2A3DS-AT370Aroma Diffuser

5V





1A 01

Specification A-T370 Model 60mlBottle 132*154*88.5mm Size 4W Power 50m²/150m³/1766ft³ Coverage 580g N.W. Input BottleManualPower
adapter PP materials Model：A-T370 Product
Introduction Power
button Gear
position
marking Bluetooth
identifier One-click spray Timer
key Ambient
light switch Timed
identification ①②③ 1.Pull
out
the
atomizer
head
upwards. 2.
Unscrew
the
essential
oil
bottle; 3.
After
injecting
an
appropriate
amount
of
essential
oil
into
the
bottle,
screw
the
atomizer
back
onto
the
essential
oil
bottle. 4.
Align
the
silicone
stopper
of
the
bottle
and
the
atomizing
head
with
the
machine's
clamping
position
and
press
it
down. 5.
Connect
the
power
supply
and
plug
in
the
data
cable. 6.
Press
and
hold
the
power
button
for
3
seconds
to
turn
on
the
device,
and
it
can
be
used
normally. ④⑤ ⑥ *
Press
and
hold
the
power
button
for
8
seconds
to
restore
the
factory
Settings. Scent
Home 2.
Log
in
and
add
the
device
(please
ensure
the
machine
is
powered
on)
: Smart
App
Instructions Where
to
get
the
app: 1.Download
the
APP 1.
Turn
on
the
Bluetooth
of
your
mobile
phone 2.
Enter
the
app,
register
and
log
in. ②
Select
the
model
of
the
machine
to
be
connected. 添加设备 ③
Select
the
corresponding
machine
ID,
enter
the
initial
password
"8888",
and
click
"Confirm". ①
Click
the
"+"
button
at
the
top
right
corner. ④
Do
not
exit.
Wait
for
the
loading
to
complete. ⑤
Click
"Complete"
to
enter
the
operation
page. Add
device Enter
the
device
name Enter
the
device
name Add
device Add
device Please
keep
your
mobile
phone
close
to
the
device Please
wait
for
the
device
to
connect Congratulations! Your
device
is
connected.
Enjoy
using
it! Your
device
is
connected.
Enjoy
using
it! Done CancelConfirm Password WARNING 7s 10s 15s 70s 70s 60s 0.09 0.13 0.2 G1 G3 G2 20s60s0.25 G4 APP
Control
Tutorial On/Off Ambient
light
switch Equipment
Settings Click
the
sliding
switch
to
start
or
stop
the
preset
tasks Preview
of
Preset
tasks The
sliding
node
can
change
the
mode
to
24-hour
mode
and
adjust
the
gear The
machine
connection
password
can
be
modified
in
the
device
Settings Customize
working
hours Change
password 5-25s50-300s CancelConfirm Change
password On/Off 24-hour
gear Gear
level SettingsDuration Timing Run
for
10
seconds
and
pause
for
70
seconds One-click
quick
aroma
diffusionCustom
gear Gear
1 Gear
1 Intelligent
scene
mode Add
scheduled
tasks+ Equipment
Settings Device
name MAC
address Firmware Change
password Room Equipment
Settings Device
name MAC
address Firmware C R factory
data
reset factory
data
reset

Rev1/26/2023 GuangdongChiyangScentTechnologyCo.,Ltd. FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:11-25-2025 Ref:AttestationStatementsPart2.911(d)(5)(i)Filing FCCID:2A3DS-AT370 GuangdongChiyangScentTechnologyCo.,Ltd.(“theapplicant”)certifiesthattheequipmentforwhich authorizationissoughtisnot“covered”equipmentprohibitedfromreceivinganequipment authorizationpursuanttosection2.903oftheFCCrules. GuangdongChiyangScentTechnologyCo.,Ltd.(“theapplicant”)certifiesthattheequipmentforwhich authorizationissoughtdoesnotincludecybersecurityoranti-virussoftwareproducedorprovidedby KasperskyLab,Inc.oranyofitssuccessorsandassignees,includingequipmentwithintegratedKaspersky Lab,Inc.(oranyofitssuccessorsandassignees)cybersecurityoranti-virussoftwarepursuanttoDA-24- 886andKDB986446D01CoveredEquipmentGuidancesectionB(2a). Deviceisinherentlycompliantbasedonhardwarelimitationsorsoftwarecontrols. or ASoftwareBillofMaterials(SBOM)isprovidedtotheTCBforreview,and Theend-userorthirdpartiescannotinstalladditionalsoftwareonthisdevice. Sincerely, (Applicantsignature) ShawnWu Rev1/26/2023 GuangdongChiyangScentTechnologyCo.,Ltd. FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:11-25-2025 Ref:AttestationStatementsPart2.911(d)(5)(ii)Filing FCCID:2A3DS-AT370 GuangdongChiyangScentTechnologyCo.,Ltd.(“theapplicant”)certifiesthat,asofthedateofthefiling oftheapplication,theapplicantisnotidentifiedontheCoveredList(asaspecificallynamedentityor anyofitssubsidiariesoraffiliates)asanentityproducing“covered”equipment. Sincerely, (Applicantsignature)

