2AOJNGKS-2156-BKitchen Scale

version:1.0 User Manual Kitchen Scale GKS-2156-B Please do read the user manual carefully and thoroughly so as to ensure the safe usage of this product, and keep the manual well for further reference in case you have problems. Thank you very much for selecting the Transtek Kitchen Scale GKS-2156-B. TEL:86-760-88282982 www.transtek.cn ZHONGSHAN TRANSTEK ELECTRONICS CO., LTD No.23,Jin'an Road, Minzhong, Zhongshan, 528441, Guangdong, China Safety Information Warning Symbol Safety Instructions Product Overview General Instructions Device Components Function Indication List LED Display Initial Start-Up Insert the Batteries Changing the Weight Unit Install the APP and Pair-up Operation Weighing Mode Measuring with Tare Function Troubleshooting Troubleshooting When Data Transmitting... Specifications Maintenance Maintenance Warranty Appendix FCC Regulations Warning 1 Table of Contents Table of Contents ............................................................................................................... ................................................................................................................. ...................................................................................................................... .................................................................................................................................. ..................................................................................................................... ............................................................................................................................ ...................................................................................................... ........................................................................................................................................ .................................................................................................................... ................................................................................................................. ..................................................................................................... .................................................................................................................. ...................................................................................................................... ........................................................................................................................... ............................................................................................................................ 2 2 3 3 3 4 4 5 6 7 8 9 11 12 13 14 14 15 16 ....................................................................................................... ................................................................................................ ............................................................................................................... .................................................................................................................................. 23 Device Components Function Indication Battery Door ON/OFF/TARE button UNIT button Press the ON/OFF/TARE button to switch the scale on. Press and hold the ON/OFF/TARE button for 2s to switch the scale off. Press the ON/OFF/TARE button to reset the display to zero. Product Overview Warning Symbols • • • • • If the scale is not to being used for a long period, please remove the batteries. Clean the scale with a slightly damp cloth, DO NOT immerse the scale in water or use chemical/abrasive cleaning agents. • It is important to understand the meanings of the warning symbols in order to ensure a correct and safe use of the product and protect you and others from injury. You may find the meanings of the warning symbols, which you may see in the label or this user manual, as follow: Safety Instructions Always place the scale on a solid, level and flat surface to weigh. Always place the object to be weighed at the center of the weighing platform. Do not place any object on the weighing platform before switching the scale on. Keep the scale in a cool dry area. Symbol for “THE OPERATION GUIDE MUST BE READ” Symbol for “MANUFACTURER” Symbol for “ENVIRONMENT PROTEC- TION – Waste electrical products should not be disposed of with household waste. Please recycle where facilities exist. Check with your local authority or retailer for recycling advice” Symbol for “DIRECT CURRENT” Symbol for “SERIAL NUMBER” The Bluetooth Combination Mark The display may be affected by electromagnetic disturbances such as radios, microwaves or cell phones. If such disturbances occur, remove the source of the disturbance and restart the scale. • Safety Instructions Symbol for “RECYCLE” Press the UNIT button to select your desired weight unit. General Instructions Transtek Glass Kitchen Scale GKS-2156-B is used to measure the food’s weight. This device has practical weighting function(tare) with digital LED. Main Features: a. Classically elegant design b. Easy to read digital display c. With tare function Symbol for “COMPLIES WITH EU REQUIREMENTS” 54 Weight Unit (Pound) Volume Unit (Ounce) Negative Weight LED Display List 1. Kitchen Scale GKS-2156-B 2. 3xAAA batteries (1.5V per each) 3. User Manual Initial Start-Up Bluetooth Connection Indication Insert the Batteries Open the battery door in the back of the scale. Insert the batteries (3xAAA) into the battery compartment according to the polarity indications marked inside the compartment. Close the battery door. The LED displays as below: CAUTION When the symbol “Lo” appears, the device will power off soon. Then you shall replace with a new set of batteries. Please replace all three batteries at the same time. Do not mix the old batteries with the new ones. Worn batteries are hazardous waste. Do NOT dispose of them together with the household garbage. Please re…

