RJM206205306237Buzzer clicker galaxy audience response system

Page 1 / 3 1.Systemoverview 2.Productlistandimage itemQuantitypc(s) Buzzer1set:1-8 Mastercontroller1 Userguide1 adapter1chargerfor4buzzers 3.Specifications SizeController:4.9X10.4X1.5CM; buttons.   Wireless Buzzer 206 is stand-alone version, which is easy-to-use response system with smart User Manual Page 2 / 3 Buzzer:diameter5CM，height3.1CM buzzer:rechargeablelithiumbattery Note: ○ 1 .Insertdrybatteriescorrectlybymatchingthe(+/-)markings ○ 2 .Removethedrybatterieswhentheyaredepletedornotusingthesystemforalongperiodoftime. ○ 3 .Forrechargeablebattery,whenrecharging,theredindicatorlightcomeson.Afterfullycharged,thegreen lightindicatorlightwillcomeson. Step1--turnonsystem.Press“Power” buttononmastercontrollerandpresspushbuttononbuzzerto openthesystem,thebuzzer’slightwillglowtoshowthebatterylife,thenturntored. Step2--startanactivity.Pressthe“Start”buttononmastercontroller,thecontrollerindicatorwill twinklegreen,andthebuzzerlightturnstogreen.Thenallplayerscanpressthepushbuttonforrush.Thefirst onewhopressedthepushbutton,his/herbuzzerwillflashwithbluelight,buzzaudiowillplayfromthebuzzer aswellandtheLCDscreenwillshowtheIDwhobuzzin.Otherbuzzerswillturnredlightonandlocked-out. Step3—continue.Press“Continue” buttononmastercontroller,otherplayerscanpresspushbutton andanswerquizinthesameway. Step4—stop.Press“Stop” buttononmastercontroller,allbuzzerlightswillturntored,allplayers can’tpressbuzzerbuttonsanymore. (Repeatabovestepscanstartanewactivity). Step5—Poweroff.Press“Power”buttononmastercontroller.Allbuzzerswillpoweroffaccordingly. (CubebuzzerandTowerbuzzerpresspowerswitchtopoweroff) 5.Batterylifetesting Pressthe‘Battery’buttononthemastercontroller,thenallbuzzerswillshowitslightcolor: Cyan:fullbattery （ voltage>=3.9V ） Blue:(Voltage:3.7 ～ 3.5V) Yellow: （ 3.5 ～ 3.2V ） Purple/Red: （ <=3.2V ） 6.Noteandtroubleshoot ○ 1 Ifthebuzzerbrightnessisnotobviousorwhenpress‘Battery’buttonglowingred/purple,pleaserecharge. ○ 2 Ifthebuzzersareredandgreenlightflashes,meansthebuzzerissearchingsignal.Ifthebuzzerisalways searchingsignal,pleasecheckthemastercontrollerison. ○ 3 Ifthemastercontrollercan’tcontrolthebuzzer,pleaseprogramthebuzzerwithmastercontroller.(See belowforhowtoprogram.) Range360 degree Distance< 10 meters Battery/recharge Master controller: 2 AAA battery 4.  Page 3 / 3 7.Otherfeatures--SetIDNo. Note:IDNo.alreadysetbyfactory,ifneedchangeit,pleasefollowbelowsteps. ○ 1 SetIDNo.(Program) Press“Mode” buttonswitchtosetBuzzId(inLCDscreenwillshowthisicon),andpress “NextNo.“/“PreviousNo.”buttontoselectthenumber,andthen,press“Start”.Atthe sametime,presspushbutton3timesquickly,thenthebuzzergreenlightflashes,andthemastercontroller display“ok”. (Remark:AftersettingIDNo.Pressthe‘Mode’buttonagain,switchtothenormalmode.) FCC Warning 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.

ENJOY TECHNOLOGY CO., LIMITED Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 12/5/2022 To whom it may concern: We, the undersigned, hereby authorize Eurofins Product Service GmbH to act on our behalf in all matters relating to applications for equipment authorization FCC ID: RJM206205306237 including the signing of all documents related to these matters. Any and all acts carried out by Eurofins Product Service GmbH on our behalf shall have the same effect as acts of our own. By signing this application form, we agree to Eurofins’ current valid General Terms and Conditions (AGB),Testing and Certification Regulations (PZO) which can be viewed on following website www.eurofins.de/ee or retrieved on request. We also hereby certify that no party to this application is subject to a denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 862. Sincerely, Signature [Name] jiankuai Li [Title] Manager [Company] Shenzhen STS Test Services Co., Ltd.