Rev1/26/2023 GuangdongChiyangScentTechnologyCo.,Ltd. FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:November25,2025 Ref:AttestationStatementsPart2.911(d)(7)Filing FCCIDorGranteeCode:2A3DS-AT370 ApplicantFRN:0031499742 GuangdongChiyangScentTechnologyCo.,Ltd.(“theapplicant”)certifiesthat,asofthedateofthefiling oftheapplication,FCCUSAgent,LLCisourdesignatedU.S.agentforserviceofprocessfortheabove referencedFCCID.GuangdongChiyangScentTechnologyCo.,Ltd.acceptstomaintainanagentforno lessthanoneyearafterthegranteehasterminatedallmarketingandimportationortheconclusionof anyCommission-relatedproceedinginvolvingtheequipment. FCCUSAgent,LLCaccepts,asofthedateofthefilingoftheapplication,theobligationofthedesignated U.S.agentforserviceofprocessfortheabovereferencedFCCID. DesignatedU.S.AgentInformation: Name:FCCUSAgent,LLC U.S.AgentFRN:0033402884 Address:3722IllinoisAvenue,SaintCharles,IL,60174,USA ContactPerson:TimPayne Tel.:708-571-3148 Email:[email protected] Sincerely, GuangdongChiyangScentTechnologyCo.,Ltd.FCCUSAgent,LLC ShawnWuTimPayne [InsertApplicantsignature][U.S.Agentsignature]

GuangdongChiyangScentTechnologyCo.,Ltd. Date:November25,2025 FederalCommunicationsCommission AuthorizationandEvaluationDivision ConfidentialityRequestregardingapplicationforcertificationofFCCID:2A3DS-AT370 PursuanttoSections0.457and0.459oftheCommission’sRules,weherebyrequestconfidential treatmentofinformationaccompanyingthisapplicationasoutlinedbelow: ExhibitTypeFileName Schematics BlockDiagram OperationalDescription Schematic.pdf BlockDiagram.pdf OperationalDescription.pdf Theabovematerialscontaintradesecretsandproprietaryinformationnotcustomarilyreleasedto thepublic.Thepublicdisclosureofthesematerialsmaybeharmfultotheapplicantandprovide unjustifiedbenefitstoitscompetitors. TheapplicantunderstandsthatpursuanttoSection0.457oftheRules,disclosureofthis applicationandallaccompanyingdocumentationwillnotbemadebeforethedateoftheGrant forthisapplication. Sincerely, GuangdongChiyangScentTechnologyCo.,Ltd. Signature ShawnWu/ProductManager TypednameandTitle

GuangdongChiyangScentTechnologyCo.,Ltd. FCCID:2A3DS-AT370 POWEROFATTORNEY Date:November24,2025 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 ToWhomItMayConcern: We,theundersigned,herebyauthorizeWaltekTestingGroup(Foshan)Co.,Ltd.(DaraZhou)onourbehalf, toapplytotheFederalCommunicationsCommissiononourequipment.Anyandallactscarriedoutby WaltekTestingGroup(Foshan)Co.,Ltd.(DaraZhou)onourbehalfshallhavethesameeffectasactsofour own.ThisauthorizationexpiresonNovember24,2026. ThisistoadvisethatweareinfullcompliancewiththeAnti-DrugAbuseAct.We,GuangdongChiyang ScentTechnologyCo.,Ltd.arenotsubjecttoadenialoffederalbenefitspursuanttoSection5301ofthe Anti-DrugActof1988,21USC853a,andnopartytotheapplicationissubjecttoadenialoffederalbenefits pursuanttothatsection. Sincerely, GuangdongChiyangScentTechnologyCo.,Ltd. Signature ShawnWu/ProductManager TypednameandTitle

