2AOOA-ORO3TILDETilde Dongle

Tilde Dongle for Unified Communication and Audio Streaming Product description Tilde Dongle is a device to enhance Bluetooth connectivity from your Bluetooth headset or speakerphone to your laptop or IP phone. The discreet, Plug and Play adapter ensures quality of sound and an extended wireless range. When the BT560 is connected to your headset or speakerphone, the HD Voice lets you experience high-definition, crystal-clear sound and enjoy life-like UC conversations. In addition, HiFi Audio Streaming with A2DP allows you to stream music in amazing HiFi quality. Tilde Bluetooth Dongle works with many IP phones, Skype for Business, Microsoft Teams, and other softphones with targeted driver installed. Product information Product Dimensions 29x15x7mm Item Weight 25g Color Black Manufacturer Claritone Features USB: 1. Support USB Audio Class 1.0 and USB HID 2. Sampling Rate: Speaker 48KHz, Microphone 16KHz, support more sampling rate upon request 3. Remote Call control support for IP phones, Skype for Business and Microsoft Teams 4. Firmware upgrade through USB HID Bluetooth: 1. QCC3040 chipset based, proven performance and interoperate ability 2. Bluetooth 5.2 Standards, HFP & A2DP profile 3. A2DP profile support SBC, APTX, APTX LL, APTX HD, APTX Adaptive codec 4. HFP support Wide band audio (16KHz sampling rate) Hardware: Chipset: 5.6 x 5.9 x 1.0mm, 0.5mm pitch BGA RF Transmit power: +3dBm RF Receive sensitivity: -97dBm ǯ±‡––‡—”Ȁ”±…‡’–‡—”‡š‡’–†‡Ž‹…‡…‡…‘–‡—†ƒ•Ž‡’”±•‡–ƒ’’ƒ”‡‹Ž‡•–…‘ˆ‘”‡ƒ—š †ǯ ‘˜ƒ–‹‘ǡ…‹‡…‡•‡–±˜‡Ž‘’’‡‡–±…‘‘‹“—‡ƒƒ†ƒƒ’’Ž‹…ƒ„Ž‡•ƒ—šƒ’’ƒ”‡‹Ž•”ƒ†‹‘ ‡š‡’–•†‡Ž‹…‡…‡Ǥǯ‡š’Ž‘‹–ƒ–‹‘‡•–ƒ—–‘”‹•±‡ƒ—š†‡—š…‘†‹–‹‘••—‹˜ƒ–‡•ǣ ȋ͕Ȍǯƒ’’ƒ”‡‹Ž‡†‘‹–’ƒ•’”‘†—‹”‡†‡„”‘—‹ŽŽƒ‰‡Ǣ ȋ͖ȌǤǯƒ’’ƒ”‡‹Ž†‘‹–ƒ……‡’–‡”–‘—–„”‘—‹ŽŽƒ‰‡”ƒ†‹‘±Ž‡…–”‹“—‡•—„‹ǡ²‡•‹Ž‡„”‘—‹ŽŽƒ‰‡‡•– •—•…‡’–‹„Ž‡†ǯ‡…‘’”‘‡––”‡Ž‡ˆ‘…–‹‘‡‡–Ǥ

OROSOUND 84 Bis Quai du Petit Parc, 94100 Saint-Maur-des-Fosses, France Date: 2023-02-28 Federal Communications Commission Authorization and Evaluation Division 1435 Oakland Mills Road Columbia, MD 21046 Ref: Attestation Statements Part 2.911(d) ( 5) ( i) Filing SUBJECT: FCC Application for FCC ID: 2AOOA-ORO3TILDE To Whom It May Concern: OROSOUND certifies that the equipment for which authorization is sought is not “covered” equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. Sincerely, Signatory [Eric BENHAIM, CTO]

