2BXYZ-CXZ581Interactive Emoji Screen

ShenzhenChenxinzhengTechnologyCo.,Ltd Room1305,BuildingT1,LijinchengCenter,YousongCommunity, LonghuaSubdistrict,LonghuaDistrict,ShenzhenCity,China FederalCommunicationsCommission AuthorizationandEvaluationDivision EquipmentAuthorizationBranch 7435OaklandMillsRoad Columbia,MD21046 2026/09/16 ShenzhenChenxinzhengTechnologyCo.,Ltdacknowledgestheirconsentforthefollowingcontactlocatedin theUnitedStatestoactastheiragentforserviceofprocessfortheequipmentforwhichauthorizationissought (FCCID:2BXYZ-CXZ581) U.S.AgentDesignation : NameandcompanyofU.S.agent: PhysicalU.S.addressofagent: FRNofU.S.agent: PhoneofU.S.agent: EmailaddressofU.S.agent: GLOCERTSTECHNOLOGYINCacknowledgestheirobligationtoacceptserviceofprocessonbehalfof ShenzhenChenxinzhengTechnologyCo.,LtdwiththeFRN[0038834552]acceptsitsobligationtomaintainan agentforserviceofprocessintheUnitedStatesfornolessthanoneyearaftereitherthegranteehaspermanently terminatedallmarketingandimportationoftheapplicableequipmentwithintheU.S.,ortheconclusionofany Commission-relatedadministrativeorjudicialproceedinginvolvingtheequipment,whicheverislater GLOCERTSTECHNOLOGYINC 19784SUNKISSEDRIDGEDRRIVERSIDE,CA92507UnitedStates 0036339737 (626)588-8039 [email protected] . Bysigningthisform,weconfirmtheaboveandthatweareawareoftheapplicationrequirementslistedunder§ 2.911(d)(7). TheinformationprovidedinthisletterisbasedonthereferencedrulepartsofTitle47oftheCFRaswellasKDB 986446D01. Anexpirationdateforthisletterdoesnotexist.IncasetheU.S.agentchanges,thegranteeisobligatedtonotify theFCCwithin30daysviathegrantingTCB.Anexpirationdateforthisletterdoesnotexist. Sincerely, Signature ShuZhang Manager ShenzhenChenxinzhengTechnologyCo.,Ltd Signature HuiyingFan Director GLOCERTSTECHNOLOGYINC

FCC ID: 2BXYZ-CXZ581 External Photos of the EUT FCC ID: 2BXYZ-CXZ581 FCC ID: 2BXYZ-CXZ581

Label and Location Size: L: 1.0cm*W: 0.5cm Label and Location FCC ID : 2BXYZ-CXZ581

FCC ID: 2BXYZ-CXZ581 Internal Photos of the EUT FCC ID: 2BXYZ-CXZ581 BT ANT FCC ID: 2BXYZ-CXZ581 WIFI ANT FCC ID: 2BXYZ-CXZ581 FCC ID: 2BXYZ-CXZ581

Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn RF Exposure MPE Report Reference No. ..................... : FCC ID............................................. : CTA26090301103 2BXYZ-CXZ581 Compiled by ( position+printed name+signature) . : File administrators Zoey Cao Supervised by ( position+printed name+signature) . : Project Engineer Ace Chai Approved by ( position+printed name+signature) . : RF Manager Eric Wang Date of issue .................................... : Sep. 07, 2026 Testing Laboratory Name .............. : Shenzhen CTA Testing Technology Co., Ltd. Address............................................ : Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Applicant’s name ............................ : Shenzhen Chenxinzheng Technology Co., Ltd Address............................................ : Room 1305, Building T1, Lijincheng Center, Yousong Community, LonghuaSubdistrict, Longhua District, Shenzhen City, China Standard ........................................... : 47CFR §1.1310 47CFR §2.1091 KDB447498 D01 General RF Exposure Guidance v06 Shenzhen CTA Testing Technology Co., Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purpses as long as the Shenzhen CTA Testing Technology Co., Ltd. is acknowledged as copyright owner and source of the material. Shenzhen CTA Testing Technology Co., Ltd. takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. Test item description ..................... : Interactive Emoji Screen Trade Mark ....................................... : N/A Manufacturer .................................... : Shenzhen Chenxinzheng Technology Co., Ltd Model/Type reference ...................... : CXZ581 Listed Models ................................... : CXZ582, CXZ583, CXZ584, CXZ585, CXZ586, CXZ587, CXZ588, CXZ589 Rating ............................................... : Input: 5V1A Result ............................................... : PASS Report No.: CTA26090301103 Page 2 of 8 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn T E S T R E P O R T Equipment under Test : Interactive Emoji Screen Model /Type : CXZ581 Listed Models : CXZ582, CXZ583, CXZ584, CXZ585, CXZ586, CXZ587, CXZ588, CXZ589 Model difference : The PCB board, circuit, structure and internal of these models are the same, only model number and colour are different for these models. So the tests were performed on model CXZ581 and the test results for the main test model can cover the listed models. Applicant : Shenzhen Chenxinzheng Technology Co., Ltd Address : Room 1305, Building T1, Lijincheng Center, Yousong Community, LonghuaSubdistrict, Longhua District, Shenzhen City, China Manufacturer : Shenzhen Chenxinzheng Technology Co., Ltd Address : ROOM 613, LONGPENG BUILDING, NO.173 RENMIN ROAD, LONGYUAN COMMUNITY, LONGHUA SUB DISTRICT, LONGHUA DISTRICT, SHENZHEN, CHINA Test Result: PASS The test report merely corresponds to the test sample. It is not permitted to copy extracts of these test result without the written permission of the test laboratory. Report No.: CTA26090301103 Page 3 of 8 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn Contents 1 TEST STANDARDS ............................................................................................................ 4 2 SUMMARY .......................................................................................................................... 5 2.1 General Remarks ..................................................................................................... 5 2.2 Product Description ................................................................................................. 5 2.3 Special Accessories ................................................................................................. 5 2.4 Modifications ............................................................................................................ 5 3 TEST ENVIRONMENT ....................................................................................................... 6 3.1 Address of the test laboratory .................................................................................. 6 3.2 Test Facility .............................................................................................................. 6 3.3 Statement of the measurement uncertainty ............................................................. 6 4 Test limit .............................................................................................................................. 7 4.1 Requirement ............................................................................................................ 7 4.2 MPE Calculation Method ......................................................................................... 7 4.3 Conducted Power Results ....................................................................................... 7 4.4 Manufacturing tolerance .......................................................................................... 8 4.5 Standalone MPE Result ............................................................................…

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1. Antenna Description: Antenna type PCB antenna Model CXZ581-BT Frequency range 2400-2500MHz Manufacturer Shenzhen Chenxinzheng Technology Co., Ltd Address Room 1305, Building T1, Lijincheng Center, Yousong Community, LonghuaSubdistrict, Longhua District, Shenzhen City, China ANT Peak Gain 1.45 dBi 2. Antenna Photo: 3. Test Equipment & Conditions 3.1 Test instrument VSWR is tested using Agilent E5071B connected to a hand mechanism, and the status is free space. 3.2 Test environment and methods 4．Antenna Radiation Pattern 2400MHz 2450MHz 2500MHz

Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn FCC PART 15 SUBPART C TEST REPORT FCC PART 15.247 Report Reference No. ...................: FCC ID. ......................................... : CTA26090301101 2BXYZ-CXZ581 Compiled by ( position+printed name+signature) : File administrators Zoey Cao Supervised by ( position+printed name+signature) : Project Engineer Ace Chai Approved by ( position+printed name+signature) : RF Manager Eric Wang Date of issue ...................................: Sep. 07, 2026 Testing Laboratory Name .............: Shenzhen CTA Testing Technology Co., Ltd. Address ..........................................: Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Applicant’s name...........................: Shenzhen Chenxinzheng Technology Co., Ltd Address ...........................................: Room 1305, Building T1, Lijincheng Center, Yousong Community, LonghuaSubdistrict, Longhua District, Shenzhen City, China Test specification ......................... : Standard ..........................................: FCC Part 15.247 Shenzhen CTA Testing Technology Co., Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen CTA Testing Technology Co., Ltd. is acknowledged as copyright owner and source of the material. Shenzhen CTA Testing Technology Co., Ltd. takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. Equipment description ................ : Interactive Emoji Screen Trade Mark ......................................: N/A Manufacturer ...................................: Shenzhen Chenxinzheng Technology Co., Ltd Model/Type reference .....................: CXZ581 Listed Models ..................................: CXZ582, CXZ583, CXZ584, CXZ585, CXZ586, CXZ587, CXZ588, CXZ589 Modulation ......................................: GFSK Frequency .......................................: From 2402MHz to 2480MHz Ratings ............................................: Input: 5V1A Result ..............................................: PASS Report No.: CTA26090301101 Page 2 of 37 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn T E S T R E P O R T Equipment under Test : Interactive Emoji Screen Model /Type : CXZ581 Listed Models : CXZ582, CXZ583, CXZ584, CXZ585, CXZ586, CXZ587, CXZ588, CXZ589 Model difference : The PCB board, circuit, structure and internal of these models are the same, only model number and colour are different for these models. So the tests were performed on model CXZ581 and the test results for the main test model can cover the listed models. Applicant : Shenzhen Chenxinzheng Technology Co., Ltd Address : Room 1305, Building T1, Lijincheng Center, Yousong Community, LonghuaSubdistrict, Longhua District, Shenzhen City, China Manufacturer : Shenzhen Chenxinzheng Technology Co., Ltd Address : ROOM 613, LONGPENG BUILDING, NO.173 RENMIN ROAD, LONGYUAN COMMUNITY, LONGHUA SUB DISTRICT, LONGHUA DISTRICT, SHENZHEN, CHINA Test Result: PASS The test report merely corresponds to the test sample. It is not permitted to copy extracts of these test result without the written permission of the test laboratory. Report No.: CTA26090301101 Page 3 of 37 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn Contents 1 TEST STANDARDS ...................................................................................................................................... 4 2 SUMMARY .................................................................................................................................................... 5 2.1 General Remarks .............................................................................................................................. 5 2.2 Product Description* .......................................................................................................................... 5 2.3 Equipment Under Test ....................................................................................................................... 5 2.4 Short description of the Equipment under Test (EUT) ...................................................................... 5 2.5 EUT configuration .............................................................................................................................. 5 2.6 EUT operation mode ......................................................................................................................... 5 2.7 Block Diagram of Test Setup ............................................................................................................. 6 2.8 Related Submittal(s) / Grant (s) ......................................................................................................... 6 2.9 Modifications ...................................................................................................................................... 6 3 TEST ENVIRONMENT ................................................................................................................................. 7 3.1 Address of the test laboratory .............................................…

