2AW57S104G smartwatch phone

FCC Caution 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. Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. 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. This Smart Phone meets the government's requirements for exposure to radio waves. The guidelines are based on standards that were developed by independent scientific organizations through periodic and thorough evaluation of scientific studies. The standards include a substantial safety margin designed to assure the safety of all persons regardless of age or health. The SAR limit of USA (FCC) is 1.6 W/kg averaged over one gram of tissue for front of face and 4.0 W/kg averaged over 10 gram of tissue for wrist. Device types: S10 (FCC ID: 2AW57S10) has also been tested against this SAR limit. The highest SAR value reported under this standard during product certification for Front of face is 1.157W/kg and when properly worn on the Wrist is 1.653W/kg. To maintain compliance with FCC RF exposure requirements, use accessories that maintain a 10mm separation distance between the user's front of face and a 0mm separation distance between the user's wrist. The use of belt clips, holsters and similar accessories should not contain metallic components in its assembly. The use of accessories that do not satisfy these requirements may not comply with FCC RF exposure requirements, and should be avoided.

Shenzhen Leiwei Guoji Keji Co., Ltd. Agent Authorization Company: Shenzhen Leiwei Guoji Keji Co., Ltd. Address: Rm1012, Plaza Building, No.74 Baomin Road, Bao’an District, Shenzhen, China Product Name: 4G smartwatch phone Model Number(s): S10, S20, S30, S40, S50, S60, S70, S80, S90, M10, M20, M30, M40, M50, M60, M70, M80, M90, K1, K2, K3, K4, K5, K6, K7, K8, K9, W1, W2, W3, W4, W5, W6, W7, W8, W9, Z1, Z2, Z3, Z4, Z5, Z6, Z7, Z8, Z9 Product Description: 4G smartwatch phone FCC ID: 2AW57S10 We authorize MiCOM Labs Inc., 575 Boulder Court, Pleasanton, California 94566, USA, to act on our behalf on all matters concerning the certification of above named equipment. We declare that MiCOM Labs Inc. is allowed to forward all information related to the approval and certification of equipment to the regulatory agencies as required 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. Signature: Date: 2020-09-02 Name: FENGJIN Title: engineer Company: Shenzhen Leiwei Guoji Keji Co., Ltd.

Shenzhen Leiwei Guoji Keji Co., Ltd. Authorization Letter We, (the approval holder) Company name Shenzhen Leiwei Guoji Keji Co., Ltd. Addresss Rm1012, Plaza Building, No.74 Baomin Road, Bao’an District, Shenzhen, China declare that the following representative (agent): Name (person) Bovey Yang Company name Shenzhen STS Test Services Co., Ltd. Addresss 1/F., Building B, Zhuoke Science Park, No.190,Chongqing Road, Fuyong Street, Bao’an District, Shenzhen, Guangdong,China City Shenzhen Country China to act on our behalf on all matters concerning the application and documents submitted to Nemko for product certification below Product Description 4G smartwatch phone Type or Model(s) S10, S20, S30, S40, S50, S60, S70, S80, S90, M10, M20, M30, M40, M50, M60, M70, M80, M90, K1, K2, K3, K4, K5, K6, K7, K8, K9, W1, W2, W3, W4, W5, W6, W7, W8, W9, Z1, Z2, Z3, Z4, Z5, Z6, Z7, Z8, Z9 Brand Name Ckyrin FCC ID 2AW57S10 Attestation: Country: Date: Name: (this must be a person) Function: Signature: (or official company stamp) China 2020/09/02 FENGJIN engineer

