2AN5D-Y2087Oclean Smart Sonic Electric Toothbrush

Oclean Smart Sonic Electric Toothbrush User Manual Important Safety Notice This product is recommended for use by persons over 12 years of age. The product can only be used with Oclean replacement heads. We will not be responsible for any consequences resulting from the use of non-certified third-party brush heads. This product is for personal cleaning only and is not recommended for medical purpose or multi-user use. This product is for indoor use only. Do not place the toothbrush under direct sunlight for a prolonged period of time. It is recommended to be placed in the dry well-ventilated areas with normal temperature. Please keep the body dry before charging, dry it with a soft cloth, and clean the charging base with a dry cloth regularly to prevent the stain from building up. Brush head When replacing the brush head, please pull out or insert it vertically, and do not rotate left or right It is recommended by dentists to change the brush head every two to three months. Touch screen Support up and down swipe actions. Please touch with your finger pulp ON/OFF button Once the toothbrush turns on, a short press on the button when it is running will pause its operation; a short press again within 15 seconds will resume the operation; No operation for more than 15 seconds will black out the display and hibernate the toothbrush Wireless charging base The wireless charging base is used together with the silicone bracket Use for the first time: Tap the on/off button to turn on the toothbrush and enable Bluetooth. The toothbrush will then remain in standby mode; Bluetooth will also be in always-on mode. Brushing program: Without any settings, the toothbrush will run for 2 minutes by default following “Standard Daily Cleaning Program", where the toothbrush will alert the user of the need to change the brushing area by changing the vibration pattern every 30 seconds, and will automatically stop running after 2 minutes of operation. Charging the toothbrush: Dry the body before charging, and then place it on the wireless charging base for charging. You can determine the charging status with the indicator light on the wireless charging base and its battery level with the battery percentage shown on the Oclean electric toothbrush display. Please do not leave the toothbrush on the wireless charging base for a for a prolonged period of time for repeated charging. After fully charged, please remove the toothbrush from the wireless charging base in time and recharge it when the toothbrush alerts you its low battery status. Install the app: After scanning the QR code to download the Oclean APP, please search and connect your toothbrush in the app; Note： Attempt to connect the toothbrush in "System Settings - Bluetooth Settings" in your phone will not work. Wireless charging base Lay flat when charging, and do not place metal other than toothbrush on the charging base. During charging, please mount the wireless charging protective sleeve on the charging base and then place the toothbrush in the slot of the wireless charging base. Wall mount The toothbrush comes with a wall mount for space-saving storage Note Installation of the bottom of the wall mount When placing the toothbrush on the wall mount, make sure it is facing up. If you need more detailed product usage information, please follow the Olean Official Account Thanks for using Oclean Smart Sonic Electric Toothbrush. This is a smart sonic electric toothbrush product. Please read the user manual carefully to get started quickly. It can be used with the matching app. See below to learn more about brushing teeth with this toothbrush. Attention should be paid for those with the following conditions of oral sensitivities Those who hav e recently undergone periodontal surgery or are undergoing treatments. Individuals with other symptoms in the mouth including those with unstable dentures or have persistent heavy bleeding from the gums. Other individuals with sensitive and fragile oral issues. This product is not recommended for use with the above group or consult a professional dentist before use. This product is not suitable for people with disabilities, mental illness or lack of relevant experience and knowledge [including children (0-12 years old)]. Unless used under the supervision of their guardians. Instruction for use Turning the product on for the first time To us e the toothbrush for t he first tim e, pleas e short press the “On ” butto n, and it wil l turn on the toothbrush, and Bluetooth will also be in always-on mode. You can download and install the “Oclean App", and connect and set t he toothbrush in t he app. App installation and toothbrush setup Scan the QR code to complete the app installation, which will allow you to set various functions for your toothbrush, such as: Turning on/off th e “chang e brushing area alert after 30 seconds ", turning on/off the "Automatic Frequency Reduction Tooth Guard" function and etc. In addition, you can also customize your own brushing program and push the customized program directly to your toothbrush. Touch the screen to setup the toothbrush The toothbrush setup can also be made via the touch screen without connecting to the app. You can choose between four modes: Cleaning, Massage, Whitening and Sensitive, as well as select the duration and intensity. After receiving the pushed brushing program from the app, if any of the mode, intensity or duration changes are made via the touch screen, then the toothbrush will no longer perform the previous app-pushed brushing programs. Timer and brushing area changing alert The default duration of the brushing program is 2 minutes, with a momentary change in vibration status every 30 seconds to alert the user of the need to change the brushing area. Tooth brushing report After the brushing is done, the product display will show your brushing time, brushing scores, and tips for blind spot of tooth brushing for the bushing you have just completed. Brushing Mode Setup…