Eurofins Product Service GmbH Storkower Str. 38c 15526 Reichenwalde b. Berlin Germany Tel +49-33631-888 0 Fax +49-33631-888 650 www.eurofins.de/ipt www.eurofins.com REQUEST FOR CONFIDENTIALITY [Reference Document: FCC KDB# # 726920 D02 Confidentiality Procedures Detail v01] NOTE: If you do not require confidentiality your exhibits are visible on the FCC website for everyone. A request for confidentiality must be indicated in item 8 of the 731 form and a letter making specific request for confidentiality must accompany the application as a separate exhibit. This letter must state exactly which portions of the application are to be held in confidence and for what specific reason. Exhibit types that are commonly held confidential are: (1) schematic diagrams, (2) detailed block diagrams, (3) detailed operational descriptions, (4) parts lists, and (5) tune up procedures (if applicable). Internal photos and user's manual exhibits, while not typically held confidential, may be eligible for long confidentiality in certain circumstances. Additional justification must be provided in these cases: (6) Internal Photos (may be held confidential when i.e. - the circuit board is enclosed in epoxy or some sort of material that would destroy the circuit board if it was removed; - the device is sealed using special fasteners that cannot be opened using common hand tools or if the PCB’s are completely potted;  Provide photos justifying the attestation.  Provide justification as to how the device is sealed and how disassembly would destroy the product and circuit board. (7) Users manuals (may be held in confidence when i.e. - the manual will only be available to licensed or specially trained personnel. - the manual is very technical and is not provided to the consumer because the consumer cannot service the device  Submit an agreement such as a non-disclosure agreement, purchase agreement or installation agreement, between the grantee and the purchaser that is consistent with the submitted confidentiality request with regard to the internal photos, manual or any installation requirements such as located in an inaccessible area. The agreement should be on company's letter head. If applicable, the agreement should indicate how the purchaser will install the device and how the internal photo(s) or manual will not be given to the public The FCC is a federal agency and as such has duties to the public to disclose information made known to it (see 47 CFR 0). The FCC has a procedure to handle confidential items and any request will be delivered to the FCC for them to decide if it can be held in confidence (PBA procedure). A request for confidentially does not guarantee that the FCC will grant it. Please find below a sample letter for confidentiality request. Eurofins Product Service GmbH Storkower Str. 38c 15526 Reichenwalde b. Berlin Germany Tel +49-33631-888 0 Fax +49-33631-888 650 www.eurofins.de/ipt www.eurofins.com ENJOY TECHNOLOGY CO., LIMITED Federal Communications Commission Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 12/6/2022 Request for Permanent Confidentiality Company name: ENJOY TECHNOLOGY CO., LIMITED FCC ID: RJ M206205306237 FCC Part 15 Certification Gentlemen, In accordance with CFR 47 § 0.457 and CFR 47 § 0.459 ENJOY TECHNOLOGY CO., LIMITED hereby requests confidentiality of following attachments: (1) schematic diagrams, (2) detailed block diagrams, (3) detailed operational descriptions, These documents contain detailed system and equipment description and related information about the product which ENJOY TECHNOLOGY CO., LIMITED considers to be proprietary, confidential and a custom design and otherwise would not release to the general public. Since the design is a basis from which future technological products will evolve, ENJOY TECHNOLOGY CO., LIMITED considers that this information would be of benefit to its competitors and that the disclosure of the information in these documents would give competitors an unfair advantage in the market. Sincerely, Signature [Name] jiankuai Li [Title] Manager Shenzhen STS Test Services Co., Ltd. 1/F., Building B, Zhuoke Science Park, No.190, Chongqing Road, Fuyong Street, Bao’an District, Shenzhen Guangdong China

Differences Description We ENJOY TECHNOLOGY CO., LIMITED state: Product： Buzzer clicker galaxy audience response system Model Name： 206, 106, 306, 406, 506, 237, 337, 437, 215, 205, 303, 305, 307 Brand Name： EnjoyTech, Trebisky The electrical circuit design, layout, components used and internal wiring for above models are identical, Product models are named differently. Sincerely, Signature: Date: 2022.12.06 Name: Jiankuai Li Title: PM Company: SHENZHEN STS TEST SERVICES CO.,LTD.

