2AO23-TWS07TWS earbuds with charging case

Safety: Do not use near any water source Do not modify or repair this device Do not use chemical detergents to clean your device, use a soft dry cloth WARNING: The battery (battery or batteries or battery pack) shall not be exposed to excessive heat such as sunshine, fire or the like • • • 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. 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 off and on, the user is encouraged to try to correct the interference by one or more of the following measures: • Reorient or relocate the receiving antenna. • Increase the separation between the equipment and receiver. • Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. • Consult the dealer or an experienced radio/TV technician for help. gemsfindyours.com 7157 Shady Oak RD,Eden Prairie, MN 55344 Distributed by Chug, Inc. FCC ID: 2AO23-TWS07 Model: TWS07 Case Input: 5V 500mA Case Output: 5V 250mA Earbud Battery Capacity: 3.7V/50mAh/0.185Wh Case Battery Capacity: 3.7V/450mAh/1.665Wh Made in China 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. Warning: Changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. Whats included: • TWS Earbuds • TWS Earbud Case • Micro USB charging cable Before you get started: High volume may affect your hearing. Do not use the unit while driving or cycling or where it’s necessary to keep environmental awareness. Doing so may cause traffic accidents. This product has magnets which may interfere with pacemakers, defibrillators and programmable shunt valves or other medical devices. Do not put this product close to these medical devices and the person who use any of these medical devices. • • • Troubleshooting: • If the earbuds are not working correctly, reset them • If the earbuds won’t turn on, recharge the battery and try again • If the earbuds won’t charge, make sure the power supply works, is 5V>1A, not damaged and that the case is charged • If the earbuds still won’t charge, make sure the charge pins are clear of debris as this may cause a connection issue; if they are use a soft dry cloth to clean them • If the earbuds make no sound or do not show as an available device, make sure they are not paired, if so unpair the device and repair to the desired device Control Buttons Quick Tip: the control button is located in the center of the earbud, be sure to button here so inputs register hold 1 sec. or Left earbud 1 tap play/pause answer/end call Right earbud reject call 2 taps play/pause answer/end call reject call hold 4 sec. turn off turn on turn off turn on Indicator: Earbud Rapid Flashing Red/Blue - Pairing mode Earbud Rapid Flashing Red/Blue and Fades - Paired Earbud Flashing Red - Low power Earbud Solid Red - Charging Earbud No Light - Charging complete Case One Light - 25% charged Case Four Lights - 100% charged Case Three Lights - 75% charged Case Two Lights - 50% charged next song* prev. song* 3 taps voice assist voice assist 6.5 inches 4.65 inches FRONTBACK Back Input Micro USB Port Open Case Charging Contact Control Buttons Microphone LED indicator With Button rockon TWS earbuds with charging case Pairing: Pairing: 1. To pair the earbuds to your device for the first time, open the case and remove the earbuds. 2. The Right will flash blue and red when they are ready to pair. 3. Use your device to pair with "GEMSTWS07". The earbuds will flash and fade when they have successfully paired. Re-enter Pairing: To re-enter pairing mode disconnect from your device.

Sample Agency Request Letter QF094234 Page 1 of 1 Revision 0 Authority to Act as Agent Date: 2020.10.15 TUV Rheinland Group 762 Park Avenue Youngsville, NC 27596 To Whom It May Concern: I appoint TUV Rheinland (Shenzhen) Co., Ltd. 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 FCC or Industry Canada’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, as specified by TUV Rheinland Group, still resides with Chug,Inc. / 7157 Shady Oak Road Eden Prairie,Washington Minnesota United States For TCB applications, We certify that we are not subject to denial of federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 862. Further, no party, as defined in 47 CFR 1.2002 (b), to the application is subject to denial of federal benefits, that includes FCC benefits. Thank you, Agency Agreement Expiration Date: e.g. Typically 8 – 12 months By : Michael Clemmer (Signature) (Print Name) Title : general manager Telephone : 612-868-2191 On behalf of : Chug,Inc. (Company Name)