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Shenzhen Yunding Information Technology Co., Ltd. Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 Date: 2021-03-11 Subject; Request for Long Term Confidentiality FCC ID: 2AN5D-Y2087 To Whom It May Concern, Pursuant to the provisions of the Commission’s rules Title 47 Sections §0.457 and §0.459, we are requesting the Commission to withhold the following attachment(s) as confidential documents from public disclosure indefinitely. These documents contain detailed system and equipment descriptions and are considered as proprietary information in operation of the equipment. The public disclosure of these documents might be harmful to our company and would give competitors an unfair advantage in the market. Schematic Diagram Block Diagram Operational Description It is our understanding that all measurement test reports, FCC ID label format and correspondence during the certification review process cannot be granted as confidential documents and this information will be available for public review once the grant of equipment authorization is issued. Sincerely, Signature: Name: Mike Zheng Title: Quality Engineer

Shenzhen Yunding Information Technology Co., Ltd. Letter of Authorization Company: Shenzhen Yunding Information Technology Co., Ltd. Address: 32G, Tower 3, Dachong Business Building (The Third Phase),Shennan Avenue North, Tong Gu Road West, Yuehai Street Communities, Nanshan District, Shenzhen, Guangdong, China Product Name: Oclean Smart Sonic Electric Toothbrush Model Number: Y2087 FCC Identifier: 2AN5D-Y2087 We authorize MiCOM Labs Inc, 575 Boulder Court, Pleasanton, California 94566, USA, to act on our behalf on all matters concerning the above named equipment. Any individual within MiCOM Labs is authorized to act on our behalf and take action on the application. We declare that MiCOM Labs Inc, 575 Boulder Court, Pleasanton, California 94566, USA, is allowed to forward all information related to the approval project to the Federal Communication Commission and to discuss any issues concerning the approval application. Any and all acts carried out by MiCOM Labs on our behalf shall have the same effect as acts of our own. Name: Mike Zheng Date: 2021-03-11 Title: Quality Engineer

7.EXTERANAL AND INTERNAL PHOTOS External photos of EUT M odel:Y2087

FCC ID:2AN5D-Y2087 IC:24982-Y2087 Model:Y2087 E-Label This device has an electronic label for certification information. To access it, please go to Settings > About > Certification on your toothbrush.

Internal photos of EUT Model:Y2087

FCC ID: 2AN5D-Y2087 RF Exposure Evaluation REQUIREMENT KDB447498 D01 General RF Exposure Guidance v06, Clause 4.3.1(a) [(max. power of channel, including tune-up tolerance, mW) / (min. test separation distance, mm)] · [√f(GHz)] ≤ 7.5 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 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 according to 4.1 f) is applied to determine SAR test exclusion. TEST RESULT Passed Not Applicable Type Maximum Tune-up (dBm) Conducted Average Power BT-BLE -1.0~1.0 Type Conducted Average Power (dBm) Maximum Tune-up (dBm) Calculating data Limit Result BT BLE -0.43 1.0 0.390 7.5 Pass Note: 1) The maximum antenna gain is -0.56dBi 2) The exposure evaluation safety distance is 0mm.

