2AO23-C8926LSEarbud Case Charging Pad

• Double check that the Micro-USB cable is plugged in and DC 5V 2A power source is working • Certain protective cases may interfere with wireless charging. Remove the protective case for best results. • Double check the placement of the device on the wireless charger. For best results, the center of the device should be on the center of wireless charger troubleshooting • Keep the charger away from heat and direct sunlight • Do not modify or repair this device • Do not use in high temperatures or extreme weather • Do not use chemical detergents to clean your device, use a soft dry cloth • Immediately unplug the device from the power source if it gets wet safety Can’t get it to charge? Just have a question? call us at: 877-698-4883 or: 877-MyTgtTech e-mail us at: TargetTechSupport.com need some help? • Alignment matters - centering the device on the charging surface ensures the fastest and most ecient charge • Protective cases as well as some materials can interfere with the ability to charge quick tips • Solid Red - Ready to charging your device Solid White - Charging your device Flashing Red and White - Foreign object detection, pieces of metal or other materials may cause overheating and damage your charger or earbud case. Remove them immediately indicators • Wireless charger • USB-A to Micro-USB charging cable (note: charging cable does not transfer data) included • Place the charger on a sturdy at surface • Using the Micro-USB cable provided, plug the cable into a USB power supply of DC 5V 2A minimum warning: please use UL compliant power supply • Place your QI-enabled device onto the wireless charger and align the device with the center of the charging surface or the device will not charge • Charge time will vary by device charging This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator and your body. This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter. NOTE: 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. Warning: Changes or modications to this unit not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. 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. However, there is no guarantee 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 o 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 dierent from that to which the receiver is connected. • Consult the dealer or an experienced radio/TV technician for help. Target Corp. Mpls. MN, 55403 Phone: 612-304-6073 FCC ID: 2AO23-C8926LS Model: C8926LS Input: DC 5V 2A Output: 5W Max Made in China charging indicator Micro-USB port back top earbud case charging pad

Chug, Inc. Statement Signature: Name / title:Michael Clemmer / General manager Tel: ++8613798203746 Date: 2020/12/2 Product Name:Earbud Case Charging Pad Model No.: C8926LS, PW017 We(Chug, Inc. ; 7157 Shady Oak Road, Eden Prairie, MN 55344, USA) hereby state that all models above are are the same circuit and RF module, except the model No.

C5266091_X8_Ed.1 1/1 Letter of Authorization Company: Chug, Inc. Address: 7157 Shady Oak Road, Eden Prairie, MN 55344, USA Product Name: Earbud Case Charging Pad Model Number: C8926LS, PW017 FCC Identifier: 2AO23-C8926LS We authorize LGAI Technological Center S.A., Ronda de la Font del Carme, s/n, 08193 Bellaterra, Spain, to act on our behalf on all matters concerning the above named equipment. Any individual within LGAI Technological Center S.A. is authorized to act on our behalf and take action on the application. We declare that authorize LGAI Technological Center S.A., Ronda de la Font del Carme, s/n, 08193 Bellaterra, Spain, 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 LGAI Technological Center S.A. on our behalf shall have the same effect as acts of our own. Name: Michael Clemmer Date: 12/2/2020 Title: general manager Signature of applicant:

C5266091_X10_Ed.1 1/1 Chug, Inc. Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 Date: 12/2/2020 Subject: Request for Confidentiality FCC ID: 2AO23-C8926LS To Whom It May Concern, Pursuant to the provisions of Sections 0.457 and 0.459 of Commission's rules (47CFR0.457, 0.459), we are requesting the Commission to withhold the following attachment(s) as confidential document from public disclosure. Exhibits Long-Term Confidentiality Short-Term Confidentiality ID Label/Location No No Attestation Statement No No External Photos No Block Diagram Schematics Test Report No No Test Setup Photos No User’s Manual Internal Photos Parts List / Tune Up RF Exposure Info Operational Description Cover Letter(s) No No SDR Software / Security Info No Above mentioned document contains detailed system and equipment description are considered as proprietary information in operation of the equipment. The public disclosure of above documents might be harmful to our company and would give competitor an unfair advantage in the market. It is our understanding that all measurement test reports, FCC ID label format and correspondent during certification review process cannot be granted as confidential documents and those information will be available for public review once the grant of equipment authorization is issued. Sincerely, Signature: Name: Michael Clemmer Date: 12/2/2020 Title: general manager

76.00 65.30 14.00 14.50 18.9 mm 4.7 mm 59.6 mm 32.0 mm Model: C8926LS Input: DC 5V/2A, Output: 5W Max FCC ID: 2AO23-C8926LS Made in China MC: F1220 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. Earbud Case Charging Pad

