is highly appreciated. Yours sincerely, Signature: Date: 2024/03/11 Name: Yau Hwa Chan Company Name: 3Plus International Inc. Address: 1502 Foothill Blvd Suite 103-260, La Verne, California 91750, United States Tel / Fax: 909-447-8369/909-447-8366 E-Mail: [email protected]

Page 1 of 5 Appendix C: Photographs of EUT Product: Smart Watch Model: MEGA External Photos Page 2 of 5 Page 3 of 5 Page 4 of 5 Page 5 of 5

FCC ID: 2AJVH-MEGA Size:L*W=11mm*1mm Label and location: Label Artwork and Location Model: MEGA Location

Page 1 of 5 Appendix C: Photographs of EUT Product: Smart Watch Model: MEGA Internal Photos Page 2 of 5 Antenna Page 3 of 5 Page 4 of 5 Page 5 of 5

Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com TEST REPORT FCC ID. ............................ : 2AJVH-MEGA Test Report No. ............... : TCT240226E034 Date of issue ................... : Mar. 04, 2024 Testing laboratory .......... : SHENZHEN TONGCE TESTING LAB Testing location/ address: 2101 & 2201, Zhenchang Factory Renshan Industrial Zone, Fuhai Subdistrict, Bao'an District, Shenzhen, Guangdong, 518103, People's Republic of China Applicant's name ............ : 3Plus International Inc. Address ........................... : 1502 Foothill Blvd Suite 103-260, La Verne, California 91750, United States Manufacturer's name ... : 3Plus International Inc. Address ........................... : 1502 Foothill Blvd Suite 103-260, La Verne, California 91750, United States Standard(s) ..................... : KDB 447498 D01 General RF Exposure Guidance v06 Product Name ................. : Smart Watch Trade Mark ...................... : Model/Type reference..... : MEGA, MEGA+, 3PLUS MEGA, 3PLUS MEGA+ Rating(s).......................... : Rechargeable Li-ion Battery DC 3.8V Date of receipt of test item ......................................... : Feb. 26, 2024 Date (s) of performance of test ................................... : Feb. 26, 2024 ~ Mar. 04, 2024 Tested by (+signature) ... : Onnado YE Check by (+signature) .... : Beryl ZHAO Approved by (+signature): Tomsin General disclaimer: This report shall not be reproduced except in full, without the written approval of SHENZHEN TONGCE TESTING LAB. This document may be altered or revised by SHENZHEN TONGCE TESTING LAB personnel only, and shall be noted in the revision section of the document. The test results in the report only apply to the tested sample. Report No.: TCT240226E034 Page 2 of 6 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com Table of Contents 1. General Product Information .................................................................. 3 1.1. EUT description ..................................................................................................... 3 1.2. Model(s) list ............................................................................................................ 3 2. General Information ................................................................................. 4 2.1. Test environment and mode ................................................................................. 4 2.2. Description of Support Units ................................................................................ 4 3. Facilities and Accreditations .................................................................. 5 3.1. Facilities ................................................................................................................. 5 3.2. Location ................................................................................................................. 5 4. Test Results and Measurement Data ..................................................... 6 Report No.: TCT240226E034 Page 3 of 6 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com 1. General Product Information 1.1. EUT description Product Name ....................... : Smart Watch Model/Type reference........... : MEGA Sample Number....................: TCT240226E014-0101 Operation Frequency ........... : 2402MHz~2480MHz Modulation Type ................... : For BT: GFSK, π/4-DQPSK, 8DPSK For BLE: GFSK Antenna Type ........................ : Internal Antenna Antenna Gain ........................ : 0.17dBi Rating(s)................................ : Rechargeable Li-ion Battery DC 3.8V Note: The antenna gain listed in this report is provided by applicant, and the test laboratory is not responsible for this parameter. 1.2. Model(s) list No. Model No. Tested with 1 MEGA Other models MEGA+, 3PLUS MEGA, 3PLUS MEGA+ Note: MEGA is tested model, other models are derivative models. The models are identical in circuit and PCB layout, only different on the model names, color and appearance. So the test data of MEGA can represent the remaining models. Report No.: TCT240226E034 Page 4 of 6 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com 2. General Information 2.1. Test environment and mode Item Normal condition Temperature +25ºC Voltage DC 3.8V Humidity 56% Atmospheric Pressure: 1008 mbar Test Mode: Engineering mode: Keep the EUT in continuous transmitting by select channel 2.2. Description of Support Units The EUT has been tested as an independent unit together with other necessary accessories or support units. The following support units or accessories were used to form a representative test configuration during the tests. Equipment Model No. Serial No. FCC ID Trade Name / / / / / Note: 1. All the equipment/cables were placed in the worst-case configuration to maximize the emission during the test. 2. Grounding was established in accordance with the manufacturer’s requirements and conditions for the intended use. 3. For conducted measurements (Output Power, 20dB Occupied Bandwidth, Carrier Frequencies Separation, Hopping Channel Number, Dwell Time, Spurious Emissions), the antenna of EUT is connected to the test equipment via temporary antenna connector, the antenna connector is soldered on the antenna port of EUT, and the temporary antenna connector is listed in the Test Instruments. Report No.: TCT240226E034 Page 5 of 6 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com 3. Facilities and Accreditations 3.1. Facilities The test facility is recognized, certified, or accredited by the following organizations: ● FCC - Registration No.: 645098 SHENZHEN TONGCE TESTING LAB Designation Number: CN1205 The testing lab has been registered and fully described in a report with the (FCC) Federal Communications Commission. The acceptance letter from the FCC is maintained in our files. ● IC - …