Differences Description We Shenzhen Leiwei Guoji Keji Co., Ltd. state: Product： 4G smartwatch phone Model Name： S10, S20, S30, S40, S50, S60, S70, S80, S90, M10, M20, M30, M40, M50, M60, M70, M80, M90, K1, K2, K3, K4, K5, K6, K7, K8, K9, W1, W2, W3, W4, W5, W6, W7, W8, W9, Z1, Z2, Z3, Z4, Z5, Z6, Z7, Z8, Z9 Trade Name: Ckyrin FCC ID: 2AW57S10 The electrical circuit design, layout, components used and internal wiring for above models are identical, Only different in model name. Signatory Date 2020-09-02 Signature Name: FENGJIN Title: engineer Company: Shenzhen Leiwei Guoji Keji Co., Ltd. Address: Rm1012, Plaza Building, No.74 Baomin Road, Bao’an District, Shenzhen, China

Shenzhen Leiwei Guoji Keji Co., Ltd. Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 2020-09-02 Subject; Request for Confidentiality FCC ID: 2AW57S10 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 Tune-up Procedure Part List In additional to above mentioned documents, in order to comply with the marketing regulations in Title 47 CFR §2.803 and the importation rules in Title 47 CFR §2.1204, while ensuring that business sensitive information remains confidential until the actual marketing of newly authorized devices, we request Short Term Confidentiality of the following attachment(s); External Photos Test Setup Photos Internal Photos User Manual For 45 days, pursuant to Public Notice DA 04-1705. OR For 180 days pursuant to KDB 726920 D01. 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: FENGJIN Title: engineer

Page 1 of 5 Report No.: STS2007339 APPENDIX-PHOTOGRAPHS OF EUT CONSTRUCTIONAL DETAILS Photo 1 Photo 2 Page 2 of 5 Report No.: STS2007339 Photo 3 Photo 4 Page 3 of 5 Report No.: STS2007339 Photo 5 Photo 6 Page 4 of 5 Report No.: STS2007339 Photo 7 Photo 8 Page 5 of 5 Report No.: STS2007339 Photo 9

FCC Label 4G smartwatch phone Model name: S10 FCC ID: 2AW57S10 Size:30*10mm The label is engraved on the shell

Page 1 of 5 Report No.: STS2007339 APPENDIX-PHOTOGRAPHS OF EUT CONSTRUCTIONAL DETAILS Photo 1 Photo 2 GSM/WCDMA/LTE Antenna BT/WIFI/GPS Antenna Page 2 of 5 Report No.: STS2007339 Photo 3 Photo 4 Page 3 of 5 Report No.: STS2007339 Photo 5 Photo 6 Page 4 of 5 Report No.: STS2007339 Photo 7 Photo 8 Page 5 of 5 Report No.: STS2007339 Photo 9

Any reproduction of this document must be done in full. No single part of this document may be reproduced without permission from STS, All Test Data Presented in this report is only applicable to presented Test sample. ShenZhen STS Test Services Co.,Ltd. A 1/F, Building B, Zhuoke Science Park, No.190 Chongqing Road, HepingShequ, Fuyong Sub-District, Bao’an District, Shenzhen, Guang Dong, China TEL: +86-755 3688 6288 FAX: +86-755 3688 6277 E-mail:[email protected] S T L A B S Testing Engineer : (Aaron Bu) Technical Manager : (Sean she) Authorized Signatory : (Vita Li) SAR Dipole Performance Measurement Report EUT Type： SAR Validation Dipole and Waveguide Model Name： DIP0G835, DIP0G750, DIP1G900, DIP2G450, DIP2G600 Brand Name: SATIMO Test Conclusion： Pass Test Date： 16 Aug. 2019 Date of Issue： 17 Aug. 2019 ISSUED BY Shenzhen STS Test Services Co., Ltd. 1. Equipment List Kind of Equipment Manufacturer Type No. Serial No. Last Calibration Calibrated Until PC Acer N/A N/A N/A N/A E-Field Probe MVG SSE5 SN 14/16 EP309 2018.12.13 2019.12.12 Dielectric Probe Kit MVG SCLMP SN 32/14 OCPG67 2018.12.01 2019.11.30 Phantom1 MVG SAM SN 32/14 SAM115 N/A N/A Phantom2 MVG SAM SN 32/14 SAM116 N/A N/A Attenuator Agilent 99899 DC-18GHz N/A N/A Directional