Chug, Inc. Confidentiality Letter Date: 2020.10.15 Subject: Confidentiality Request for FCC ID: 2AO23-TWS07 Pursuant to FCC 47 CRF 0.457(d) and 0.459 and IC RSP-100, Section 10, the applicant requests that a part of the subject FCC/IC application be held confidential. Type of Confidentiality Requested Exhibit Short Term Permanent Block Diagrams Short Term External Photos Short Term Permanent Internal Photos Short Term Permanent Operation Description/Theory of Operation Short Term Permanent Part List/Tune-Up Procedure Short Term Permanent Schematics Short Term Test Setup Photos Short Term Permanent User’s Manual Chug, Inc. has spent substantial effort in developing this product and it is one of the first of its kind in industry. Having the subject information easily available to "competition" would negate the advantage they have achieved by developing this product. Not protecting the details of the design will result in financial hardship. Permanent Confidentiality: The applicant requests the exhibits listed above as permanently confidential be permanently withheld from public review due to materials that contain trade secrets and proprietary information not customarily released to the public. Short-Term Confidentiality: The applicant requests the exhibits selected above as short term confidential be withheld from public view for a period of 180 days from the date of the Grant of Equipment Authorization and prior to marketing. This is to avoid premature release of sensitive information prior to marketing or release of the product to the public. Applicant is also aware that they are responsible to notify TUV Rheinland in the event information regarding the product or the product is made available to the public. TUV Rheinland will then release the documents listed above for public disclosure pursuant to FCC Public Notice DA 04- 1705. Sincerely, / general manager By: Michael Clemmer (Signature/Title) (Print name)

Chug, Inc. Declaration Letter We declare that: Applicant: Chug, Inc. Address: 7157 Shady Oak Road Eden Prairie, Washington Minnesota United States Date: 2020.10.15 Subject: Request for FCC ID: 2AO23-TWS07 We confirm that the left ear and right ear of the headset we produced are the same in the circuit and PCB. Please refer to the relevant technical information.

Page 1 of 4 FCC ID: 2AO23-TWS07 Shenzhen UnionTrust Quality and Technology Co., Ltd. Address: 16/F, Block A, Building 6, Baoneng Science and Technology Park, Qingxiang Road No.1, Longhua New District, Shenzhen, China Tel: +86-755-28230888 Fax: +86-755-28230886 E-mail: [email protected] Http://www.uttlab.com APPENDIX 2 PHOTOS OF EUT CONSTRUCTIONAL DETAILS EUT EXTERNAL PHOTOS EUT Photo EUT Photo Page 2 of 4 FCC ID: 2AO23-TWS07 Shenzhen UnionTrust Quality and Technology Co., Ltd. Address: 16/F, Block A, Building 6, Baoneng Science and Technology Park, Qingxiang Road No.1, Longhua New District, Shenzhen, China Tel: +86-755-28230888 Fax: +86-755-28230886 E-mail: [email protected] Http://www.uttlab.com EUT Photo EUT Photo Page 3 of 4 FCC ID: 2AO23-TWS07 Shenzhen UnionTrust Quality and Technology Co., Ltd. Address: 16/F, Block A, Building 6, Baoneng Science and Technology Park, Qingxiang Road No.1, Longhua New District, Shenzhen, China Tel: +86-755-28230888 Fax: +86-755-28230886 E-mail: [email protected] Http://www.uttlab.com EUT Photo EUT Photo Page 4 of 4 FCC ID: 2AO23-TWS07 Shenzhen UnionTrust Quality and Technology Co., Ltd. Address: 16/F, Block A, Building 6, Baoneng Science and Technology Park, Qingxiang Road No.1, Longhua New District, Shenzhen, China Tel: +86-755-28230888 Fax: +86-755-28230886 E-mail: [email protected] Http://www.uttlab.com EUT Photo EUT Photo

Chug, Inc. Label Artwork and Location We declare that: Applicant: Chug, Inc. Address: 7157 Shady Oak Road Eden Prairie, Washington Minnesota United States Date: 2020.10.15 Subject: Request for FCC ID: 2AO23-TWS07 FCC ID location of User Manual This application for FCC certification is for Bluetooth technology. The charging case only has the function of charging the earbuds, the earbuds with Bluetooth technology is the RF body. However, because the earbuds body area is too small, the FCC ID number is reflected in the random instruction.

