2BBPLWLAGHUMSPL4-in-1 GRAVITY-DEFYING HUMIDIFIER SPEAKER

Section Company n Address:13 Product Na FCC ID: 2B Model(s): W 2.911(d)(5 ) We, [TRU S is sought th  Pro  Ide n Yours sinc e Name: Ma r Title: CEO Company n Signature: NOTE 1 “Covered List https://www.f c References; 1) 986446 D 0 https://apps.fc 2) Federal R e https://www.fe munications-s 2.911(d) name: TRUS 370 Broadw ame:4-in-1 G BBPLWLAG WL-AGHUM )(i) Equipm STSTONE G hrough certi hibited from ntified as an erely, rc Faham name: TRUS ”; is the List o cc.gov/supplyc 01 Covered Eq cc.gov/oetcf/kd egister docume ederalregister. supply-chain-t TR )(5)(i) Ce STSTONE way 9th floor GRAVITY-D GHUMSPL MSPL-WHT mentType GROUP, LLC ification is n m receiving n equipmen STSTONE of Equipment a chain/covered quipment v01 db/forms/FTS ent 2022-2826 gov/documen hrough-the RUSTSTO ertificatio GROUP, LL r New York, DEFYING H C] (“the app not: an equipm e nt type in the GROUP, L L and Services C list SearchResul t 63 published o nts/2023/02/06 ONE GR on – Equi LC New York UMIDIFIE R plicant”) cert ent authoriz e “Covered LC Covered By S tPage.cfm?sw on 02/06/23 6/2022-28263/ ROUP, L 2. ipmentTy 10018 Unite R SPEAKER tify that the zation pursu List” NOTE 1 Date: Nov. ection 2 of Th witch=P&id=32 /protecting-ag LLC 911 (d)(5)(i) Eq ype ed States R equipment uant to § 2.9 . 27, 2024 e Secure Netw 5672 ainst-national - quipment Type A for which a 903; of the F works Act, ava -security-threa Attestation v1.2 authorization FCC rules. ailable at ats-to-the-com 2 n m

Section Company n Address:13 Product Na FCC ID: 2B Model(s): W 2.911(d)(5 ) We, [TRUS application §1.50002 o Yours sinc e Name: Ma r Title: CEO Company n Signature: NOTE 1 Delete option NOTE 2 “Covered List https://www.f c References; 1) 986446 D 0 https://apps.fc 2) Federal R e https://www.fe munications-s 2.911(d) name: TRUS 370 Broadw ame:4-in-1 G BBPLWLAG WL-AGHUM )(ii) Applica STSTONE G , the applica of this chapt erely, rc Faham name: TRUS not applicable ”; is the List o cc.gov/supplyc 01 Covered Eq cc.gov/oetcf/kd egister docume ederalregister. supply-chain-t TR )(5)(ii) Ce STSTONE way 9th floor GRAVITY-D GHUMSPL MSPL-WHT ant filing GROUP, LLC ant is not id ter,as an en STSTONE e to this applic of Equipment a chain/covered quipment v01 db/forms/FTS ent 2022-2826 gov/documen hrough-the RUSTSTO ertificatio GROUP, LL r New York, DEFYING H C] (“the app dentified NO ntity produci GROUP, L L cation. and Services C list SearchResul t 63 published o nts/2023/02/06 ONE GR on – App LC New York UMIDIFIE R plicant”) cer TE 1 on the “C ing covered LC Covered By S tPage.cfm?sw on 02/06/23 6/2022-28263/ ROUP, L plicant (C 10018 Unite R SPEAKER rtify that, as Covered Lis dcommunica Date: Nov. ection 2 of Th witch=P&id=32 /protecting-ag LLC 2.911 (d)(5 Covered L ed States R s of the date st” NOTE 2 ,esta ations equip . 27, 2024 e Secure Netw 5672 ainst-national- 5)(ii) Applicant A List ) e of the filing ablished pu pment. works Act, ava -security-threa Attestation v1.3 g of the ursuant to ailable at ats-to-the-com 3 m