coupler Narda 4226-20 3305 N/A N/A Network Analyzer Agilent 8753ES US38432810 2019.03.02 2020.03.01 Multi Meter Keithley Multi Meter 2000 4050073 2018.10.13 2019.10.12 Signal Generator Agilent N5182A MY50140530 2018.10.16 2019.10.15 Power Amplifier DESAY ZHL-42W 9638 2018.10.13 2019.10.12 Power Meter R&S NRP 100510 2018.10.26 2019.10.25 Power Sensor R&S NRP-Z11 101919 2018.10.13 2019.10.12 Power Sensor Agilent E9301A MY41497725 2018.10.13 2019.10.12 hygrothermograph MiEO HH660 N/A 2018.10.11 2019.10.10 Thermograph Elitech RC-4 S/N EF7176501537 2018.10.15 2019.10.14 ISSUED BY Shenzhen STS Test Services Co., Ltd. 2. <Justification of the extended calibration> Referring to KDB 865664 D01, if dipoles are verified in return loss<-20dB, (within 20% of prior calibration), and in impedance (within 5 ohm of prior calibration), the annual calibration is not necessary and the calibration interval can be extended. Head 750 MHz Date of Measurement Return Loss (dB) Delta (%) Impedance Delta(ohm) 2017.08.15 -25.42 - 55.1 - 2018.08.15 -23.45 -7.75 55.84 0.74 2019.8.14 -23.25 -0.85 56.98 1.14 The return loss is <-20dB, within 20% of prior calibration; the impedance is within 5 ohm of prior calibration. Therefore the verification result should support extended calibration. <Dipole Verification Data> Head 750 MHz ISSUED BY Shenzhen STS Test Services Co., Ltd. Body 750 MHz Date of Measurement Return Loss (dB) Delta (%) Impedance Delta(ohm) 2017.08.15 -27.21 - 51.3 - 2018.08.15 -26.44 -2.82 51.50 0.20 2019.08.14 -26.17 -1.02 52.89 1.39 The return loss is <-20dB, within 20% of prior calibration; the impedance is within 5 ohm of prior calibration. Therefore the verification result should support extended calibration. <Dipole Verification Data> Body 750 MHz ISSUED BY Shenzhen STS Test Services Co., Ltd. Head 835 MHz Date of Measurement Return Loss (dB) Delta (%) Impedance Delta(ohm) 2017.08.15 -28.11 - 51.6 - 2018.08.15 -27.05 -3.77 54.69 3.09 2019.08.14 -26.41 -2.37 52.62 -2.07 The return loss is <-20dB, within 20% of prior calibration; the impedance is within 5 ohm of prior calibration. Therefore the verification result should support extended calibration. <Dipole Verification Data> Head 835MHz ISSUED BY Shenzhen STS Test Services Co., Ltd. Body 835 MHz Date of Measurement Return Loss (dB) Delta (%) Impedance Delta(ohm) 2017.08.15 -23.87 - 49.0 - 2018.08.15 -22.21 -6.95 52.59 3.59 2019.08.14 -24.25 9.19 52.65 0.06 The return loss is <-20dB, within 20% of prior calibration; the impedance is within 5 ohm of prior calibration. Therefore the verification result should support extended calibration. <Dipole Verification Data> Body 835MHz ISSUED BY Shenzhen STS Test Services Co., Ltd. Head 1900 MHz Date of Measurement Return Loss (dB) Delta (%) Impedance Delta(ohm) 2017.08.15 -23.68 - 51.2 - 2018.08.16 -25.00 5.57 47.12 -4.08 2019.08.15 -23.79 -4.84 48.62 1.50 The return loss is <-20dB, within 20% of prior calibration; the impedance is within 5 ohm of prior calibration. Therefore the verification result should support extended calibration. <Dipole Verification Data> Head 1900 MHz ISSUED BY Shenzhen STS Test Services Co., Ltd. Body 1900 MHz Date of Measurement Return Loss (dB) Delta (%) Impedance Delta(ohm) 2017.08.15 -20.22 - 48.8 - 2018.08.16 -23.26 15.03 47.11 -1.79 2019.08.15 -24.15 3.83 48.71 1.60 The return loss is <-20dB, within 20% of prior calibration; the impedance is within 5 ohm of prior calibration. Therefore the verification result should support