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Zhongshan Transtek Electronics Co., Ltd Authority letter FCC Date: 7/25/2022 TO: Federal Communication Commission Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MID 21046 Regarding: FCC ID: 2AOJNGKS-2156-B To whom it may concern: We, the undersigned, hereby authorize SGS-CSTC Standards Technical Services Co., Ltd. (SGS) Guangzhou branch and Kobe Jian in SGS-CSTC Standards Technical Services Co., Ltd. (SGS) Guangzhou branch to act on our behalf in all manners relating to application for equipment authorization with respect to the FCC ID above, including signing of all documents relating to these matters. Any and all acts carried out by the agent on our behalf shall have the same effect as acts of our own. We, the undersigned, hereby certify that we are not subject to a denial of federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 853(a). Where our 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 SGS North America, Inc., still resides with Zhongshan Transtek Electronics Co., Ltd. This authorization is valid until further written notice from the applicant. Name (Printed): Tea Du Title: Health research and development director Signature: On behalf of Company: Zhongshan Transtek Electronics Co., Ltd

Zhongshan Transtek Electronics Co., Ltd Confidential letter FCC To: SGS North America Inc. 620 Old Peachtree Road SUITE 100 Suwanee, Georgia United States From: Zhongshan Transtek Electronics Co., Ltd No. 23,Jin'an Road, Minzhong, Zhongshan ,Guangdong, China Zhongshan, China Regarding: Confidentiality Request regarding application for FCC ID: 2AOJNGKS-2156-B LONG TERM CONFIDENTIALITY Pursuant to 47 CFR Section 0.459 and 0.457 of the commission’s rules, the applicant hereby request confidential treatment of the documents listed below, associated with the certification application referenced above. Schematic(s) Block Diagrams Operational Descriptions The documents above contain proprietary information not released to the public. Public disclosure of this information may prove harmful to the business of the applicant. Sincerely, Name (Printed): Tea Du Title: Health research and development director Signature: On behalf of Company: Zhongshan Transtek Electronics Co., Ltd

SGS North America Inc. 620 Old Peachtree Road SUITE 100 Suwanee, Georgia 30024 United States Applicant Declaration Applicant Declaration Letter Applicant Legal Business Name Zhongshan Transtek Electronics Co., Ltd Address No. 23,Jin'an Road, Minzhong, Zhongshan ,Guangdong, ChinaZhongshan, China Grantee Code 2AOJN FCC ID 2AOJNGKS-2156-B Authorized Contact Name Tea Du Contact Email [email protected] Contact Phone 13823906030 I, the undersigned, certify that I am an authorized signatory for the Applicant and therefore declare; a) in accordance with 47CFR2.911(d), all of the statements herein and the exhibits attached hereto are true and correct to the best of my knowledge and belief. b) in accepting a Grant of Equipment Authorization issued by a TCB, under the authority of the FCC, as a result of the representations made in this application, the Applicant is responsible for: (1) labeling the equipment with the exact FCC ID as specified in this application, (2) compliance statement labeling pursuant to the applicable rules, (3) compliance of the equipment with the applicable technical rules, c) if the Applicant is not the actual manufacturer of the equipment, appropriate arrangements have been made with the manufacturer to ensure that production units of this equipment will continue to comply with the FCC’s technical requirements. d) in accordance with 47 CFR 2.909 and KDB394321, the Applicant has read, understood and agrees to accept that they are the responsible party and agree to abide by their responsibilities as specified under 47 CFR 2.909 and KDB394321. e) in accordance with ISO17065, FCC KDB641163, FCC KDB610077, KDB394321 and RSP-100, the Applicant has read, understood, accepts and agrees to abide by the post market surveillance requirements. (1) the Applicant understands, accepts and agrees that a sample may be requested for surveillance testing. (2) the Applicant shall make provisions to always have a production sample available upon request by SGS, FCC and/or ISED. (3) the Applicant shall, upon request by SGS, at the Applicant’s expense, provide a production sample of the requested product to SGS, FCC and/or ISED as instructed. The sample shall include all support devices, cables, software, accessories or other hardware or software required for evaluation, review, certification and audit surveillance of products certified by SGS. f) neither the Applicant nor any party to the application is subject to a 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 because of a conviction for possession or distribution of a controlled substance. See 47CFR 1.2002(b) for the definition of a “party” for these purposes. g) the Applicant has read, understood, accepts and agrees to abide by the SGS North America, Inc.(TCB) terms and conditions. Link to CFRs: https://www.fcc.gov/wireless/bureau-divisions/technologies-systems-and-innovation-division/rules-regulations-title-47 Link to KDBs: https://apps.fcc.gov/oetcf/kdb/index.cfm Link to RSP-100: https://www.ic.gc.ca/eic/site/smt-gst.nsf/eng/sf01130.html Applicant Signature: Date: 7/25/2022 Print Name: Tea Du Title: Health research and development department director director development department director *NOTE: This declaration cannot be signed by an Agent, it shall be signed by an authorized person listed in the FCC database Applicant Declaration Rev:0.0

