2AXK9-WY-018Universal Bluetooth KB for Tablet

FCC Statement Changes or modifications心t e,p飞sslyapproved by the party responsible for compliance could void the user's outho,lty to operate the equ, f menl This equipment hos been tested and aund to comply with the Limits foe a Closs B digital device, pursuont to伈rt15 of the FCC Rules. These limits are designed to provide reo沁noblepmtectlon ag o inst harmful Int旷eoenceIn a residential installation. Thos equipment generates uses and can 如,ale,adio frequency eneogy ond, If not installed and used in occo,donce woth the Instructions may cause harmful lnterterence ta心locammunicatians. Ho, 定沦r,there Is na R uarantee that lnte,ference will nat occu, in a paotlcular lnstallatian. If this equ,pment does cause armful interfe,ence to心dioor tel的slon,eceptian, which can be determ,ned by turning the 守pmentaff and an, the user os encaur。如ta try ta carrect the Interference by ane o, mooe of the f lowing meosu,es -- Reo,ient or闵ocotethe receiving antenna lncoeose the separation between the equipment and ,eceive, -- Connect the equipment into an outlet an a rncuil diff可entf,am that ta which the ,eceiver is connected. -- Consult the dealer a, an e,pe「iencedradio/TV technician fa, help This device complies with port 15 afthe FCC rules Operation is sub丿ectto the following two cand巾ans 叩hisd的cemay not cause harmful Interference, and � this device must accept any interteoence ,ecei归d,,nctuding inte计eoencethat may cause undesir operntian Unive rsal Bluetooth KB for Tablet Model: WY-018 QUICK GUIDE/ GUIA RAPIDA

Shenzhen weiyucheng Technology Co., Ltd Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Date: Subject; Request for Long Term Confidentiality FCC ID: 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 Parts List Operational Description Tune-up Procedure 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: General Manager Title: Shaoguo Li 2021-04-25 2AXK9-WY-018

Shenzhen weiyucheng Technology Co., Ltd Agent Authorization Company: Shenzhen weiyucheng Technology Co., Ltd Address: 201, building C, building B, C, D, Dingfeng hi tech park, shapuwei community, Songgang street, Bao'an District, Shenzhen, China Product Name: Model Number(s): Product Description: 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: Name: Shaoguo Li Title: General Manager Company: Shenzhen weiyucheng Technology Co., Ltd WY-018 2021-04-25 Universal Bluetooth KB for Tablet Universal Bluetooth KB for Tablet

Page 1 of 3 Appendix B: Photographs of EUT Product: Universal Bluetooth KB for Tablet Model: WY-018 External Photos Page 2 of 3 Page 3 of 3

Label Artwork and Location Model: WY-018 Label: Size: L*W=70*44mm Location Universal Bluetooth KB for Tablet Model: WY-018 FCC ID: 2AXK9-WY-018

Page 1 of 3 Appendix B: Photographs of EUT Product: Universal Bluetooth KB for Tablet Model: WY-018 Internal Photos Antenna Page 2 of 3 Page 3 of 3

RF exposure evaluation §2.1093 Radiofrequency radiation exposure evaluation: Portable Devices. According to§15.247(i) and§1.1307b(1), systems operating under the provisions of this section shall be operated in a manner that ensures that the public is not exposed to radio frequency energy level in excess of the commission’s guidance. The 1-g SAR test exclusion thresholds for 100 MHz to 6 GHz at test separation distances ≤ 50 mm are determined by: [(max. power of channel, including tune-up tolerance, mW) / (min. test separation distance, mm)] · [√f(GHz)] ≤ 3.0 for 1-g SAR, where  f(GHz) is the RF channel transmit frequency in GHz  Power and distance are rounded to the nearest mW and mm before calculation  When the minimum test separation distance is < 5 mm, a distance of 5 mm according is applied to determine SAR test exclusion.  The result is rounded to one decimal place for comparison For BLE: Channel Frequency (GHz) Max. Power (dBm) Tune up Power (dBm) Max. Tune up Power (dBm) Max. Tune up Power (mW) Test distance (mm) Result exclusion thresholds for 1-g SAR CH 00 2.402 2.21 2±1 3.0 2.00 5 0.62 3.0 Result: Base on the calculation value, No SAR measurement is required.

Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com TEST REPORT FCC ID: 2AXK9-WY-018 Product: Universal Bluetooth KB for Tablet Model No.: WY-018 Additional Model No.: N/A Trade Mark: N/A Report No.: TCT210421E905 Issued Date: Apr. 26, 2021 Issued for: Shenzhen weiyucheng Technology Co., Ltd 201, building C, building B, C, D, Dingfeng hi tech park, shapuwei community, Songgang street, Bao'an District, Shenzhen, China Issued By: Shenzhen Tongce Testing Lab TCT Testing Industrial Park, Fuqiao 5th Industrial Zone, Fuhai Street, Bao'an District, Shenzhen, Guangdong, 518103, People's Republic of China TEL: +86-755-27673339 FAX: +86-755-27673332 This test report was based on TCT200909E901; Only change product model No. Note: This report shall not be reproduced except in full, without the written approval of Shenzhen Tongce Testing Lab. This document may be altered or revised by Shenzhen Tongce Testing Lab personnel only, and shall be noted in the revision section of the document. The test results in the report only apply to the tested sample. Report No.: TCT210421E905 Page 2 of 43 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com TABLE OF CONTENTS 1. Test Certification ..................................................................................... 3 2. Test Result Summary .............................................................................. 4 3. EUT Description ....................................................................................... 5 4. General Information ................................................................................. 6 4.1. Test environment and mode ................................................................................. 6 4.2. Description of Support Units ................................................................................ 6 5. Facilities and Accreditations .................................................................. 7 5.1. Facilities ................................................................................................................. 7 5.2. Location ................................................................................................................. 7 5.3. Measurement Uncertainty ..................................................................................... 7 6. Test Results and Measurement Data ..................................................... 8 6.1. Antenna requirement ............................................................................................ 8 6.2. Conducted Emission ............................................................................................. 9 6.3. Conducted Output Power ................................................................................... 13 6.4. Emission Bandwidth ........................................................................................... 16 6.5. Power Spectral Density ....................................................................................... 19 6.6. Conducted Band Edge and Spurious Emission Measurement ....................... 22 6.7. Radiated Spurious Emission Measurement ...................................................... 25 Appendix A: Photographs of Test Setup Appendix B: Photographs of EUT Report No.: TCT210421E905 Page 3 of 43 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com 1. Test Certification Product: Universal Bluetooth KB for Tablet Model No.: WY-018 Additional Model No.: N/A Trade Mark: N/A Applicant: Shenzhen weiyucheng Technology Co., Ltd Address: 201, building C, building B, C, D, Dingfeng hi tech park, shapuwei community, Songgang street, Bao'an District, Shenzhen, China Manufacturer: Shenzhen weiyucheng Technology Co., Ltd Address: 201, building C, building B, C, D, Dingfeng hi tech park, shapuwei community, Songgang street, Bao'an District, Shenzhen, China Date of Test: Sep. 10, 2020 – Sep. 17, 2020 Applicable Standards: FCC CFR Title 47 Part 15 Subpart C Section 15.247 FCC KDB 558074 D01 15.247 Meas Guidance v05r02 ANSI C63.10:2013 The above equipment has been tested by Shenzhen Tongce Testing Lab and found compliance with the requirements set forth in the technical standards mentioned above. The results of testing in this report apply only to the product/system, which was tested. Other similar equipment will not necessarily produce the same results due to production tolerance and measurement uncertainties. Tested By: Date: Sep. 17, 2020 Aaron Mo Reviewed By: Date: Apr. 26, 2021 Beryl Zhao Approved By: Date: Apr. 26, 2021 Tomsin Report No.: TCT210421E905 Page 4 of 43 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com 2. Test Result Summary Requirement CFR 47 Section Result Antenna requirement §15.203/§15.247 (c) PASS AC Power Line Conducted Emission §15.207 PASS Conducted Peak Output Power §15.247 (b)(3) PASS 6dB Emission Bandwidth §15.247 (a)(2) PASS Power Spectral Density §15.247 (e) PASS Band Edge §15.247(d) PASS Spurious Emission §15.205/§15.209 PASS Note: 1. PASS: Test item meets the requirement. 2. Fail: Test item does not meet the requirement. 3. N/A: Test case does not apply to the test object. 4. The test result judgment is decided by the limit of test standard. 5. After pre-testing the two earphones, the two earphones are left and right ears respectively; we found that the left earphone is the worst case, so the results are recorded in this report. Report No.: TCT210421E905 Page 5 of 43 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com 3. EUT Description Product: Universal Bluetooth KB for Tablet Model No.: WY-018 Additional Model No.: N/A Trade Mark: N/A Bluetooth Version: V4.2 Operation Frequency: 2402MHz~2480MHz Channel Separation: 2MHz Number of Channel: 40 Modulation Type: GFSK Antenna Type: PCB Antenna Antenna Gain: 5dBi Power Supply: Rechargeable Li-ion Battery DC 3.7V Note: The …

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Page 1 of 2 Appendix A: Photographs of Test Setup Product: Universal Bluetooth KB for Tablet Model: WY-018 Radiated Emission Page 2 of 2 Conducted Emission