1 - Page 1 of 3 - Report No.: MTi20111706-2E1-1 Tel:(86-755)88850135 Fax: (86-755) 88850136 Web: http://www.mtitest.com E-mail: [email protected] Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’ an District, Shenzhen, Guangdong, China. APPENDIX 1: EUT PHOTO Photo 1 (For model C8926LS) Photo 2 Coil antenna 1 - Page 2 of 3 - Report No.: MTi20111706-2E1-1 Tel:(86-755)88850135 Fax: (86-755) 88850136 Web: http://www.mtitest.com E-mail: [email protected] Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’ an District, Shenzhen, Guangdong, China. Photo 3 Photo 4 1 - Page 3 of 3 - Report No.: MTi20111706-2E1-1 Tel:(86-755)88850135 Fax: (86-755) 88850136 Web: http://www.mtitest.com E-mail: [email protected] Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’ an District, Shenzhen, Guangdong, China. Photo 5 Photo 6 ----END OF REPORT----

This test report is valid for the tested samples only. It cannot be reproduced except in full without prior written consent of Shenzhen Microtest Co., Ltd. Tel:(86-755)88850135 Fax: (86-755) 88850136 Web: http://www.mtitest.com E-mail: [email protected] Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’ an District, Shenzhen, Guangdong, China. EXPOSURE REPORT FCC ID: 2AO23-C8926LS Date of issue: Dec. 01, 2020 Report Number: MTi20111706-2E2 Sample Description: Earbud Case Charging Pad Mo d e l( s ) : C8926LS, PW017 Applicant: Chug, Inc. Address: 7157 Shady Oak Road, Eden Prairie, MN 55344, USA Date of Test: Nov. 19, 2020 - Nov. 26, 2020 Shenzhen Microtest Co., Ltd. http://www.mtitest.com - Page 2 of 9 - Report No.: MTi20111706-2E2 Tel:(86-755)88850135 Fax: (86-755) 88850136 Web: http://www.mtitest.com E-mail: [email protected] Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’ an District, Shenzhen, Guangdong, China. Test Result Certification Applicant’s name: Chug, Inc. Address: 7157 Shady Oak Road, Eden Prairie, MN 55344, USA Manufacture's name: SHENZHEN RIHUIDA ELECTRONICS CO., LTD. Address: F 1~4, BUILDING 4, FUZHONG INDUSTRIAL PARK FUYONG STREET BAOAN DISTRICT, SHENZHEN CHINA Product name: Earbud Case Charging Pad Trademark: Heyday Model name: C8926LS, PW017 Standard: FCC CFR 47 PART 1 , 1.1310 RF Exposure Procedures: KDB 680106 D01 RF Exposure Wireless Charging App v03 This device described above has been tested by Shenzhen Microtest Co., Ltd. and the test results show that the equipment under test (EUT) compliance with the FCC requirements. And it is applicable only to the tested sample identified in the report. Tested by: Demi Mu Nov. 26, 2020 Reviewed by: Leo Su Dec. 01, 2020 Approved by: Tom Xue Dec. 01, 2020 - Page 3 of 9 - Report No.: MTi20111706-2E2 Tel:(86-755)88850135 Fax: (86-755) 88850136 Web: http://www.mtitest.com E-mail: [email protected] Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’ an District, Shenzhen, Guangdong, China. 1 General Information 1.1 Description of EUT Product name: Earbud Case Charging Pad Brand name: Heyday Model name: C8926LS Series model: PW017 Deference in serial model: All the models are of the same circuit and RF module, except the model No.. Operation frequency: 115–205 kHz Operational mode: Wireless charging Modulation type: ASK Antenna type: Coil Antenna Power source: DC 5V from adapter AC 120V/60Hz Battery: N/A Adapter information: N/A 1.2 Ancillary equipment list Equipment Model Sepc. Manufacturer Adapter / / / USB Cable / 1.83m / 1.3 Measurement uncertainty Measurement Uncertainty for a Level of Confidence of 95 %, U=2xUc(y) Radiated emission(150kHz~30MHz) ± 2.5 dB Radiated emission(30MHz~1GHz) ± 4.2 dB Radiated emission (above 1GHz) ± 4.3 dB Temperature ±1 degree Humidity ± 5 % - Page 4 of 9 - Report No.: MTi20111706-2E2 Tel:(86-755)88850135 Fax: (86-755) 88850136 Web: http://www.mtitest.com E-mail: [email protected] Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’ an District, Shenzhen, Guangdong, China. 2 Testing site Test Site Shenzhen Microtest Co., Ltd Test Site Location 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’ an District, Shenzhen, Guangdong, China. FCC Registration No.: 448573 - Page 5 of 9 - Report No.: MTi20111706-2E2 Tel:(86-755)88850135 Fax: (86-755) 88850136 Web: http://www.mtitest.com E-mail: [email protected] Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’ an District, Shenzhen, Guangdong, China. 3 List of test equipment Equipment No. Equipment Name Manufacturer Model Serial No. Calibration date Due date MTI-E115 Electric and Magnetic Field Probe - Analyzer Narda Safety Test Solutions GmbH EHP- 200A / 2020/11/11 2021/11/11 - Page 6 of 9 - Report No.: MTi20111706-2E2 Tel:(86-755)88850135 Fax: (86-755) 88850136 Web: http://www.mtitest.com E-mail: [email protected] Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’ an District, Shenzhen, Guangdong, China. 4 Test Results 4.4 Maximum permissible exposure 4.4.1 Limit Frequency range(MHz) Electric field strength(V/m) Magnetic field strength(A/m) Power density(mW/cm2) Averaging time(minutes) (A) Limits for Occupational/Controlled Exposure 0.3-3.0 614 1.63 *100 6 3.0-30 1842/f 4.89/f *900/f 2 6 30-300 61.4 0.163 1.0 6 6 300-1500 f/300 6 1500-100000 5 6 (B) Limits for General Population/Uncontrolled Exposure 0.3-1.34 614 1.63 *100 30 1.34-30 824/f 2.19/f *180/f 2 30 30-300 27.5 0.073 0.2 30 300-1500 f/1500 30 1500-100000 1 30 f = frequency in MHz * = Plane-wave equivalent power density 4.4.2 Test Procedures E and H-field measurements should be made with the center of the probe at a distance of 15 cm surrounding the device and 20 cm above the top surface of the primary/client pair. These measurements should be repeated for three different client battery levels, 1%, 50%, and 99%. Record the test results. KDB 680106 D01 RF Exposure Wireless Charging App v03: (1) Power transfer frequency is less than 1MHz. (2) Output power from each primary coil is less than or equal to 15 watts. (3) The transfer system includes only single primary and secondary coils. This includes charging systems that may have multiple primary coils and clients that are able to detect and allow coupling only between individual pairs of coils. (4) Client device is placed directly in contact with the transmitter. (5) Mobile exposure conditions only (portable exposure conditions are not covered by this exclusion). - Page 7 of 9 - Report No.: MTi20111706-2E2 Tel:(86-755)88850135 Fax: (86-755) 88850136 Web: http://www.mtitest.com E-mail: [email protected] Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’ an District, Shenzh…