extended calibration. <Dipole Verification Data> Body 1900 MHz ISSUED BY Shenzhen STS Test Services Co., Ltd. Head 2450 MHz Date of Measurement Return Loss (dB) Delta (%) Impedance Delta(ohm) 2017.08.15 -26.00 - 46.1 - 2018.08.16 -29.56 13.69 47.53 1.43 2019.08.16 -28.39 -3.96 48.46 0.93 The return loss is <-20dB, within 20% of prior calibration; the impedance is within 5 ohm of prior calibration. Therefore the verification result should support extended calibration. <Dipole Verification Data> Head 2450 MHz ISSUED BY Shenzhen STS Test Services Co., Ltd. Body 2450 MHz Date of Measurement Return Loss (dB) Delta (%) Impedance Delta(ohm) 2017.08.15 -32.75 - 48.8 - 2018.08.16 -31.06 -5.16 45.61 -3.19 2019.08.16 -30.52 -1.74 46.33 0.72 The return loss is <-20dB, within 20% of prior calibration; the impedance is within 5 ohm of prior calibration. Therefore the verification result should support extended calibration. <Dipole Verification Data> Body 2450 MHz ISSUED BY Shenzhen STS Test Services Co., Ltd. Head 2600 MHz Date of Measurement Return Loss (dB) Delta (%) Impedance Delta(ohm) 2017.08.15 -34.35 - 50.2 - 2018.08.16 -31.25 -9.02 53.76 3.56 2019.08.16 -31.54 0.93 53.82 0.06 The return loss is <-20dB, within 20% of prior calibration; the …

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Ref : ACR.262.4.20.SATU.A SHENZHEN STS TEST SERVICES CO., LTD. 1/F., BUILDING 2, ZHUOKE SCIENCE PARK,No.190, CHONGQING ROAD,FUYONG STREET, BAO’ AN DISTRICT, SHENZHEN,GUANGDONG,CHINA MVG COMOSAR REFERENCE DIPOLE FREQUENCY: 750 MHZ SERIAL NO.: SN 30/14 DIP0G750-331 Calibrated at MVG US 2105 Barrett Park Dr. - Kennesaw, GA 30144 07/14/2020 Summary: This document presents the method and results from an accredited SAR reference dipole calibration performed in MVG USA using the COMOSAR test bench. All calibration results are traceable to national metrology institutions. SAR Reference Dipole Calibration Report SAR REFERENCE DIPOLE CALIBRATION REPORT Ref: ACR.262.4.20.SATU.A Page: 2/11 This document shall not be reproduced, except in full or in part, without the written approval of MVG. The information contained herein is to be used only for the purpose for which it is submitted and is not to be released in whole or part without written approval of MVG. Name Function Date Signature Prepared by : Jérôme LUC Product Manager 7/28/2020 Checked by : Jérôme LUC Product Manager 7/28/2020 Approved by : Kim RUTKOWSKI Quality Manager 7/28/2020 Customer Name Distribution : Shenzhen STS Test Services Co., Ltd. Issue Date Modifications A 7/28/2020Initial release SAR REFERENCE DIPOLE CALIBRATION REPORT Ref: ACR.262.4.20.SATU.A Page: 3/11 This document shall not be reproduced, except in full or in part, without the written approval of MVG. The information contained herein is to be used only for the purpose for which it is submitted and is not to be released in whole or part without written approval of MVG. TABLE OF CONTENTS 1 Introduction ................................................................................................................ 4 2 Device Under Test ..................................................................................................... 4 3 Product Description ................................................................................................... 4 3.1 General Information _______________________________________________________ 4 4 Measurement Method ................................................................................................ 