Project No.: SHT2101018601EW Radio Specification: Bluetooth BLE Shenzhen Huatongwei International Inspection Co., Ltd. Appendix report page: 1 of 14 APPENDIX REPORT Project No. SHT2101018601EW Radio Specification Bluetooth BLE Test sample No. YPHT21010186006 Model No. Y2087 Start test date 2021-01-15 Finish date 2021-01-15 Temperature 22.6°C Humidity 22.7% Test Engineer Hailey Chen Auditor Appendix clause Test item Result A Peak Output Power PASS B Power Spectral Density PASS C 6 dB Bandwidth PASS D 99% Occupied Bandwidth PASS E Duty cycle PASS F Band edge and Spurious Emissions (conducted) PASS Project No.: SHT2101018601EW Radio Specification: Bluetooth BLE Shenzhen Huatongwei International Inspection Co., Ltd. Appendix report page: 2 of 14 Appendix A：Peak Output Power Type Channel Output power (dBm) Average Output power (dBm) Limit (dBm) Result BT-BLE 00 -0.41 -0.43 ≤ 30.00 Pass 19 -1.40 -1.41 39 -0.93 -0.95 Project No.: SHT2101018601EW Radio Specification: Bluetooth BLE Shenzhen Huatongwei International Inspection Co., Ltd. Appendix report page: 3 of 14 CH00 Date: 15.JAN.2021 09:09:59 CH19 Date: 15.JAN.2021 09:16:10 CH39 Date: 15.JAN.2021 09:21:10 Project No.: SHT2101018601EW Radio Specification: Bluetooth BLE Shenzhen Huatongwei International Inspection Co., Ltd. Appendix report page: 4 of 14 Appendix B：Power Spectral Density Type Channel Power Spectral Density(dBm/3KHz) Limit (dBm/3KHz) Result BT-BLE 00 -12.71 ≤8.00 Pass 19 -17.31 39 -14.36 Project No.: SHT2101018601EW Radio Specification: Bluetooth BLE Shenzhen Huatongwei International Inspection Co., Ltd. Appendix report page: 5 of 14 CH00 Date: 15.JAN.2021 09:10:45 CH19 Date: 15.JAN.2021 09:17:58 CH39 Date: 15.JAN.2021 09:24:30 Project No.: SHT2101018601EW Radio Specification: Bluetooth BLE Shenzhen Huatongwei International Inspection Co., Ltd. Appendix report page: 6 of 14 Appendix C：6dB bandwidth Type Channel 6dB Bandwidth(kHz) Limit (kHz) Result BT-BLE 00 622.00 ≥500 Pass 19 706.00 39 608.00 Project No.: SHT2101018601EW Radio Specification: Bluetooth BLE Shenzhen Huatongwei International Inspection Co., Ltd. Appendix report page: 7 of 14 CH00 Date: 15.JAN.2021 09:09:21 CH19 Date: 15.JAN.2021 09:15:15 CH39 Date: 15.JAN.2021 09:19:36 Project No.: SHT2101018601EW Radio Specification: Bluetooth BLE Shenzhen Huatongwei International Inspection Co., Ltd. Appendix report page: 8 of 14 Appendix D：99% Occupied Bandwidth Type Channel 99% Occupied Bandwidth(MHz) Limit (kHz) Result BT-BLE 00 1.05 - Pass 19 1.03 39 1.04 Project No.: SHT2101018601EW Radio Specification: Bluetooth BLE Shenzhen Huatongwei International Inspection Co., Ltd. Appendix report page: 9 of 14 CH00 Date: 15.JAN.2021 09:09:50 CH19 Date: 15.JAN.2021 09:16:00 CH39 Date: 15.JAN.2021 09:21:00 Project No.: SHT2101018601EW Radio Specification: Bluetooth BLE Shenzhen Huatongwei International Inspection Co., Ltd. Appendix report page: 10 of 14 Appendix E：Duty cycle Test Frequency （MHz） T on time for single burst (ms) T period (ms) Duty cycle 1/T on time (kHz) 2440 0.15 0.62 24.2% 6.7 Date: 15.JAN.2021 09:15:01 Project No.: SHT2101018601EW Radio Specification: Bluetooth BLE Shenzhen Huatongwei International Inspection Co., Ltd. Appendix report page: 11 of 14 Appendix F：Band edge and Spurious Emissions (conducted) Test Item: Band edge CH00 Date: 15.JAN.2021 09:12:45 CH39 Date: 15.JAN.2021 09:22:35 Project No.: SHT2101018601EW Radio Specification: Bluetooth BLE Shenzhen Huatongwei International Inspection Co., Ltd. Appendix report page: 12 of 14 Test Item: SE CH00 Reference level Date: 15.JAN.2021 09:13:14 CH00 30MHz~1000MHz Date: 15.JAN.2021 09:13:30 CH00 1GHz~26GHz Date: 15.JAN.2021 09:13:46 Project No.: SHT2101018601EW Radio Specification: Bluetooth BLE Shenzhen Huatongwei International Inspection Co., Ltd. Appendix report page: 13 of 14 CH19 Reference level Date: 15.JAN.2021 09:34:40 CH19 30MHz~1000MHz Date: 15.JAN.2021 09:34:56 CH19 1GHz~26GHz Date: 15.JAN.2021 09:35:12 Project No.: SHT2101018601EW Radio Specification: Bluetooth BLE Shenzhen Huatongwei International Inspection Co., Ltd. Appendix report page: 14 of 14 CH39 Reference level Date: 15.JAN.2021 09:22:42 CH39 30MHz~1000MHz Date: 15.JAN.2021 09:22:58 CH39 1GHz~26GHz Date: 15.JAN.2021 09:23:15 --------End of Report--------