OROSOUND 84 Bis Quai du Petit Parc, 94100 Saint-Maur-des-Fosses, France Date: 2023-02-28 Federal Communications Commission Authorization and Evaluation Division 1435 Oakland Mills Road Columbia, MD 21046 Ref: Attestation Statements Part 2.911(d) ( 5) ( ii) Filing SUBJECT: FCC Application for FCC ID: 2AOOA-ORO3TILDE To Whom It May Concern: OROSOUND certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List as an entity producing “covered” equipment. Sincerely, Signatory [Eric BENHAIM, CTO]

OROSOUND 84 Bis Quai du Petit Parc, 94100 Saint-Maur-des-Fosses, France Date: 2023-02-28 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 FCC ID: 2AOOA-ORO3TILDE US Agent – Attestation Statement / Part 2.911(d)(7) OROSOUND certifies that, as of 2023-02-28, we have designated FCC US Agent, LLC to accept service of process on our behalf for FCC ID: 2AOOA-ORO3TILDE. OROSOUND accepts to maintain an agent of 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. FCC US Agent, LLC, accepts as of the date of the filing of this application, the obligation of being the designated agent for the purpose of accepting service of process on behalf of OROSOUND for FCC ID: 2AOOA-ORO3TILDE. Designated Agent Information: Company Name: FCC US Agent, LLC FRN: 0033402884 Address: 3722 Illinois Avenue, Saint Charles, IL, 60174, USA Contact Person: Tim Payne Phone: 708-571-3148 Email: [email protected] Sincerely, Company: OROSOUND Designated Agent: FCC US Agent, LLC Company Representative: Eric BENHAIM Designated Agent Representative: Tim Payne Signature: Signature:

OROSOUND 84 Bis Quai du Petit Parc, 94100 Saint-Maur-des-Fosses, France Date: 2023-02-28 Federal Communications Commission Authorization and Evaluation Division 1435 Oakland Mills Road Columbia, MD 21046 SUBJECT: FCC Application for FCC ID: 2AOOA-ORO3TILDE To Whom It May Concern: I, the undersigned, hereby states 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, and will apply the Supplier's Declaration of Conformity procedure to the class B computer peripheral portion of this composite device. I understand the following FCC requirements: 1. Devices subject to the SDoC procedure are required to be tested to show compliance with the FCC technical regulations by a recognized accredited testing laboratory. The testing laboratory must be accredited by a Commission approved accreditation body or designated under the terms of a government-to-government Mutual Recognition Agreement (MRA). A listing of those accredited testing laboratories that have been recognized by the Commission is published on the FCC Webpage: https://apps.fcc.gov/oetcf/eas/reports/TestFirmSearch.cfm (Select the "accredited" option to search for FCC recognized accredited test firms.) 2. Pt 2.1077 contains the list of information that must be included in the Supplier's Declaration of Conformity, which must be supplied with each product sold. The SDoC compliance info shall be included in the User’s Manual or as a separate sheet. The info must contain the name, address, and phone number of the responsible party, which must be located within the United States. According to 2.909(b), the responsible party is either the Manufacturer or if the product is imported the Importer. Regards, Sincerely, Signatory [Eric BENHAIM, CTO]

OROSOUND 84 Bis Quai du Petit Parc, 94100 Saint-Maur-des-Fosses, France --------------------------------------------------------------------------------------------------------------------- Date: 2022-06-27 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 FCC ID: 2AOOA-ORO3TILDE Confidentiality Request To whom it may concern, Pursuant to Sections 0.457 and 0.459 of the Commission’s Rules, we hereby request confidential treatment of the information accompanying this application as outlined below: ☒ Block Diagram ☐ Tune-Up Information ☒ Operational Description ☐ Security Information ☒ Schematics ☐ Software Defined Radio (SDR) Information ☐ Parts List The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these materials may be harmful to the applicant and provide unjustified benefits to its competitors. The applicant understands that pursuant to Section 0.457 of the Rules, disclosure of this application and all accompanying documentation will not be made before the date of the Grant for this application. Sincerely, OROSOUND ------------------------------- (Eric BENHAIM) (CTO)