5 4.1 Return Loss Requirements __________________________________________________ 5 4.2 Mechanical Requirements ___________________________________________________ 5 5 Measurement Uncertainty .......................................................................................... 5 5.1 Return Loss ______________________________________________________________ 5 5.2 Dimension Measurement ___________________________________________________ 5 5.3 Validation Measurement ____________________________________________________ 5 6 Calibration Measurement Results .............................................................................. 6 6.1 Return Loss and Impedance In Head Liquid ____________________________________ 6 6.2 Return Loss and Impedance In Body Liquid ____________________________________ 6 6.3 Mechanical Dimensions ____________________________________________________ 6 7 Validation measurement ............................................................................................ 7 7.1 Head Liquid Measurement __________________________________________________ 7 7.2 SAR Measurement Result With Head Liquid ____________________________________ 8 7.3 Body Liquid Measurement __________________________________________________ 9 7.4 SAR Measurement Result With Body Liquid __________________________________ 10 8 List of Equipment .................................................................................................... 11 SAR REFERENCE DIPOLE CALIBRATION REPORT Ref: ACR.262.4.20.SATU.A Page: 4/11 This document shall not be reproduced, except in full or in part, without the written approval of MVG. The information contained herein is to be used only for the purpose for which it is submitted and is not to be released in whole or part without written approval of MVG. 1 INTRODUCTION This document contains a summary of the requirements set forth by the IEEE 1528, OET 65 Bulletin C and CEI/IEC 62209 standards for reference dipoles used for SAR measurement system validations and the measurements that were performed to verify that the product complies with the fore mentioned standards. 2 DEVICE UNDER TEST Device Under Test Device Type COMOSAR 750 MHz REFERENCE DIPOLE Manufacturer MVG Model SID750 Serial Number SN 30/14 DIP0G750-331 Product Condition (new / used) New A yearly calibration interval is recommended. 3 PRODUCT DESCRIPTION 3.1 GENERAL INFORMATION MVG’s COMOSAR Validation Dipoles are built in accordance to the IEEE 1528, OET 65 Bulletin C and CEI/IEC 62209 standards. The product is designed for use with the COMOSAR test bench only. Figure 1 – MVG COMOSAR Validation Dipole SAR REFERENCE DIPOLE CALIBRATION REPORT Ref: ACR.262.4.20.SATU.A Page: 5/11 This document shall not be reproduced, except in full or in part, without the written approval of MVG. The information contained herein is to be used only for the purpose for which it is submitted and is not to be released in whole or part without written approval of MVG. 4 MEASUREMENT METHOD The IEEE 1528, OET 65 Bulletin C and CEI/IEC 62209 standards provide requirements for reference dipoles used for system validation measurements. The following measurements were performed to verify that the product complies with the fore mentioned standards. 4.1 RETURN LOSS REQUIREMENTS The dipole used for SAR system validation measurements and checks must have a return loss of -20 dB or better. The return loss measurement shall be performed against a liquid filled flat phantom, with the phantom constucted as outlined in the fore mentioned standards. 4.2 MECHANICAL REQUIREMENTS The IEEE Std. 1528 and CEI/IEC 62209 standards specify the mechanical components and dimensions of the validation dipoles, with the dimensions frequency and phantom shell thickness dependent. The COMOSA…