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Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com TEST REPORT FCC ID. ............................ : 2AJVH-MEGA Test Report No. ............... : TCT240226E015 Date of issue ................... : Mar. 04, 2024 Testing laboratory .......... : SHENZHEN TONGCE TESTING LAB Testing location/ address: 2101 & 2201, Zhenchang Factory Renshan Industrial Zone, Fuhai Subdistrict, Bao'an District, Shenzhen, Guangdong, 518103, People's Republic of China Applicant's name ............ : 3Plus International Inc. Address ........................... : 1502 Foothill Blvd Suite 103-260, La Verne, California 91750, United States Manufacturer's name ... : 3Plus International Inc. Address ........................... : 1502 Foothill Blvd Suite 103-260, La Verne, California 91750, United States Standard(s) ..................... : FCC CFR Title 47 Part 15 Subpart C Section 15.247 FCC KDB 558074 D01 15.247 Meas Guidance v05r02 ANSI C63.10:2013 Product Name ................. : Smart Watch Trade Mark ...................... : Model/Type reference..... : MEGA, MEGA+, 3PLUS MEGA, 3PLUS MEGA+ Rating(s).......................... : Rechargeable Li-ion Battery DC 3.8V Date of receipt of test item ......................................... : Feb. 26, 2024 Date (s) of performance of test ................................... : Feb. 26, 2024 ~ Mar. 04, 2024 Tested by (+signature) ... : Onnado YE Check by (+signature) .... : Beryl ZHAO Approved by (+signature): Tomsin General disclaimer: This report shall not be reproduced except in full, without the written approval of SHENZHEN TONGCE TESTING LAB. This document may be altered or revised by SHENZHEN TONGCE TESTING LAB personnel only, and shall be noted in the revision section of the document. The test results in the report only apply to the tested sample. Report No.: TCT240226E015 Page 2 of 56 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com Table of Contents 1. General Product Information .................................................................. 3 1.1. EUT description ..................................................................................................... 3 1.2. Model(s) list ............................................................................................................ 3 1.3. Operation Frequency ............................................................................................ 3 2. Test Result Summary .............................................................................. 4 3. General Information ................................................................................. 5 3.1. Test environment and mode ................................................................................. 5 3.2. Description of Support Units ................................................................................ 5 4. Facilities and Accreditations .................................................................. 6 4.1. Facilities ................................................................................................................. 6 4.2. Location ................................................................................................................. 6 4.3. Measurement Uncertainty ..................................................................................... 6 5. Test Results and Measurement Data ..................................................... 7 5.1. Antenna requirement ............................................................................................ 7 5.2. Conducted Emission ............................................................................................. 8 5.3. Conducted Output Power ................................................................................... 12 5.4. Emission Bandwidth ........................................................................................... 13 5.5. Power Spectral Density ....................................................................................... 14 5.6. Conducted Band Edge and Spurious Emission Measurement ....................... 15 5.7. Radiated Spurious Emission Measurement ...................................................... 17 Appendix A: Test Result of Conducted Test Appendix B: Photographs of Test Setup Appendix C: Photographs of EUT Report No.: TCT240226E015 Page 3 of 56 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com 1. General Product Information 1.1. EUT description Product Name ....................... : Smart Watch Model/Type reference........... : MEGA Sample Number....................: TCT240226E014-0101 Bluetooth Version ................ : V5.3 (This report is for BLE) Operation Frequency ........... : 2402MHz~2480MHz Channel Separation .............. : 2MHz Data Rate ............................... : LE 1M PHY, LE 2M PHY Number of Channel .............. : 40 Modulation Type ................... : GFSK Antenna Type ........................ : Internal Antenna Antenna Gain ........................ : 0.17dBi Rating(s)................................ : Rechargeable Li-ion Battery DC 3.8V Note: The antenna gain listed in this report is provided by applicant, and the test laboratory is not responsible for this parameter. 1.2. Model(s) list No. Model No. Tested with 1 MEGA Other models MEGA+, 3PLUS MEGA, 3PLUS MEGA+ Note: MEGA is tested model, other models are derivative models. The models are identical in circuit and PCB layout, only different on the model names, color and appearance. So the test data of MEGA can represent the remaining models. 1.3. Operation Frequency Channel Frequency Channel Frequency Channel Frequency Channel Frequency 0 2402MHz 10 2422MHz 20 2442MHz 30 2462MHz 1 2404MHz 11 2424MHz 21 2444MHz 31 2464MHz ... ... ... ... ... ... ... ... 8 2418MHz 18 2438MHz 28 2458MHz 38 2478MHz 9 2420MHz 19 2440MHz 29 2460MHz 39 2480MHz Remark: Channel 0, 19 & 39 have been tested. Report No.: TCT24022…