Page 1 of 3 Report No.: STS2209137 APPENDIX-PHOTOGRAPHS OF EUT CONSTRUCTIONAL DETAILS Model: 206 Photo 1 Photo 2 Page 2 of 3 Report No.: STS2209137 Photo 3 Photo 4 Page 3 of 3 Report No.: STS2209137 Photo 5 Photo 6

FCC Label 20mm*15mm Buzzer clicker galaxy audience response system 206 FCC ID: RJM206205306237

Page 1 of 2 Report No.: STS2209137 APPENDIX-PHOTOGRAPHS OF EUT CONSTRUCTIONAL DETAILS Model: 206 Photo 1 Photo 2 Page 2 of 2 Report No.: STS2209137 Photo 3 Antenna

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.: STS2211101W01 Issued for ENJOY TECHNOLOGY CO., LIMITED Unit 04, 7/F, Bright Way Tower No.33 Mong Kok Road, Kowloon, Hongkong Product Name: Buzzer clicker galaxy audience response system Brand: EnjoyTech, Trebisky Model Number: 206 Series Model(s): 106, 306, 406, 506, 237, 337, 437, 215, 205, 303, 305, 307 FCC ID: RJM206205306237 Test Standard: FCC Part 15.249 S T L A B S Page 2 of 35 Report No.: STS2211101W01 TEST RESULT CERTIFICATION Applicant’s Name .................: ENJOY TECHNOLOGY CO., LIMITED Address ..................................: Unit 04, 7/F, Bright Way Tower No.33 Mong Kok Road, Kowloon, Hongkong Manufacture's Name ............: GUANGZHOU QILE TECHNOLOGY CO.,LTD Address ..................................: No.226,Peizheng North Road, Huadu District, Guangzhou, Guangdong Province, China. Product Description Product Name ........................: Buzzer clicker galaxy audience response system Brand .....................................: EnjoyTech, Trebisky Model Number ........................: 206 Series Model(s) ......................: 106, 306, 406, 506, 237, 337, 437, 215, 205, 303, 305, 307 Test Standards ......................: FCC Part15.249 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 only 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 ......: 17 Nov. 2022 Date of performance of tests ..: 17 Nov. 2022 ~ 22 Nov. 2022 Date of Issue ..........................: 22 Nov. 2022 Test Result .............................: Pass Testing Engineer : (Chris Chen) Technical Manager : (Sean she) Authorized Signatory : (Bovey Yang) Page 3 of 35 Report No.: STS2211101W01 Table of Contents Page 1. SUMMARY OF TEST RESULTS 5 1.1 TEST FACTORY 6 1.2 MEASUREMENT UNCERTAINTY 6 2. GENERAL INFORMATION 7 2.1 GENERAL DESCRIPTION OF THE EUT 7 2.2 DESCRIPTION OF THE TEST MODES 9 2.3 TEST SOFTWARE AND POWER LEVEL 9 2.4 BLOCK DIGRAM SHOWING THE CONFIGURATION OF SYSTEM TESTED 10 2.5 DESCRIPTION OF NECESSARY ACCESSORIES AND SUPPORT UNITS 10 2.6 EQUIPMENTS LIST FOR ALL TEST ITEMS 11 3. EMC EMISSION TEST 12 3.1 CONDUCTED EMISSION MEASUREMENT 12 3.2 RADIATED EMISSION MEASUREMENT 14 4. BANDWIDTH TEST 31 4.1 TEST PROCEDURE 31 4.2 TEST SETUP 31 4.3 EUT OPERATION CONDITIONS 31 4.4 TEST RESULTS 32 5. ANTENNA REQUIREMENT 34 5.1 STANDARD REQUIREMENT 34 5.2 EUT ANTENNA 34 APPENDIX- PHOTOS OF TEST SETUP 35 Page 4 of 35 Report No.: STS2211101W01 Revision History Rev. Issue Date Report NO. Effect Page Contents 00 22 Nov. 2022 STS2211101W01 ALL Initial Issue Page 5 of 35 Report No.: STS2211101W01 1. SUMMARY OF TEST RESULTS Test procedures according to the technical standards: FCC Part 15.249 , Subpart C Standard Section Test Item Judgment Remark 15.207 Conducted Emission N/A 15.203 Antenna Requirement Pass 15.249 Radiated Spurious Emission Pass 15.249 Radiated Band Edge Emission Pass 15.249 Field Strength of fundamental Pass 15.215(c) 20dB Bandwidth Pass NOTE: (1) ‘N/A’ denotes test is not applicable in this Test Report. (2) All tests are according to ANSI C63.10-2013. Page 6 of 35 Report No.: STS2211101W01 1.1 TEST FACTORY SHENZHEN STS TEST SERVICES CO., LTD Add. : A 1/F, Building B, Zhuoke Science Park, No.190 Chongqing Road, HepingShequ, Fuyong Sub-District, Bao’an District, Shenzhen, Guang Dong, China FCC test Firm Registration Number: 625569 IC test Firm Registration Number: 12108A A2LA Certificate No.: 4338.01 1.2 MEASUREMENT UNCERTAINTY The reported uncertainty of measurement y ± U, where expended uncertainty U is based on a standard uncertainty multiplied by a coverage factor of k=2, providing a level of confidence of approximately 95 %. No. Item Uncertainty 1 RF output power, conducted ±0.87dB 2 Unwanted Emissions, conducted ±2.895dB 3 All emissions, radiated 9K-30MHz ±3.80dB 4 All emissions, radiated 30M-1GHz ±4.09dB 5 All emissions, radiated 1G-6GHz ±4.92dB 6 All emissions, radiated>6G ±5.49dB 7 Conducted Emission (9KHz-30MHz) ±2.73dB Page 7 of 35 Report No.: STS2211101W01 2. GENERAL INFORMATION 2.1 GENERAL DESCRIPTION OF THE EUT Product Name Buzzer clicker galaxy audience response system Brand EnjoyTech, Trebisky Model Number 206 Series Model(s) 106, 306, 406, 506, 237, 337, 437, 215, 205, 303, 305, 307 Model Difference Product models are named differently Product Description The EUT is a Buzzer clicker galaxy audience response system Operation Frequency: 2404~2480MHz Modulation Type: FSK Antenna Designation: Monopole Antenna Gain(Peak): 0dBi Based on the application, features, or specification exhibited in User Manual, the EUT is considered as an ITE/Computing Device. More details of EUT technical specification, please refer to the User Manual. Channel List Please refer to the Note 3. Rating Input: DC3V(2*AA Batteries) Hardware version number N/A Software version number N/A Connecting I/O Port(s) Please refer to the Note 1. Note: 1. For a more detailed features description, please refer to the manufacturer’s specifications or the User Manual. 2. The antenna information refer the manufacturer provide report, applicable only to the tested sample identified in the rep…