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1 FCC Appendix RF Test Data for BLE FCC ID : 2BXYZ-CXZ581 Company : Shenzhen Chenxinzheng Technology Co., Ltd EUT : Interactive Emoji Screen Model Number : CXZ581 Report No. : CTA26090301101 Reviewed By : Eric Wang 2 Appendix A: DTS Bandwidth Test Result TestMode Antenna Freq(MHz) DTS BW [MHz] FL[MHz] FH[MHz] Limit[MHz] Verdict BLE_1M Ant1 2402 0.652 2401.688 2402.340 0.5 PASS 2440 0.656 2439.684 2440.340 0.5 PASS 2480 0.648 2479.688 2480.336 0.5 PASS 3 Test Graphs BLE_1M_Ant1_2402 BLE_1M_Ant1_2440 BLE_1M_Ant1_2480 4 5 Appendix B: Occupied Channel Bandwidth Test Result TestMode Antenna Freq(MHz) OCB [MHz] FL[MHz] FH[MHz] Limit[MHz] Verdict BLE_1M Ant1 2402 1.0080 2401.5164 2402.5244 --- --- 2440 1.0033 2439.5180 2440.5213 --- --- 2480 1.0088 2479.5168 2480.5256 --- --- 6 Test Graphs BLE_1M_Ant1_2402 BLE_1M_Ant1_2440 BLE_1M_Ant1_2480 7 8 Appendix C: Maximum conducted output power Test Result Peak TestMode Antenna Freq(MHz) Conducted Peak Powert[dBm] Conducted Limit[dBm] Verdict BLE_1M Ant1 2402 0.45 ≤30 PASS 2440 0.32 ≤30 PASS 2480 0.07 ≤30 PASS 9 Appendix D: Maximum power spectral density Test Result TestMode Antenna Freq(MHz) Result[dBm/3kHz] Limit[dBm/3kHz] Verdict BLE_1M Ant1 2402 -15.41 ≤8.00 PASS 2440 -15.24 ≤8.00 PASS 2480 -15.57 ≤8.00 PASS 10 Test Graphs BLE_1M_Ant1_2402 BLE_1M_Ant1_2440 BLE_1M_Ant1_2480 11 12 Appendix E: Band edge measurements Test Result TestMod e Antenn a ChNam e Freq(MHz ) RefLevel[dBm ] Result[dBm ] Limit[dBm ] Verdic t BLE_1M Ant1 Low 2402 0.15 -51.03 ≤-19.85 PASS High 2480 -0.88 -52.81 ≤-20.88 PASS 13 Test Graphs BLE_1M_Ant1_Low_2402 BLE_1M_Ant1_High_2480 14 Appendix F: Conducted Spurious Emission Test Result TestMode Antenna Freq(MHz) FreqRange [MHz] RefLevel [dBm] Result[dBm] Limit[dBm] Verdict BLE_1M Ant1 2402 Reference -0.15 -0.15 --- PASS 30~1000 -0.15 -67.39 ≤-20.15 PASS 1000~26500 -0.15 -41.08 ≤-20.15 PASS 2440 Reference -1.14 -1.14 --- PASS 30~1000 -1.14 -67.58 ≤-21.14 PASS 1000~26500 -1.14 -39.91 ≤-21.14 PASS 2480 Reference -0.68 -0.68 --- PASS 30~1000 -0.68 -68.28 ≤-20.68 PASS 1000~26500 -0.68 -39.38 ≤-20.68 PASS 15 Test Graphs BLE_1M_Ant1_2402_0~Reference BLE_1M_Ant1_2402_30~1000 BLE_1M_Ant1_2402_1000~26500 16 BLE_1M_Ant1_2440_0~Reference BLE_1M_Ant1_2440_30~1000 17 BLE_1M_Ant1_2440_1000~26500 BLE_1M_Ant1_2480_0~Reference BLE_1M_Ant1_2480_30~1000 18 BLE_1M_Ant1_2480_1000~26500 19 Appendix G: Duty Cycle Test Result TestMode Antenna Freq(MHz) ON Time [ms] Period [ms] X DC [%] xFactor Limit Verdict BLE_1M Ant1 2402 0.41 0.62 0.6613 66.13 1.80 --- --- 2440 0.42 0.63 0.6667 66.67 1.76 --- --- 2480 0.41 0.62 0.6613 66.13 1.80 --- --- 20 Test Graphs BLE_1M_Ant1_2402 BLE_1M_Ant1_2440 BLE_1M_Ant1_2480 21 22 Appendix H: Emissions in Restricted Bands Test Result TestMode Antenna ChName Freq(MHz) Detector Freq [MHz] Result [dBm] Gain [dB] DC Factor [dB] Result [dBuV/m] Limit [dBuV/m] Verdict BLE_1M Ant1 Low 2402 AV 2310.000 -60.39 2.00 1.80 38.61 ≤54 PASS AV 2374.970 -58.87 2.00 1.80 40.13 ≤54 PASS AV 2390.000 -59.92 2.00 1.80 39.08 ≤54 PASS Peak 2310.000 -52.91 2.00 0.00 44.29 ≤74 PASS Peak 2375.915 -48.49 2.00 0.00 48.71 ≤74 PASS Peak 2390.000 -52 2.00 0.00 45.20 ≤74 PASS High 2480 AV 2483.500 -57.77 2.00 1.80 41.23 ≤54 PASS AV 2483.600 -57.04 2.00 1.80 41.96 ≤54 PASS AV 2500.000 -59.32 2.00 1.80 39.68 ≤54 PASS Peak 2483.500 -49.61 2.00 0.00 47.59 ≤74 PASS Peak 2484.640 -44.78 2.00 0.00 52.42 ≤74 PASS Peak 2500.000 -50.7 2.00 0.00 46.50 ≤74 PASS Note： The limit in dBm for average detector is conversion from 54dBuV/m, according to 15.209(a). The limit in dBm for peak detector is 20dB above the limit of average detector in dBm. 23 Test Graphs BLE_1M_Ant1_Low_2402_AV BLE_1M_Ant1_Low_2402_Peak BLE_1M_Ant1_High_2480_AV 24 BLE_1M_Ant1_High_2480_Peak

FCC ID: 2BXYZ-CXZ581 Test Setup Photos of the EUT FCC ID: 2BXYZ-CXZ581