Page: 1 of 35 TEST REPORT Report No. ...................................... : CHTEW21020058 Report Verification: Project No.................................： SHT2101018601EW FCC ID ............................................. : 2AN5D-Y2087 Applicant’s name ........................... : Shenzhen Yunding Information Technology Co., Ltd. Address ............................................. : 32G, Tower 3, Dachong Business Building (The Third Phase), Shennan Avenue North,Tong Gu Road West, Yuehai Street Communities, Nanshan District, Shenzhen, Guangdong, China. Test item description .................... : Oclean Smart Sonic Electric Toothbrush Trade Mark ....................................... : Oclean Model/Type reference ....................... : Y2087 Listed Model(s) ................................. : - Standard ......................................... : FCC CFR Title 47 Part 15 Subpart C Section 15.247 Date of receipt of test sample..........: Jan. 12, 2021 Date of testing.............................: Jan. 13, 2021- Feb. 20, 2021 Date of issue...............................: Feb. 22, 2021 Result .................. ........................: PASS Compiled by ( Position+Printed name+Signature): File administrator Silvia Li Supervised by (Position+Printed name+Signature): Project Engineer Xiao Cheng Approved by (Position+Printed name+Signature): RF Manager Hans Hu Testing Laboratory Name ............. : Shenzhen Huatongwei International Inspection Co., Ltd. Address ............................................. : 1/F, Bldg 3, Hongfa Hi-tech Industrial Park, Genyu Road, Tianliao, Gongming, Shenzhen, China Shenzhen Huatongwei International Inspection Co., Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen Huatongwei International Inspection Co., Ltd. is acknowledged as copyright owner and source of the material. Shenzhen Huatongwei International Inspection 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. The test report merely correspond to the test sample. Report No.: CHTEW21020058 Page: 2 of 35 Issued: 2021-02-22 Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V03 (2021-01) Contents 1. TEST S T AN D AR D S A N D R E P O R T V E R S I O N 3 1.1. Test Standards 3 1.2. Report version 3 2. TEST DESCRIPTION 4 3. SUMMARY 5 3.1. Client Information 5 3.2. Product Description 5 3.3. Radio Specification Description 5 3.4. Testing Laboratory Information 6 4. TEST CONFIGURATION 7 4.1. Test frequency list 7 4.2. Test mode 7 4.3. Support unit used in test configuration and system 7 4.4. Testing environmental condition 8 4.5. Measurement uncertainty 8 4.6. Equipment Used during the Test 9 5. TEST CONDITIONS AND RESULTS 11 5.1. Antenna Requirement 11 5.2. AC Conducted Emission 12 5.3. Peak Output Power 15 5.4. Power Spectral Density 16 5.5. 