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Any reproduction of this document must be done in full. No single part of this document may be reproduced without permission from STS, All Test Data Presented in this report is only applicable to presented Test sample. ShenZhen STS Test Services Co.,Ltd. A 1/F, Building B, Zhuoke Science Park, No.190 Chongqing Road, HepingShequ, Fuyong Sub-District, Bao’an District, Shenzhen, Guang Dong, China TEL: +86-755 3688 6288 FAX: +8 6-755 3688 6277 E-mail:[email protected] FCC SAR TEST REPORT Report No.: STS2007339H01 Issued for Shenzhen Leiwei Guoji Keji Co., Ltd. Rm1012, Plaza Building, No.74 Baomin Road, Bao’an District, Shenzhen, China Product Name: 4G smartwatch phone Brand Name: Ckyrin Model Name: S10 Series Model: S20, S30, S40, S50, S60, S70, S80, S90, M10, M20, M30, M40, M50, M60, M70, M80, M90, K1, K2, K3, K4, K5, K6, K7, K8, K9, W1, W2, W3, W4, W5, W6, W7, W8, W9, Z1, Z2, Z3, Z4, Z5, Z6, Z7, Z8, Z9 FCC ID: 2AW57S10 Test Standard: ANSI/IEEE Std. C95.1 FCC 47 CFR Part 2 ( 2.1093) IEEE 1528: 2013 Max. Report SAR (1g): Front of face: 1.157 W/kg Max. Report SAR (10g): Wrist: 1.653 W/kg S T L A B S Page 2 of 71 Report No.: STS2007339H01 Test Report Certification Applicant’s name ................. : Shenzhen Leiwei Guoji Keji Co., Ltd. Address ................................. : Rm1012, Plaza Building, No.74 Baomin Road, Bao’an District, Shenzhen, China Manufacture's Name ............ : Shenzhen Leiwei Guoji Keji Co., Ltd. Address ................................. : Rm1012, Plaza Building, No.74 Baomin Road, Bao’an District, Shenzhen, China Product description Product name ........................ : 4G smartwatch phone Brand name ......................... : Ckyrin Model name ......................... : S10 Series Model .......................... : S20, S30, S40, S50, S60, S70, S80, S90, M10, M20, M30, M40, M50, M60, M70, M80, M90, K1, K2, K3, K4, K5, K6, K7, K8, K9, W1, W2, W3, W4, W5, W6, W7, W8, W9, Z1, Z2, Z3, Z4, Z5, Z6, Z7, Z8, Z9 Standards ............................. : ANSI/IEEE Std. C95.1-1992 FCC 47 CFR Part 2 ( 2.1093) IEEE 1528: 2013 The device was tested by Shenzhen STS Test Services Co., Ltd. in accordance with the measurement methods and procedures specified in KDB 865664 The test results in this report apply only to the tested sample of the stated device/equipment. Other similar device/equipment will not necessarily produce the same results due to production tolerance and measurement uncertainties. Date of Test ............................................ : Date (s) of performance of tests ............. : 01 Aug. 2020~06 Aug. 2020 Date of Issue ........................................... : 07 Aug. 2020 Test Result ............................................... : Pass Testing Engineer : (Aaron Bu) Technical Manager : (Sean she) Authorized Signatory : (Vita Li) Page 3 of 71 Report No.: STS2007339H01 Table of Contents 1. General Information 5 1.1 EUT Description 5 1.2 Test Environment 7 1.3 Test Factory 7 2. Test Standards and Limits 8 3. SAR Measurement System 9 3.1 Definition of Specific Absorption Rate (SAR) 9 3.2 SAR System 9 4. Tissue Simulating Liquids 