Page 1 of 10 FCC ID: 2AO23-TWS07 Shenzhen UnionTrust Quality and Technology Co., Ltd. Address: 16/F, Block A, Building 6, Baoneng Science and Technology Park, Qingxiang Road No.1, Longhua New District, Shenzhen, China Tel: +86-755-28230888 Fax: +86-755-28230886 E-mail: [email protected] Http://www.uttlab.com APPENDIX 2 PHOTOS OF EUT CONSTRUCTIONAL DETAILS EUT INTERNAL PHOTOS EUT Photo EUT Photo Page 2 of 10 FCC ID: 2AO23-TWS07 Shenzhen UnionTrust Quality and Technology Co., Ltd. Address: 16/F, Block A, Building 6, Baoneng Science and Technology Park, Qingxiang Road No.1, Longhua New District, Shenzhen, China Tel: +86-755-28230888 Fax: +86-755-28230886 E-mail: [email protected] Http://www.uttlab.com EUT Photo EUT Photo (Left Earbud) Page 3 of 10 FCC ID: 2AO23-TWS07 Shenzhen UnionTrust Quality and Technology Co., Ltd. Address: 16/F, Block A, Building 6, Baoneng Science and Technology Park, Qingxiang Road No.1, Longhua New District, Shenzhen, China Tel: +86-755-28230888 Fax: +86-755-28230886 E-mail: [email protected] Http://www.uttlab.com EUT Photo EUT Photo Page 4 of 10 FCC ID: 2AO23-TWS07 Shenzhen UnionTrust Quality and Technology Co., Ltd. Address: 16/F, Block A, Building 6, Baoneng Science and Technology Park, Qingxiang Road No.1, Longhua New District, Shenzhen, China Tel: +86-755-28230888 Fax: +86-755-28230886 E-mail: [email protected] Http://www.uttlab.com EUT Photo EUT Photo BT Antenna Page 5 of 10 FCC ID: 2AO23-TWS07 Shenzhen UnionTrust Quality and Technology Co., Ltd. Address: 16/F, Block A, Building 6, Baoneng Science and Technology Park, Qingxiang Road No.1, Longhua New District, Shenzhen, China Tel: +86-755-28230888 Fax: +86-755-28230886 E-mail: [email protected] Http://www.uttlab.com EUT Photo EUT Photo Page 6 of 10 FCC ID: 2AO23-TWS07 Shenzhen UnionTrust Quality and Technology Co., Ltd. Address: 16/F, Block A, Building 6, Baoneng Science and Technology Park, Qingxiang Road No.1, Longhua New District, Shenzhen, China Tel: +86-755-28230888 Fax: +86-755-28230886 E-mail: [email protected] Http://www.uttlab.com EUT Photo EUT Photo (Right Earbud) Page 7 of 10 FCC ID: 2AO23-TWS07 Shenzhen UnionTrust Quality and Technology Co., Ltd. Address: 16/F, Block A, Building 6, Baoneng Science and Technology Park, Qingxiang Road No.1, Longhua New District, Shenzhen, China Tel: +86-755-28230888 Fax: +86-755-28230886 E-mail: [email protected] Http://www.uttlab.com EUT Photo EUT Photo Page 8 of 10 FCC ID: 2AO23-TWS07 Shenzhen UnionTrust Quality and Technology Co., Ltd. Address: 16/F, Block A, Building 6, Baoneng Science and Technology Park, Qingxiang Road No.1, Longhua New District, Shenzhen, China Tel: +86-755-28230888 Fax: +86-755-28230886 E-mail: [email protected] Http://www.uttlab.com EUT Photo EUT Photo Page 9 of 10 FCC ID: 2AO23-TWS07 Shenzhen UnionTrust Quality and Technology Co., Ltd. Address: 16/F, Block A, Building 6, Baoneng Science and Technology Park, Qingxiang Road No.1, Longhua New District, Shenzhen, China Tel: +86-755-28230888 Fax: +86-755-28230886 E-mail: [email protected] Http://www.uttlab.com EUT Photo EUT Photo Page 10 of 10 FCC ID: 2AO23-TWS07 Shenzhen UnionTrust Quality and Technology Co., Ltd. Address: 16/F, Block A, Building 6, Baoneng Science and Technology Park, Qingxiang Road No.1, Longhua New District, Shenzhen, China Tel: +86-755-28230888 Fax: +86-755-28230886 E-mail: [email protected] Http://www.uttlab.com EUT Photo