SGS-CSTC Standards Technical Services Co., Ltd. Guangzhou Branch EMC-ARF-02 Rev 1.0 Page: 1 of 4 Appendix External Photos for GZCR2206000750AT Test Model No.: GKS-2156-B SGS-CSTC Standards Technical Services Co., Ltd. Guangzhou Branch EMC-ARF-02 Rev 1.0 Page: 2 of 4 EUT Constructional Details (EUT Photos) SGS-CSTC Standards Technical Services Co., Ltd. Guangzhou Branch EMC-ARF-02 Rev 1.0 Page: 3 of 4 SGS-CSTC Standards Technical Services Co., Ltd. Guangzhou Branch EMC-ARF-02 Rev 1.0 Page: 4 of 4

SN: Kitchen Scale Model: GKS-2156-B Max: 5kg Power Supply: 3 x AAA Batteries 4.5V 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. FCC ID: 2AOJNGKS-2156-B ZHONGSHAN TRANSTEK ELECTRONICS CO., LTD 23, Jin'an Road, Minzhong, Zhongshan, 528441, Guangdong, China

SGS-CSTC Standards Technical Services Co., Ltd. Guangzhou Branch EMC-ARF-03 Rev 1.0 Page: 1 of 4 Appendix Internal Photos for GZCR220600075002 Test Model No.: GKS-2156-B SGS-CSTC Standards Technical Services Co., Ltd. Guangzhou Branch EMC-ARF-03 Rev 1.0 Page: 2 of 4 EUT Constructional Details (EUT Photos) SGS-CSTC Standards Technical Services Co., Ltd. Guangzhou Branch EMC-ARF-03 Rev 1.0 Page: 3 of 4 SGS-CSTC Standards Technical Services Co., Ltd. Guangzhou Branch EMC-ARF-03 Rev 1.0 Page: 4 of 4