Waltek Testing Group (Foshan) Co., Ltd. http://www.waltek.com.cn Reference No.: WTF25F08227963W Page 1 of 4 Picture 1 Picture 2 Waltek Testing Group (Foshan) Co., Ltd. http://www.waltek.com.cn Reference No.: WTF25F08227963W Page 2 of 4 Picture 3 Picture 4 Waltek Testing Group (Foshan) Co., Ltd. http://www.waltek.com.cn Reference No.: WTF25F08227963W Page 3 of 4 Picture 5 Picture 6 Waltek Testing Group (Foshan) Co., Ltd. http://www.waltek.com.cn Reference No.: WTF25F08227963W Page 4 of 4 Picture 7

Product Label Statement Label 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. AROMA

DIFFUSER FCC
ID:
2A3DS-AT370



IC:32436-AT370

Waltek Testing Group (Foshan) Co., Ltd. http://www.waltek.com.cn Reference No.: WTF25F08227963W Page 1 of 7 Picture 1 Picture 2 Waltek Testing Group (Foshan) Co., Ltd. http://www.waltek.com.cn Reference No.: WTF25F08227963W Page 2 of 7 Picture 3 Picture 4 Waltek Testing Group (Foshan) Co., Ltd. http://www.waltek.com.cn Reference No.: WTF25F08227963W Page 3 of 7 Picture 5 Picture 6 Waltek Testing Group (Foshan) Co., Ltd. http://www.waltek.com.cn Reference No.: WTF25F08227963W Page 4 of 7 Picture 7 Picture 8 Waltek Testing Group (Foshan) Co., Ltd. http://www.waltek.com.cn Reference No.: WTF25F08227963W Page 5 of 7 Picture 9 Picture 10 Waltek Testing Group (Foshan) Co., Ltd. http://www.waltek.com.cn Reference No.: WTF25F08227963W Page 6 of 7 Picture 11 Picture 12 Waltek Testing Group (Foshan) Co., Ltd. http://www.waltek.com.cn Reference No.: WTF25F08227963W Page 7 of 7 Picture 13

Waltek Testing Group (Foshan) Co., Ltd. http://www.waltek.com.cn RF Exposure Requirements 1 General Information Client Information Applicant ....................................... : Guangdong Chiyang Scent Technology Co.,Ltd. Address of applicant ................... : 1-9F, Unit A, and 5-9F, Unit B, Building 10,CIMC Center, No.3 Chanxing Road, Xianchong Village, Chencun Town, Shunde District, Foshan City, Guangdong Province, China, 528313 Manufacturer ................................. : The same as above Address of manufacturer ............. : The same as above General Description of E.U.T FCC ID ............................................ : 2A3DS-AT370 Product Name ............................... : Aroma Diffuser Model No. ..................................... : A-T370 Model Description ........................ : --- Rating ............................................. : DC 5V, 4W Battery Capacity ........................... : --- Power Adapter .............................. : G006A0501000U: Input: 100-240V~, 50/60Hz, 0.3A; Output: DC 5.0V, 1.0A, 5.0W Technical Characteristics of EUT Bluetooth Version ......................... : Bluetooth LE Frequency Range ......................... : 2402-2480MHz RF Output Power .......................... : 7.153dBm (Conducted) Modulation .................................... : GFSK Data Rate ....................................... : 1Mbps Quantity of Channels ................... : 40 Channel Separation ...................... : 2MHz Type of Antenna ........................... : PCB Antenna Antenna Gain ................................ : 0dBi Waltek Testing Group (Foshan) Co., Ltd. http://www.waltek.com.cn 2 Applicable Standard According to §1.1307(b)(1) and KDB 447498 D01 General RF Exposure Guidance v06, system operating under the provisions of this section shall be operating in a manner that the public is not exposed to radio frequency energy level in excess limit for maximum permissible exposure. (a) Limits for Occupational / Controlled Exposure Frequency range (MHz) Electric Field Strength (E) (V/m) Magnetic Field Strength (H) (A/m) Power Density (S) (mW/cm 2 ) Averaging Times | E | 2 , | H | 2 or S (minutes) 0.3-3.0 614 1.63 (100)* 6 3.0-30 1842/f 4.89/f (900/f)* 6 30-300 61.4 0.163 1.0 6 300-1500 / / F/300 6 1500-100000 / / 5 6 (b) Limits for General Population / Uncontrolled Exposure Frequency range (MHz) Electric Field Strength (E) (V/m) Magnetic Field Strength (H) (A/m) Power Density (S) (mW/cm 2 ) Averaging Times | E | 2 , | H | 2 or S (minutes) 0.3-1.34 614 1.63 (100)* 30 1.34-30 824/f 2.19/f (180/f)* 30 30-300 27.5 0.073 0.2 30 300-1500 / / F/1500 30 1500-100000 / / 1 30 Note: f = frequency in MHz: * = Plane-wave equivalents power density 3 Calculation Method S = (30*P*G) / (377*R 2 ) S = power density (in appropriate units, e.g., mw/cm 2 ) P = power input to the antenna (in appropriate units, e.g., mw) G = power gain of the antenna in the direction of interest relative to an isotropic radiator, the power gain factor is normally numeric gain. R = distance to the center of radiation of the antenna (in appropriate units, e.g., cm), R=20cm. 4 MPE Calculation Result Frequency (MHz) Antenna Gain (dBi) Numeric gain Conducted Power (dBm) Maximum Tune-up output power PD (mW/cm2) Limit (mW/cm2) (dBm) (mW) 2402-2480 0 1.00 7.153 8.00 6.31 0.00126 1.0 Result: Pass ======End of Report======