12 4.1 Simulating Liquids Parameter Check 12 5. SAR System Validation 14 5.1 Validation System 14 5.2 Validation Result 14 6. SAR Evaluation Procedures 15 7. EUT Test Position 16 8. Uncertainty 17 8.1 Measurement Uncertainty 17 8.2 System validation Uncertainty 18 9. Conducted Power Measurement 19 9.1 Test Result 19 9.2 SAR Test Exclusions Applied 27 11. EUT and Test Setup Photo 28 11.1 EUT Photo 28 11.2 Setup Photo 31 12. SAR Result Summary 33 12.1 Front of face SAR 33 12.2 Wrist SAR 34 12.3 repeated SAR measurement 34 13. Equipment List 37 Appendix A. System Validation Plots 38 Appendix B. SAR Test Plots 58 Appendix C. Probe Calibration and Dipole Calibration Report 71 Page 4 of 71 Report No.: STS2007339H01 Revision History Rev. Issue Date Report No. Effect Page Contents 00 07 Aug. 2020 STS2007339H01 ALL Initial Issue Page 5 of 71 Report No.: STS2007339H01 1. General Information Environmental evaluation measurements of specific absorption rate (SAR) distributions in emulated human head and body tissues exposed to radio frequency (RF) radiation from wireless portable devices for compliance with the rules and regulations of the U.S. Federal Communications Commission (FCC). 1.1 EUT Description Product Name 4G smartwatch phone Brand Name Ckyrin Model Name S10 Series Model S20, S30, S40, S50, S60, S70, S80, S90, M10, M20, M30, M40, M50, M60, M70, M80, M90, K1, K2, K3, K4, K5, K6, K7, K8, K9, W1, W2, W3, W4, W5, W6, W7, W8, W9, Z1, Z2, Z3, Z4, Z5, Z6, Z7, Z8, Z9 Model Difference Only different in model name. Battery Rated Voltage: 3.8V Charge Limit: 4.35V Capacity: 900mAh Device Category Portable Product stage Production unit RF Exposure Environment General Population / Uncontrolled IMEI 353919025680130 Hardware Version C7S_MB_V1.1_190308 Software Version S10_C7S_EN_V1.6_20200523 Frequency Range GSM 850: 824.2~848.8MHz PCS1900: 1850.2~1909.8MHz WCDMA Band II: 1852.4~1907.6MHz WCDMA Band V: 826.4~846.6MHz LTE Band 7: 2502.5~2567.5MHz LTE Band 12: 699.7~715.3MHz WLAN802.11b/g/n(HT20): 2412~2462MHz WLAN 802.11n(HT40): 2422~2452MHz Bluetooth: 2402~ 2480MHz Max. Reported SAR Band Mode Front of face-1g (W/kg) Wrist-10g (W/kg) PCE GSM 850 1.157 1.317 PCE GSM 19000.4491.653 PCE WCDMA Band II0.7911.114 PCE WCDMA Band V0.1360.606 PCE LTE Band 7 0.679 1.696 PCE LTE Band 120.2980.499 DTS 2.4GHz WLAN0.0130.126 DTS Bluetooth Note 0.0210.017 Sum SAR 1.1781.822 Limit 1.6 W/kg4.0 W/kg FCC Equipment Class Licensed Portable Transmitter Worn on body (PCT) Digital Transmission System (DTS) Page 6 of 71 Report No.: STS2007339H01 Operating Mode: GSM: GSM Voice; GPRS; EGPRS Class 12 WCDMA: RMC, HSDPA, HSUPA Release 6 LTE: QPSK, 16QAM WLAN: 802.11 b/g/n(HT20) /n(HT40) BLE: GFSK Antenna Specification: GSM, WCDMA, LTE: PIFA Antenna BT, WLAN: PIFA Antenna SIM Card Only support single SIM Card. Hotspot Mode Not Support DTM Mode Not Support Note: 1. Bluetooth S…

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Any reproduction of this document must be done in full. No single part of this document may be reproduced without permission from STS, All Test Data Presented in this report is only applicable to presented Test sample. Shenzhen STS Test Services Co., Ltd. A 1/F, Building B, Zhuoke Science Park, No.190 Chongqing Road, HepingShequ, Fuyong Sub-District, Bao‟an District, Shenzhen, Guang Dong, China TEL: +86-755 3688 6288 FAX: +86-755 3688 6277 E-mail:[email protected] RADIO TEST REPORT Report No.:STS2007339W01 Issued for Shenzhen Leiwei Guoji Keji