SGS-CSTC Standards Technical Services Co., Ltd. Guangzhou Branch EMC-TRF-03 Rev 1.0 Report No.: GZCR220600075003 Page: 1 of 8 FCC ID: 2AOJNGKS-2156-B Kobe Jian EMC Laboratory Manager RF EXPOSURE EVALUATION REPORT Application No.: GZCR2206000750AT Applicant:Zhongshan Transtek Electronics Co., Ltd Address of Applicant:No. 23, Jin'an Road, Minzhong, Zhongshan, Guangdong, China Manufacturer:The same as applicant Address of Manufacturer:The same as applicant Factory:The same as applicant Address of Factory:The same as applicant Equipment Under Test (EUT): EUT Name:Kitchen Scale Model No.: GKS-2156-B Standard(s) : 47 CFR Part 1.1307 KDB447498D01 General RF Exposure Guidance v06 Date of Receipt: 2022-06-14 Date of Evaluation: 2022-07-11 Date of Issue: 2022-08-02 Evaluation Result: Pass* * In the configuration evaluated, the EUT complied with the standards specified above. SGS-CSTC Standards Technical Services Co., Ltd. Guangzhou Branch Report No.: GZCR220600075003 EMC-TRF-03 Rev 1.0 Page: 2 of 8 Revision Record VersionReport No.DateRemark 01GZCR2206000750032022-08-02Original Authorized for issue by: Curry Wu/Project Engineer Vico Cui/Reviewer SGS-CSTC Standards Technical Services Co., Ltd. Guangzhou Branch Report No.: GZCR220600075003 EMC-TRF-03 Rev 1.0 Page: 3 of 8 2Evaluation Summary Radio Spectrum Technical Requirement ItemStandardMethodRequirementResult RF Exposure KDB447498D01 General RF Exposure Guidance v06 KDB447498D01 General RF Exposure Guidance v06 KDB447498D01 General RF Exposure Guidance v06 Pass Note: E.U.T./EUT means Equipment Under Test. Pass means the test result passed the test standard requirement, please find the detailed decision rule in the report relative section. SGS-CSTC Standards Technical Services Co., Ltd. Guangzhou Branch Report No.: GZCR220600075003 EMC-TRF-03 Rev 1.0 Page: 4 of 8 3Contents Page 1Cover Page...............................................................................................................................................1 2Evaluation Summary................................................................................................................................3 3Contents....................................................................................................................................................4 4General Information.................................................................................................................................5 4.1Details of E.U.T.................................................................................................................................5 4.2Evaluating Location...........................................................................................................................5 4.3Facility...............................................................................................................................................6 4.4Deviation from Standards..................................................................................................................6 4.5Abnormalities from Standard Conditions...........................................................................................6 5Technical Requirements Specification..................................................................................................7 5.1RF Exposure Evaluation....................................................................................................................7 5.1.1Limit & Test Method......................................................................................................................7 5.1.2Conclusion....................................................................................................................................7 6EUT Constructional Details (EUT Photos).............................................................................................8 SGS-CSTC Standards Technical Services Co., Ltd. Guangzhou Branch Report No.: GZCR220600075003 EMC-TRF-03 Rev 1.0 Page: 5 of 8 4General Information 4.1Details of E.U.T. Power supply:DC 4.5V=size 'AAA' battery x 3 Operation Frequency:2402MHz to 2480MHz Modulation Type:GFSK Number of Channels:40 Channel Spacing:2MHz Antenna Gain:0.5dBi 4.2Evaluating Location All tests were performed at: SGS-CSTC Standards Technical Services Co., Ltd., Guangzhou Branch EMC Laboratory, 198 Kezhu Road, Scientech Park, Guangzhou Economic & Technology Development District, Guangzhou, China 510663 Tel: +86 20 82155555Fax: +86 20 82075059 No tests were sub-contracted. SGS-CSTC Standards Technical Services Co., Ltd. Guangzhou Branch Report No.: GZCR220600075003 EMC-TRF-03 Rev 1.0 Page: 6 of 8 4.3Facility The facility is recognized, certified, or accredited by the following organizations: ● NVLAP (Lab Code: 200611-0) SGS-CSTC Standards Technical Services Co., Ltd., Guangzhou EMC Laboratory is accredited by the National Voluntary Laboratory Accreditation Program (NVLAP/NIST). NVLAP Code: 200611-0. The report must not be used by the client to claim product certification, approval, or endorsement by NVLAP, NIST, or any agency of the Federal Government. ● ACMA SGS-CSTC Standards Technical Services Co., Ltd., EMC Laboratory can also perform testing for the Australian/New Zealand Regulatory Compliance Mark (RCM). ● SGS UK(Certificate No.: 32), SGS-TUV SAARLAND and SGS-FIMKO Have approved SGS-CSTC Standards Technical Services Co., Ltd., EMC Laboratory as a supplier of EMC TESTING SERVICES and SAFETY TESTING SERVICES. ● CNAS (Lab Code: L0167) SGS-CSTC Standards Technical Services Co., Ltd., EMC Laboratory has been assessed and in compliance with CNAS-CL01:2018 accreditation criteria for testing laboratories (identical to ISO/IEC 17025:2017 General Requirements) for the Competence of Testing Laboratories. ● FCC Recognized Accredited Test Firm(Registration No.: 486818) SGS-CSTC Standards Technical Services Co., Ltd., EMC Laboratory has been accredited and fully described in a report filed with the (…