SPECIFICATION FOR APPROVAL CUST OMER: Granwin IoT Technology (Guangzhou) Co.,Ltd CUS PART NO: PB-03F PART NAME: Edition: 2.4G BLE Antenna 1.0 Editor Jacky Huang 2024/12/13 Verifier Feng Li 2024/12/13 Approver Steven Xu 2024/12/13 Granwin IoT Technology (Guangzhou) Co.,Ltd Address: Room 801, Building C, Runhui Science and Technology Park, Huangpu District, Guangzhou City -1- Product specification 1 Antenna Dimension 2 Performance parameter Name 2.4G BLE Antenna Model Type PCB Print Antenna ELECTRICAL SPECTFICATIONS Frenquency Range 2400-2500MHz Band Width 100MHz Impedance 50Ω VSWR <2.0 Max Gain 0dBi Polarization Vertical/Horizontal Radiation Omnidirectional Power 50 W MECHANICAL SPECTFICATIONS Connector Welding type Working Temperature -40°C-+85°C Limit Temperature -40°C-+125°C 3 VSWR 4 Passive test data: Passive test of the 2.4G Bluetooth module, with an angle of 3D 22.5°, and a frequency range of 2.3GHz - 2.5GHz Version AGT_2.5.2.07 Frequency Effic Percen Gain 2300 -7.29984 18.62155% -1.12622 2310 -7.37428 18.30508% -1.26217 2320 -7.46303 17.93481% -1.40294 2330 -7.36182 18.35771% -1.26257 2340 -7.24993 18.83679% -1.12548 2350 -7.23253 18.9124% -1.0777 2360 -7.53339 17.64661% -1.34703 2370 -7.5767 17.4715% -1.43719 2380 -7.46404 17.93063% -1.35612 2390 -7.37054 18.32085% -1.27105 2400 -7.32999 18.49273% -1.20553 2410 -7.18542 19.11868% -0.94505 2420 -7.12792 19.37348% -0.73896 2430 -7.13559 19.33929% -0.65863 2440 -6.91866 20.32985% -0.34065 2450 -6.83394 20.73033% -0.26785 2460 -6.73728 21.19688% -0.19208 2470 -6.71746 21.29382% -0.16145 2480 -6.65285 21.61299% -0.17219 2490 -6.58922 21.93197% -0.09976 2500 -6.48774 22.45049% 0.00327 5 Radiation Pattern -3-