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Company name： Anhui Xiechuang Internet of ThingsTechnology Co., Ltd Terminal wires REDSINGLEO.2COPPERWIRE/23MMRED 2023-07-25 admit Signature Supplier Acknowledgement Customer acknowledges engineer AuditapproveengineerAuditapprove stampstamp datedate Instructions： □accept □Conditionalacceptance The storage time under the storage conditions Packing: Packed in PE bags Storage temperature range -20-37°C Storage relative humidity range ≤60%≤60% Storage time 12 12months remark：rk: SSupplier name: Shenzhen Huianxin Digital Technology Co., Ltd SSupplier address: 3rd Floor, Building C, Fukang Science and Technology Park, Yousong Road, Longhua New District, Shenzhen Telephonenumber：1375103159875 Email：[email protected] Hui Anxin LLeng Jun LLengg QQinxiang Acknowledgment Model specifications： Gong Jiyong 2023-7-25 The item code： The name of the item： date： Vendorrname： brand: Shenzhen Huianxin Digital Technology Co., Ltd Shenzhen Huianxin Digital Technology Co., Ltd Document revision resume serial number date Enactment/amendment/repeal of content 版本制定核准 1 2023-07-25 New releases version Gong Jiyong Zhou Ming Shenzhen Huianxin Digital Technology Co., Ltd Cable details I ：Composition and electrical performance of the connector 1：Plastic shell material ：PA66 2：Terminal material：Phosphor bronze tinned 3：Rated voltage: 250V 4：Rated current: 2A 5：Contact resistance: ≤0.01Ω 6：Insulation resistance: ≥100MΩ 7：Withstand voltage: 300V AC 8：Ambient temperature range: -25°C - 85°C 9：Applicable wire gauge: 26#-32# 10： spacing： 11：PIN bits： II：Composition and electrical properties of the wiring harness 1：Insulation material: PVC 2：Conductor material: tinned copper 3：Insulation outer diameter: 0.6mm±0.08mm 4：Conductor diameter: 1*0.2mm±0.03mm 5：Conductor cross-sectional area: 0.031mm² III ：mechanical properties of wire 1：Wire swing test: hang 50g standard weight, reciprocating motion at 90° back and forth at a speed of 40/min,The number of wire swings ≥ 800 times without breaking. 2： Terminal and wire tensile force: ≥1.2KG 3：The mating force between the terminal and the rubber shell: ≥6N Packing: According to the length of the wire, the model is different, the number of each wire rod is 50-500 a bundle, at least 100 finished products are spot-checked before shipment, and the wire rod is evenly divided into each wire, after the completion of the small wire is packed in PE bags, pasted with internal labels, and protected by bubble bags with looper needles, according to the actual situation of the wire, 350mm*190mm*230mm or 450mm*315mm*320mm boxes are used to pack, 1000pcs-10000pcs per box, and then sealed with transparent tape, Affix the outer label, Effiency&Gain RadiationPattern:

Page 1 of 2 Appendix B: Photographs of Test Setup Product: Smart Watch Model: MEGA Radiated Emission Page 2 of 2 Conducted Emission