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SGS-CSTC Standards Technical Services Co., Ltd. Guangzhou Branch EMC-TRF-01 Rev 1.0 Report No.: GZCR220600075002 Page: 1 of 64 FCC ID: 2AOJNGKS-2156-B Kobe Jian EMC Laboratory Manager TEST REPORT Application No.: GZCR2206000750AT Applicant: Zhongshan Transtek Electronics Co., Ltd Address of Applicant: No. 23, Jin'an Road, Minzhong, Zhongshan, Guangdong, China Manufacturer: The same as applicant Address of Manufacturer: The same as applicant Factory: The same as applicant Address of Factory: The same as applicant Equipment Under Test (EUT): EUT Name: Kitchen Scale Model No.: GKS-2156-B Standard(s) : 47 CFR Part 15, Subpart C 15.247 Date of Receipt: 2022-06-14 Date of Test: 2022-07-05 to 2022-07-11 Date of Issue: 2022-08-02 Test Result: Pass* * In the configuration tested, the EUT complied with the standards specified above. EMC-TRF-01 Rev 1.0 SGS-CSTC Standards Technical Services Co., Ltd. Guangzhou Branch Report No.: GZCR220600075002 Page: 2 of 64 Revision Record Version Report No. Date Remark 01 GZCR220600075002 2022-08-02 Original Authorized for issue by: Curry Wu/Project Engineer Vico Cui/Reviewer EMC-TRF-01 Rev 1.0 SGS-CSTC Standards Technical Services Co., Ltd. Guangzhou Branch Report No.: GZCR220600075002 Page: 3 of 64 2 Test Summary Radio Spectrum Technical Requirement Item Standard Method Requirement Result Antenna Requirement 47 CFR Part 15, Subpart C 15.247 N/A 47 CFR Part 15, Subpart C 15.203 & 15.247(b)(4) Pass Radio Spectrum Matter Part Item Standard Method Requirement Result Conducted Peak Output Power 47 CFR Part 15, Subpart C 15.247 ANSI C63.10 (2013) Section 11.9.1 47 CFR Part 15, Subpart C 15.247(b)(3) Pass Minimum 6dB Bandwidth ANSI C63.10 (2013) Section 11.8.1 47 CFR Part 15, Subpart C 15.247a(2) Pass Power Spectrum Density ANSI C63.10 (2013) Section 11.10.2 47 CFR Part 15, Subpart C 15.247(e) Pass Conducted Band Edges Measurement ANSI C63.10 (2013) Section 11.13.3.2 47 CFR Part 15, Subpart C 15.247(d) Pass Conducted Spurious Emissions ANSI C63.10 (2013) Section 11.11 47 CFR Part 15, Subpart C 15.247(d) Pass Radiated Emissions which fall in the restricted bands ANSI C63.10 (2013) Section 6.10.5 47 CFR Part 15, Subpart C 15.205 & 15.209 Pass Radiated Spurious Emissions Below 1GHz ANSI C63.10 (2013) Section 6.4,6.5 47 CFR Part 15, Subpart C 15.205 & 15.209 Pass Radiated Spurious Emissions Above 1GHz ANSI C63.10 (2013) Section 6.6 47 CFR Part 15, Subpart C 15.205 & 15.209 Pass Note: E.U.T./EUT means Equipment Under Test. Pass means the test result passed the test standard requirement, please find the detailed decision rule in the report relative section. EMC-TRF-01 Rev 1.0 SGS-CSTC Standards Technical Services Co., Ltd. Guangzhou Branch Report No.: GZCR220600075002 Page: 4 of 64 3 Contents Page 1 Cover Page ................................................................................................................................................ 1 2 Test Summary ........................................................................................................................................... 3 3 Contents .................................................................................................................................................... 4 4 General Information .................................................................................................................................. 6 4.1 Details of E.U.T. ................................................................................................................................. 6 4.2 Description of Support Units .............................................................................................................. 6 4.3 Measurement Uncertainty .................................................................................................................. 6 4.4 Test Location ...................................................................................................................................... 6 4.5 Test Facility ........................................................................................................................................ 7 4.6 Deviation from Standards ................................................................................................................... 8 4.7 Abnormalities from Standard Conditions ........................................................................................... 8 5 Equipment List .......................................................................................................................................... 9 6 Radio Spectrum Technical Requirement ............................................................................................. 12 6.1 Antenna Requirement ...................................................................................................................... 12 6.1.1 Test Requirement: ....................................................................................................................... 12 6.1.2 Conclusion ................................................................................................................................... 12 7 Radio Spectrum Matter Test Results .................................................................................................... 13 7.1 Conducted Peak Output Power........................................................................................................ 13 7.1.1 E.U.T. Operation .......................................................................................................................... 13 7.1.2 Test Setup Diagram ..................................................................................................................... 13 7.1.3 Measurement Procedure and Data............................................................................................. 13 7.2 Minimum 6dB Bandwidth ...........................................................................................…

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SGS-CSTC Standards Technical Services Co., Ltd. Guangzhou Branch EMC-ARF-04 Rev 1.0 Page: 1 of 4 Appendix Test Setup Photo for GZCR2206000750AT Test Model No.: GKS-2156-B SGS-CSTC Standards Technical Services Co., Ltd. Guangzhou Branch EMC-ARF-04 Rev 1.0 Page: 2 of 4 Test Setup Photo Radiated Emissions which fall in the restricted bands Radiated Spurious Emissions Below 1GHz SGS-CSTC Standards Technical Services Co., Ltd. Guangzhou Branch EMC-ARF-04 Rev 1.0 Page: 3 of 4 Radiated Spurious Emissions Above 1GHz Radiated Emissions (30MHz-1GHz) SGS-CSTC Standards Technical Services Co., Ltd. Guangzhou Branch EMC-ARF-04 Rev 1.0 Page: 4 of 4 Radiated Emissions (Above 1GHz)