Waltek Testing Group (Foshan) Co., Ltd. http://www.waltek.com.cn Page 1 of 38 WT-510-201-12-A TEST REPORT Reference No. .................... : WTF25F08227963W FCC ID ................................ : 2A3DS-AT370 Applicant ............................ : Guangdong Chiyang Scent Technology Co.,Ltd. Address .............................. : 1-9F, Unit A, and 5-9F, Unit B, Building 10,CIMC Center, No.3 Chanxing Road, Xianchong Village, Chencun Town, Shunde District, Foshan City, Guangdong Province, China, 528313 Manufacturer .................... : The same as above Address .............................. : The same as above Product Name .................... : Aroma Diffuser Model No. ........................... : A-T370 Test specification .............. : FCC CFR47 Part 15 Subpart C (Section 15.247) Date of Receipt sample .... : 2025-09-01 Date of Test ....................... : 2025-09-15 to 2025-12-03 Date of Issue ...................... : 2025-12-04 Test Report Form No. ....... : WEW-15247A-01B Test Result ......................... : Pass Remarks: The results shown in this test report refer only to the sample(s) tested, this test report cannot be reproduced, except in full, without prior written permission of the company. The report would be invalid without specific stamp of test institute and the signatures of approver. Prepared By: Waltek Testing Group (Foshan) Co., Ltd. Address: 1/F., Building 19, Sunlink Machinery City, Xingye 4 Road, Guanglong Industrial Park, Chihua Neighborhood Committee, Chencun, Shunde District, Foshan, Guangdong, China Tel:+86-757-23811398 Fax:+86-757-23811381 E-mail:[email protected] Tested by: Approved by: Roy Hong Danny Zhou Reference No.: WTF25F08227963W Page 2 of 38 Waltek Testing Group (Foshan) Co., Ltd. http://www.waltek.com.cn WT-510-201-12-A 1 Revision History Test Report No. Date of Issue Description Status WTF25F08227963W 2025-12-04 Original Valid Reference No.: WTF25F08227963W Page 3 of 38 Waltek Testing Group (Foshan) Co., Ltd. http://www.waltek.com.cn WT-510-201-12-A 2 Contents Page 1 REVISION HISTORY ............................................................................................................................. 2 2 CONTENTS ........................................................................................................................................... 3 3 GENERAL INFORMATION ................................................................................................................... 4 3.1 GENERAL DESCRIPTION OF E.U.T ................................................................................................... 4 3.2 TECHNICAL CHARACTERISTICS OF EUT ........................................................................................... 4 3.3 STANDARDS APPLICABLE FOR TESTING ............................................................................................ 4 3.4 TEST FACILITY ................................................................................................................................ 5 3.5 SUBCONTRACTED ........................................................................................................................... 5 3.6 ABNORMALITIES FROM STANDARD CONDITIONS ................................................................................ 5 3.7 DISCLAIMER .................................................................................................................................... 5 4 EUT SETUP AND TEST MODE ............................................................................................................. 6 5 EQUIPMENT USED DURING TEST ...................................................................................................... 7 5.1 EQUIPMENT LIST ............................................................................................................................. 7 5.2 TEST SOFTWARE ............................................................................................................................ 8 5.3 SPECIAL ACCESSORIES AND AUXILIARY EQUIPMENT ......................................................................... 8 5.4 MEASUREMENT UNCERTAINTY ......................................................................................................... 8 6 SUMMARY OF TEST RESULT ............................................................................................................. 9 6.1 ANTENNA REQUIREMENT ............................................................................................................... 10 6.2 RADIATED SPURIOUS EMISSIONS ................................................................................................... 11 6.3 POWER SPECTRAL DENSITY .......................................................................................................... 21 6.4 DTS BANDWIDTH .......................................................................................................................... 23 6.5 RF OUTPUT POWER ...................................................................................................................... 25 6.6 OUT OF BAND EMISSIONS .............................................................................................................. 27 6.7 CONDUCTED EMISSIONS................................................................................................................ 32 7 PHOTOGRAPHS TEST SETUP .......................................................................................................... 36 7.1 PHOTOGRAPHS - RADIATED EMISSION TEST SETUP ........................................................................ 36 7.2 PHOTOGRAPHS – CONDUCTED EMISSION TEST SETUP ................................................................... 37 8 PHOTOGRAPHS – EUT CONSTRUCTIONAL DETAILS .................................................................... 38 Reference No.: WTF25F08227963W Page 4 of 38 Waltek Testing Group (Foshan) Co., Ltd. http://www.waltek.com.cn…

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Waltek Testing Group (Foshan) Co., Ltd. http://www.waltek.com.cn Reference No.: WTF25F08227963W Page 1 of 2 Test Setup For Radiated Emission (30MHz to 1GHz) Test Setup For Radiated Emission (Above 1GHz) Waltek Testing Group (Foshan) Co., Ltd. http://www.waltek.com.cn Reference No.: WTF25F08227963W Page 2 of 2 Test Setup For Conducted Emission