Page 2 of 43 Report No.: 201010047RFC-1 Shenzhen UnionTrust Quality and Technology Co., Ltd. Address: 16/F, Block A, Building 6, Baoneng Science and Technology Park, Qingxiang Road No.1, Longhua New District, Shenzhen, China Tel: +86-755-28230888 Fax: +86-755-28230886 E-mail: [email protected] http://www.uttlab.com UTTR-RF-FCCPART15.247-V1.0 Version Version No. Date Description V1.0 October 21, 2020 Original Page 3 of 43 Report No.: 201010047RFC-1 Shenzhen UnionTrust Quality and Technology Co., Ltd. Address: 16/F, Block A, Building 6, Baoneng Science and Technology Park, Qingxiang Road No.1, Longhua New District, Shenzhen, China Tel: +86-755-28230888 Fax: +86-755-28230886 E-mail: [email protected] http://www.uttlab.com UTTR-RF-FCCPART15.247-V1.0 CONTENTS 1. GENERAL INFORMATION ....................................................................................................................................... 4 1.1 CLIENT INFORMATION ........................................................................................................................................ 4 1.2 EUT INFORMATION ............................................................................................................................................ 4 1.2.1 GENERAL DESCRIPTION OF EUT ............................................................................................................ 4 1.2.2 DESCRIPTION OF ACCESSORIES .............................................................................................................. 4 1.3 PRODUCT SPECIFICATION SUBJECTIVE TO THIS STANDARD ................................................................................. 5 1.4 OTHER INFORMATION ......................................................................................................................................... 5 1.5 DESCRIPTION OF SUPPORT UNITS ...................................................................................................................... 5 1.6 TEST LOCATION ................................................................................................................................................. 6 1.7 TEST FACILITY ................................................................................................................................................... 6 1.8 DEVIATION FROM STANDARDS ............................................................................................................................ 6 1.9 ABNORMALITIES FROM STANDARD CONDITIONS .................................................................................................. 6 1.10 OTHER INFORMATION REQUESTED BY THE CUSTOMER ........................................................................................ 6 1.11 MEASUREMENT UNCERTAINTY ........................................................................................................................... 7 2. TEST SUMMARY ...................................................................................................................................................... 7 3. EQUIPMENT LIST .................................................................................................................................................... 8 4. TEST CONFIGURATION .......................................................................................................................................... 9 4.1 ENVIRONMENTAL CONDITIONS FOR TESTING ........................................................................................................ 9 4.1.1 NORMAL OR EXTREME TEST CONDITIONS ............................................................................................... 9 4.1.2 RECORD OF NORMAL ENVIRONMENT....................................................................................................... 9 4.2 TEST CHANNELS ............................................................................................................................................... 9 4.3 EUT TEST STATUS ............................................................................................................................................ 9 4.4 PRE-SCAN .................................................................................................................................................... 10 4.4.1 PRE-SCAN UNDER ALL PACKETS AT MIDDLE CHANNEL .............................................................................. 10 4.4.2 WO RST-CASE DATA PACKETS ................................................................................................................ 10 4.4.3 TESTED CHANNEL DETAIL ...................................................................................................................... 10 4.5 TEST SETUP .................................................................................................................................................... 11 4.5.1 FOR RADIATED EMISSIONS TEST SETUP ................................................................................................ 11 4.5.2 FOR CONDUCTED EMISSIONS TEST SETUP ............................................................................................ 12 4.5.3 FOR CONDUCTED RF TEST SETUP ........................................................................................................ 13 4.6 SYSTEM TEST CONFIGURATION ........................................................................................................................ 13 4.7 DUTY CYCLE ................................................................................................................................................... 14 5. RADIO TECHNICAL REQUIREMENTS SPECIFICATION .................................................................................... 15 5.1 REFERENCE DOCUMENTS FOR TESTING ............................................................................................................ 15 5.2 ANTENNA REQUIREMENT ...................…

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Page 1 of 3 FCC ID: 2AO23-TWS07 Shenzhen UnionTrust Quality and Technology Co., Ltd. Address: 16/F, Block A, Building 6, Baoneng Science and Technology Park, Qingxiang Road No.1, Longhua New District, Shenzhen, China Tel: +86-755-28230888 Fax: +86-755-28230886 E-mail: [email protected] Http://www.uttlab.com APPENDIX 1 PHOTOS OF TEST SETUP Radiated emission Test Setup (30 MHz~1 GHz) –Left Earbuds Radiated emission Test Setup (30 MHz~1 GHz) –Right Earbuds Page 2 of 3 FCC ID: 2AO23-TWS07 Shenzhen UnionTrust Quality and Technology Co., Ltd. Address: 16/F, Block A, Building 6, Baoneng Science and Technology Park, Qingxiang Road No.1, Longhua New District, Shenzhen, China Tel: +86-755-28230888 Fax: +86-755-28230886 E-mail: [email protected] Http://www.uttlab.com Radiated emission Test Setup (Above 1 GHz) –Left Earbuds Radiated emission Test Setup (Above 1 GHz) –Right Earbuds Page 3 of 3 FCC ID: 2AO23-TWS07 Shenzhen UnionTrust Quality and Technology Co., Ltd. Address: 16/F, Block A, Building 6, Baoneng Science and Technology Park, Qingxiang Road No.1, Longhua New District, Shenzhen, China Tel: +86-755-28230888 Fax: +86-755-28230886 E-mail: [email protected] Http://www.uttlab.com RF Conducted Test Setup