TRUSTSTONE GROUP, LLC 2.911 (d)(7)USA Agentv1.3 Section 2.911(d)(7) USA Agent for Service of Process Company name: TRUSTSTONE GROUP, LLC Address:1370 Broadway 9th floor New York, New York 10018 United States Product Name:4-in-1 GRAVITY-DEFYING HUMIDIFIER SPEAKER FCC ID: 2BBPLWLAGHUMSPL Model(s): WL-AGHUMSPL-WHT 2.911(d)(7) USA Designated Agent for Service of Process We, [TRUSTSTONE GROUP, LLC] (“the applicant”) designate [TRUSTSTONE GROUP, LLC] NOTE1 for the purpose of accepting service of process on behalf of the applicant. Applicant consent:We Acknowledgeour consent to accept service of process in the United States for matters related to the applicable equipment, and at the physical U.S. address and email address of the designated agent and acknowledgeour acceptance of our obligation to maintain an agent for service of process in the United States for no less than one year after either the grantee has permanently terminated all marketing and importation of the applicable equipment within the U.S., or the conclusion of any Commission-related administrative or judicial proceeding involving the equipment, whichever is later. Agent obligation:We Acknowledgeourobligation to accept service of process in the United States for matters related to the applicable equipment at our physical U.S. address and email addressfor no less than one year after either the grantee has permanently terminated all marketing and importation of the applicable equipment within the U.S., or the conclusion of any Commission-related administrative or judicial proceeding involving the equipment, whichever is later. US A Com LLC Add Yor FC C 003 Con Tele Ema Sig n Titl e Dat NO T of pr Refe https al-se A Agent mpany nam C dress: 1370 k, New Yor C Registrati 33900465 ntact Name ephone No: ail: Complia nature: e: CEO e:Nov. 27, 2 TE 1: An app rocess. erence;Federa s://www.fede ecurity-threa TR e: TRUSTS Broadway k 10018 U n ion Number : Marc Faha 917533533 ance@trusts 2024 plicant locate al Register doc eralregister.g ats-to-the-com RUSTSTO STONE GRO 9th floor Ne nited States r (FRN): am 33 stonegroup d in the Unite cument 2022-2 gov/documen mmunication ONE GR OUP, ew s p.com A C LL A Y F C 00 FC C Te E S T D ed States ma 28263 publish nts/2023/02/0 s-supply-cha ROUP, L pplicant Company na LC ddress: 13 7 ork, New Y CC Registra 033900465 CC Grantee Contact Nam elephone N mail: Comp ignature: itle: CEO ate: Nov. ay designate hed on 02/06/2 06/2022-282 ain-through-t LLC 2.911 ame: TRUST 70 Broadwa ork 10018 U ation Numb e Code: 2B me: Marc F No: 91753 pliance@tru 27, 2024 e itself as the 23 263/protecting the (d)(7)USA Agen TSTONE G ay 9th floor United State ber (FRN): BBPL Faham 35333 uststonegrou agent for se g-against-na ntv1.3 GROUP, New es up.com rvice ation

Co m Ad d Pr o Mo d Pr o We act We an d issu our Sig Na m Title Com mpany: TR dress: 1370 oduct Name del Numbe oduct Desc authorize M on our beha declare tha d certificatio ues concern behalf shal nature: me: e: mpany: RUSTSTONE 0 Broadway e:4-in-1 GR er(s):WL-AG ription: 4-in MiCOM Lab alf on all ma at MiCOM L n of equipm ning the app ll have the s Marc Fah a CEO TRUSTST TRUS Agen E GROUP, y 9th floor N RAVITY-DEF GHUMSPL- n-1 GRAVIT bs Inc., 575 atters conce Labs Inc. is ment to the r proval applic same effect am TONE GRO STSTONE nt Auth LLC New York, N FYING HUM WHT TY-DEFYIN Boulder C o erning the c allowed to f regulatory a cation. Any t as acts of UP, LLC GROUP, L horizat ew York 10 MIDIFIER S G HUMIDI F ourt, Pleasa certification forward all i agencies as and all acts our own. LLC tion 0018 United PEAKER FIER SPEA anton, Califo of above na information s required a s carried ou Date: States AKER ornia 94566 amed equip related to t nd to discu ut by MiCOM Nov. 27, 20 6, USA, to pment. the approva ss any M Labs on 024 al