6dB bandwidth 17 5.6. 99% Occupied Bandwidth 18 5.7. Duty Cycle 19 5.8. Conducted Band edge and Spurious Emission 20 5.9. Radiated Band edge Emission 22 5.10. Radiated Spurious Emission 24 6. TEST SETUP PHOTOS 29 7. EXTERANAL AND INTERNAL PHOTOS 30 8. APPENDIX REPORT 35 Report No.: CHTEW21020058 Page: 3 of 35 Issued: 2021-02-22 Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V03 (2021-01) 1. TEST STAND ARDS AND REPORT VERSION 1.1. Test 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 ‒ KDB 558074 D01 15.247 Meas Guidance v05r02: Guidance for Compliance Measurements on Digital Transmission System, Frequency Hopping Spread Spectrum System, and Hybrid System Devices Operating under Section 15.247 of The FCC Rules 1.2. Report version Revision No. Date of issue Description N/A 2021-02-22 Original Report No.: CHTEW21020058 Page: 4 of 35 Issued: 2021-02-22 Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V03 (2021-01) 2. TEST DESCRIPTION Report clause Test Items Standard Requirement Result 5.1 Antenna Requirement 15.203/15.247(c) PASS 5.2 AC Conducted Emission 15.207 PASS 5.3 Peak Output Power 15.247(b)(3) PASS 5.4 Power Spectral Density 15.247(e) PASS 5.5 6dB Bandwidth 15.247(a)(2) PASS 5.6 99% Occupied Bandwidth - PASS *1 5.7 Duty cycle - PASS *1 5.8 Conducted Band Edge and Spurious Emission 15.247(d)/15.205 PASS 5.9 Radiated Band Edge Emission 15.205/15.209 PASS 5.10 Radiated Spurious Emission 15.247(d)/15.205/15.209 PASS Note: ‒ The measurement uncertainty is not included in the test result. ‒ *1: No requirement on standard, only report these test data. Report No.: CHTEW21020058 Page: 5 of 35 Issued: 2021-02-22 Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V03 (2021-01) 3. SUMMARY 3.1. Client Information Applicant: Shenzhen Yunding Information Technology Co., Ltd. Address: 32G, Tower 3, Dachong Business Building (The Third Phase), Shennan Avenue North,Tong Gu Road West, Yuehai Street Communities, Nanshan District, Shenzhen, Guangdong, China. Manufacturer: Shenzhen Yunding Information Technology Co., Ltd. Address: 32G, Tower 3, Dachong Business Building (The Third Phase), Shennan Avenue North,Tong Gu Road West, Yuehai Street Communities, Nanshan District, Shenzhen, Guangdong, China. 3.2. Product Description Name of EUT: Oclean Smart Sonic Electric Toothbrush Trade Mark: Oclean Model No.: Y2087 Listed Model(s): - Power supply: DC 3.7V Battery Information: 3.7V, 800mAh Adapter Information: - Hardware version: Y3X.MB.V02 Software version: V11 3.3. Radio Specification Description Bluetooth version: V5.0 Support function *2 : BLE Modulation: GFSK Operation fr…

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6.TEST SETUP PHOTOS Radiated Emission AC Conducted Emission M odel:Y2087