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Provided by Eurofins Product Service GmbH v.0. 2 ENJOY TECHNOLOGY CO., LIMITED Declaration concerning Antenna Specification It is hereby declared that the product Model No.: 206 FCC ID: RJM206205306237 fulfills the requirement in FCC test relating to the antenna type. The device specified above confirms to the FCC recommendations for internal antenna type described below: Model No. of antenna: 206 Type of antenna: Monopole Peak Gain of the antenna: 0 dBi Frequency range: 2402-2480 MHz The mounting of the antenna is fixed to the radio module and no other antenna should be used. Company name: Shenzhen STS Test Services Co., Ltd. Address: 1/F., Building B, Zhuoke Science Park, No.190, Chongqing Road, Fuyong Street, Bao’an District, City: Shenzhen ZIP / Postal code:n/a Country: China Place: Manager Date: 2022/12/5 Signature:

Antenna Specification Model:206 Conductor Material is qualitative Silica gel wire unit Copper material specification 7/0.15 mm Thickness of covered section 0.49±0.05 mm² resistance 140 (Ω/km) insulation Material of insulation silicone mm Standard thickness 0.5 mm Wire diameter 1.49±0.10 mm Performance Requirements 1、 Rated temperature ：-60°C to 150°C 2、 Rated voltage ：3000V 3、 length is 33mm 4、 Silica gel insulation 5、 Antenna Gain: 0dBi packaging color white single Quantity of wire 500pcs 1 packaging Customer Requirements Customer Requirements ENJOYTECH

Page 1 of 1 FCC ID: RJM206205306237 DXX Setup Photo Model Number: 206 DXX radiation L DXX radiation H