Office o Federa 7435 O Columb USA Subjec t FCC ID To Wh o Pursua are req u docume These d propriet might b In addi t in Title busine s authoriz For 4 O For 1 It is ou r corresp docume authoriz Sincer e Signatu Name: Title: C of Engineeri l Communic Oakland Mills bia, MD 210 t; Request f D: 2BBPLWL om It May C nt to the pro uesting the ents from pu documents tary informa be harmful to Schemat Block Di Parts Lis Operatio tional to abo 47 CFR §2 ss sensitive zed devices External Test Set Internal P User Ma 45 days, pu OR 180 days pu r understand pondence du ents and thi zation is iss ely, ure: Marc Faha m EO TR ing Techno cations Com s Road 046 for Confiden LAGHUMSP Concern, ovisions of t Commissio ublic disclos contain det ation in ope o our comp tic Diagram agram st onal Descrip ove mention .803 and th informatio n s, we reque Photos tup Photos Photos anual rsuant to P u ursuantto KD ding that all uring the ce s informatio sued. m RUSTST logy mmission ntiality PL the Commis on to withho sure indefin tailed syste ration of th e any and wo m ption ned docume e importatio n remains c st Short Te ublic Notice DB 726920 l measurem ertification re on will be av TONE G ssion’s rule old the follow nitely. m and equi e equipmen ould give co ents, in orde on rules in T confidential rm Confide e DA 04-170 0 D01. ment test rep eview proce vailable for GROUP, s Title 47 S wing attach pment desc nt. The publ ompetitors a er to comply Title 47 CFR until the act ntiality of th 05. ports, FCC ess cannot public revi e LLC Sections §0. hment(s) as criptions an ic disclosu r an unfair ad y with the m R §2.1204, tual market he following ID label for be granted ew once the Date: Nov. 457 and §0 confidentia d are consi re of these d vantage in marketing re while ensu ting of newly attachmen mat and as confide n e grant of eq 27, 2024 0.459, we al dered as documents the market . egulations ring that y t(s); ntial quipment .

FCC ID LABEL: Ca. 10mm x 20mm Label Location FCC ID: 2BBPLWLAGHUMSPL

MPE ESTIMATION FCC ID: 2BBPLWLAGHUMSPL 1, Limit for General Population/ Uncontrolled Exposures Frequency Power density (mW/ cm 2 ) Averaging time(minutes) 300MHz----1.5GHz F/1500 30 1.5GHz---100GHz 1.0 30 2, Estimation Result For BT: Mode Max PK Output power(dBm) Tune Up Power(dBm) Max Tune Up power(mW) Antenna Gain(dBi) Antenna Gain (linear) MPE (mW/cm²) 2441 -2.08 -2±1(-1) 0.79 -0.58 0.87 0.00014 Note: Note: The estimation distance is 20cm Note: PK Output power= conducted power. Conducted power see the test report HK2411156815-E, antenna gain=-0.58dBi when the minimum test separation distance is >20 cm, a distance of 20 cm is applied to determine RF Exposure test exclusion. The test exclusion threshold is 0.00014 which is< 1.0, RF Exposure testing is not required. -------The End-------

Inverted F Antenna Specification Summary ITEM ANT SPEC Model Name 2.4G ANT Horizontal Vertical 2400MHz 2400MHz2500MHz2400MHz2400MHz 2500MHz Center Frequency -1.26 -0.76 -0.58 -5.25 -2.46 -1.86 MAX. Gain -0.58dB Polarization Horizontal and Vertical Azimuth Beam Pattern Omni-directional Impedance 50 Ohm Antenna Length 38.20mm Manufacture ZHUHAI JIELI TECHNOLOGY CO.,LTD Antenna Photo & Length (mm) Horizontal: 2400 MHz 2450 MHz 2500 MHz Power (dBm) Max: 0 Min: -40 Scale: 5/div Gain(dB) Frequency (MHz) Max Min Avg 2400 -1.26174 -30.0801 -7.18716 2450 -0.765802 -36.5604 -7.48023 2500 -0.585582 -22.0315 -6.59127 Vertical: 2400 MHz 2450 MHz 2500 MHz Power (dBm) Max: 0 Min: -30 Scale: 5/div Gain(dB) Frequency (MHz) Max Min Avg 2400 -5.2537 -22.1424 -12.4294 2450 -2.4652 -24.5837 -10.4702 2500 -1.86120 -29.5214 -9.20432 ANT Test Labs：Attestation of Global Compliance Co., Ltd.