Co., Ltd. Rm1012, Plaza Building, No.74 Baomin Road, Bao‟an District, Shenzhen, China Product Name: 4G smartwatch phone Brand Name: Ckyrin Model Name: S10 Series Model: S20, S30, S40, S50, S60, S70, S80, S90, M10, M20, M30, M40, M50, M60, M70, M80, M90, K1, K2, K3, K4, K5, K6, K7, K8, K9, W1, W2, W3, W4, W5, W6, W7, W8, W9, Z1, Z2, Z3, Z4, Z5, Z6, Z7, Z8, Z9 FCC ID: 2AW57S10 Test Standard: FCC Part 15.247 S T L A B S Page 2 of 44 Report No.: STS2007339W01 TEST RESULT CERTIFICATION Applicant’s Name ................. : Shenzhen Leiwei Guoji Keji Co., Ltd. Address ................................. : Rm1012, Plaza Building, No.74 Baomin Road, Bao‟an District, Shenzhen, China Manufacture's Name ............ : Shenzhen Leiwei Guoji Keji Co., Ltd. Address ................................. : Rm1012, Plaza Building, No.74 Baomin Road, Bao‟an District, Shenzhen, China Product Description Product Name ....................... : 4G smartwatch phone Brand Name ........................ : Ckyrin Model Name .......................... : S10 Series Model ......................... : S20, S30, S40, S50, S60, S70, S80, S90, M10, M20, M30, M40, M50, M60, M70, M80, M90, K1, K2, K3, K4, K5, K6, K7, K8, K9, W1, W2, W3, W4, W5, W6, W7, W8, W9, Z1, Z2, Z3, Z4, Z5, Z6, Z7, Z8, Z9 Test Standards ..................... : FCC Part15.247 Test Procedure ...................... : ANSI C63.10-2013 This device described above has been tested by STS, the test results show that the equipment under test (EUT) is in compliance with the FCC requirements. And it is applicable only to the tested sample identified in the report. This report shall not be reproduced except in full, without the written approval of STS, this document may be altered or revised by STS, personal only, and shall be noted in the revision of the document. Date of Test ........................................... : Date of receipt of test item ..................... : 29 July 2020 Date (s) of performance of tests ............. : 29 July 2020 ~ 12 Aug. 2020 Date of Issue .......................................... : 12 Aug. 2020 Test Result.............................................. : Pass Testing Engineer : (Chris Chen) Technical Manager : (Sean she) Authorized Signatory : (Vita Li) Page 3 of 44 Report No.: STS2007339W01 Table of Contents 1. SUMMARY OF TEST RESULTS 6 1.1 TEST FACTORY 7 1.2 MEASUREMENT UNCERTAINTY 7 2. GENERAL INFORMATION 8 2.1 GENERAL DESCRIPTION OF THE EUT 8 2.2 DESCRIPTION OF THE TEST MODES 10 2.3 TEST SOFTWARE AND POWER LEVEL 10 2.4 BLOCK DIGRAM SHOWING THE CONFIGURATION OF SYSTEM TESTED 11 2.5 DESCRIPTION OF NECESSARY ACCESSORIES AND SUPPORT UNITS 12 2.6 EQUIPMENTS LIST 13 3. EMC EMISSION TEST 14 3.1 CONDUCTED EMISSION MEASUREMENT 14 3.2 TEST PROCEDURE 15 3.3 TEST SETUP 15 3.4 EUT OPERATING CONDITIONS 15 3.5 TEST RESULTS 16 4. RADIATED EMISSION MEASUREMENT 18 4.1 RADIATED EMISSION LIMITS 18 4.2 TEST PROCEDURE 20 4.3 TEST SETUP 21 4.4 EUT OPERATING CONDITIONS 21 4.5 FIELD STRENGTH CALCULATION 21 4.6 TEST RESULTS 23 5. CONDUCTED SPURIOUS & BAND EDGE EMISSION 30 5.1 LIMIT 30 5.2 TEST PROCEDURE 30 5.3 TEST SETUP 30 5.4 EUT OPERATION CONDITIONS 30 5.5 TEST RESULTS 31 6. POWER SPECTRAL DENSITY TEST 35 6.1 LIMIT 35 6.2 TEST PROCEDURE 35 6.3 TEST SETUP 35 Page 4 of 44 Report No.: STS2007339W01 Table of Contents 6.4 EUT OPERATION CONDITIONS 35 6.5 TEST RESULTS 36 7. BANDWIDTH TEST 38 7.1 LIMIT 38 7.2 TEST PROCEDURE 38 7.3 TEST SETUP 38 7.4 EUT OPER…

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