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This test report is valid for the tested samples only. It cannot be reproduced except in full without prior written consent of Shenzhen Microtest Co., Ltd. Tel:(86-755)88850135 Fax: (86-755) 88850136 Web: http://www.mtitest.com E-mail: [email protected] Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’ an District, Shenzhen, Guangdong, China. Test Report FCC ID: 2AO23-C8926LS Date of issue: Dec. 03, 2020 Report number: MTi20111706-2E1 Sample description: Earbud Case Charging Pad Mo d e l( s ) : C8926LS, PW017 Applicant: Chug, Inc. Address: 7157 Shady Oak Road, Eden Prairie, MN 55344, USA Date of test: Nov. 19, 2020 – Dec. 03, 2020 Shenzhen Microtest Co., Ltd. http://www.mtitest.com - Page 2 of 24 - Report No.: MTi20111706-2E1 Tel:(86-755)88850135 Fax: (86-755) 88850136 Web: http://www.mtitest.com E-mail: [email protected] Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’ an District, Shenzhen, Guangdong, China. Table of Contents 1 GENERAL INFORMATION ................................................................................................................................... 4 1.1 FEATURE OF EQUIPMENT UNDER TEST (EUT) ................................................................................................................... 4 1.2 TEST MODE .............................................................................................................................................................. 4 1.3 EUT TEST SETUP........................................................................................................................................................ 5 1.4 ANCILLARY EQUIPMENT .............................................................................................................................................. 5 2 SUMMARY OF TEST RESULT ............................................................................................................................... 6 2.1 OPERATION CHANNEL LIST ........................................................................................................................................... 6 2.2 TEST CHANNEL .......................................................................................................................................................... 6 3 TEST FACILITIES AND ACCREDITATIONS .............................................................................................................. 7 3.1 TEST LABORATORY ..................................................................................................................................................... 7 3.2 ENVIRONMENTAL CONDITIONS ..................................................................................................................................... 7 3.3 MEASUREMENT UNCERTAINTY ...................................................................................................................................... 7 3.4 TEST SOFTWARE ........................................................................................................................................................ 7 4 LIST OF TEST EQUIPMENT .................................................................................................................................. 8 5 TEST RESULTS ..................................................................................................................................................... 9 5.1 ANTENNA REQUIREMENT ............................................................................................................................................ 9 5.1.1 Standard requirement ................................................................................................................................. 9 5.1.2 EUT Antenna ............................................................................................................................................... 9 5.2 CONDUCTED EMISSION ............................................................................................................................................. 10 5.2.1 Limits ......................................................................................................................................................... 10 5.2.2 Test Procedures ......................................................................................................................................... 10 5.2.3 Test Setup .................................................................................................................................................. 10 5.2.4 Test Result ................................................................................................................................................. 10 5.3 RADIATED EMISSION ................................................................................................................................................. 15 5.3.1 Limits ......................................................................................................................................................... 15 5.3.2 Test Procedures ......................................................................................................................................... 16 5.3.3 Test Setup .................................................................................................................................................. 17 5.3.4 Test Result ................................................................................................................................................. 17 5.4 OCCUPIED BANDWIDTH............................................................................................................................................. 21 5.4.1 Test method ................................................................................................................................…

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Model: C8926LS Radiated emission Conducted emission