Page 1 of 48 Report No.: HK2411156815-E FCC Test Report Test report On Behalf of TRUSTSTONE GROUP, LLC For 4-in-1 GRAVITY-DEFYING HUMIDIFIER SPEAKER Model No.: WL-AGHUMSPL-WHT FCC ID: 2BBPLWLAGHUMSPL Prepared For : TRUSTSTONE GROUP, LLC 1370 Broadway 9th floor New York, New York 10018 United States Prepared By : Shenzhen HUAK Testing Technology Co., Ltd. 1-2/F., Building B2, Junfeng Zhongcheng Zhizao Innovation Park, Heping, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Date of Test: Nov. 15, 2024 ~ Nov. 22, 2024 Date of Report: Nov. 22, 2024 Report Number: HK2411156815-E Page 2 of 48 Report No.: HK2411156815-E Test Result Certification Applicant’s name ....... TRUSTSTONE GROUP, LLC Address ....................... . 1370 Broadway 9th floor New York, New York 10018 United States Manufacturer's Name .......................... . TRUSTSTONE GROUP, LLC Address ....................... . 1370 Broadway 9th floor New York, New York 10018 United States Product description Trade Mark: WONDERLIT Product name ................ 4-in-1 GRAVITY-DEFYING HUMIDIFIER SPEAKER Model and/or type reference ................... . WL-AGHUMSPL-WHT Standards ................... . 47 CFR FCC Part 15 Subpart C 15.247 This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen HUAK Testing Technology Co., Ltd. is acknowledged as copyright owner and source of the material. Shenzhen HUAK 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. Date of Test ................................. . Date (s) of performance of tests ... . Nov. 15, 2024 ~ Nov. 22, 2024 Date of Issue ................................. Nov. 22, 2024 Test Result ..................................... Pass Testing Engineer : (Len Liao) Technical Manager : (Sliver Wan) Authorized Signatory : (Jason Zhou) Page 3 of 48 Report No.: HK2411156815-E Table of Contents Page 1. Summary ........................................................................................................................................................ 5 1.1. Test Standards ......................................................................................................................................... 5 1.2. Test Description ....................................................................................................................................... 5 1.3. Information of the Test Laboratory ........................................................................................................... 6 1.4. Statement of the Measurement Uncertainty ............................................................................................ 6 2. General Information ....................................................................................................................................... 7 2.1. Environmental Conditions ........................................................................................................................ 7 2.2. General Description of EUT ..................................................................................................................... 7 2.3. Description of Test Modes and Test Frequency ....................................................................................... 8 2.4. Equipments Used During the Test ........................................................................................................... 9 2.5. Related Submittal(S) / Grant (S) ............................................................................................................ 10 2.6. Modifications .......................................................................................................................................... 10 2.7. Description of Test Setup ....................................................................................................................... 10 2.8. Description of Support Units .................................................................................................................. 11 3. Test Conditions and Results ...................................................................................................................... 12 3.1. Conducted Emissions Test .................................................................................................................... 12 3.2. Radiated Emissions and Band Edge ..................................................................................................... 15 3.3. Maximum Peak Conducted Output Power ............................................................................................ 26 3.4. 20db Bandwidth ..................................................................................................................................... 27 3.5. Frequency Separation ........................................................................................................................... 30 3.6. Number of Hopping Frequency ............................................................................................................. 32 3.7. Time of Occupancy (Dwell Time) ........................................................................................................... 34 3.8. Out-of-Band Emissions .......................................................................................................................... 37 3.9. Pseudorandom Frequency Hopping Sequence .................................................................................... 44 3.10. Antenna Requirement ............................................................................................................................ 45 4. Test Setup Photos of the EUT .................................................................................................................... 46 5. Photos of the EUT ...................…

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