OROSOUND 84 Bis Quai du Petit Parc, 94100 Saint-Maur-des-Fosses, France -------------------------------------------------------------------------------- (FCC ID：2AOOA-ORO3TILDE) POWER OF ATTORNEY DATE: 2022-06-27 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 To Whom It May Concern: We, the undersigned, hereby authorize Waltek Testing Group (Shenzhen) Co., Ltd. Jandy So on our behalf, to apply to the Federal Communications Commission on our equipment. Any and all acts carried out by Waltek Testing Group (Shenzhen) Co., Ltd. Jandy So on our behalf shall have the same effect as acts of our own. This is to advise that we are in full compliance with the Anti-Drug Abuse Act. We, OROSOUND are not subject to a denial of federal benefits pursuant to Section 5301 of the Anti-Drug Act of 1988, 21 USC853a, and no party to the application is subject to a denial of federal benefits pursuant to that section. Sincerely, OROSOUND ------------------------------- (Eric BENHAIM) (CTO)

ReferenceNo.:WTX22X04074628WPage2of10 WaltekTestingGroup(Shenzhen)Co.,Ltd. Http://www.waltek.com.cn EXHIBIT2-EUTEXTERNALPHOTOGRAPHS EUTView1 EUTView2 ReferenceNo.:WTX22X04074628WPage3of10 WaltekTestingGroup(Shenzhen)Co.,Ltd. Http://www.waltek.com.cn EUTView3 EUTView4 ReferenceNo.:WTX22X04074628WPage4of10 WaltekTestingGroup(Shenzhen)Co.,Ltd. Http://www.waltek.com.cn EUTView5 EUTView6

ReferenceNo.:WTX22X04074628WPage1of10 WaltekTestingGroup(Shenzhen)Co.,Ltd. Http://www.waltek.com.cn ANNEX EXHIBIT1-PRODUCTLABELING ProposedFCCIDLabelFormat FCCID:2AOOA-ORO3TILDE Specifications:Thelabelshallbesecurelyaffixedtoapermanentlyattachedpartofthedevice,inalocationwhere itisvisibleoreasilyaccessibletotheuser,andshallnotbereadilydetachable.Thelabelshallbesufficiently durabletoremainfullylegibleandintactonthedeviceinallnormalconditionsofusethroughoutthedevice’s expectedlifetime. ProposedLabelLocationonEUT FCCIDLabel Location

ReferenceNo.:WTX22X04074628WPage5of10 WaltekTestingGroup(Shenzhen)Co.,Ltd. Http://www.waltek.com.cn EXHIBIT3-EUTINTERNALPHOTOGRAPHS EUTHousingandBoard View1 Solder Board-ComponentView 1 ReferenceNo.:WTX22X04074628WPage6of10 WaltekTestingGroup(Shenzhen)Co.,Ltd. Http://www.waltek.com.cn Solder Board-ComponentView 2 AntennaView

RF Exposure Requirements Product Description: Tilde Dongle Model No.: ORO3 Tilde FCC ID: 2AOOA-ORO3TILDE According to the KDB 447498 D01 v06 section 4.3.1, for 100 MHz to 6 GHz and test separation distances ≤ 50 mm, the 1-g and 10-g SAR test exclusion thresholds are determined by the following: [(max. power of channel, including tune-up tolerance, mW)/(min. test separation distance, mm)] ꞏ [√f(GHz)] ≤ 3.0 for 1-g SAR and ≤ 7.5 for 10-g extremity 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 - The result is rounded to one decimal place for comparison Calculation Result: Tx frequency range: 2402-2480MHz Min. test separation distance: 5mm Maximum Conducted Output Power: 2.93dBm Tune-Up output power: 3dBm RF channel transmit frequency: 2402MHz Result: 0.62 Limit: 3.0 The exclusion thresholds is 0.62 < 3, so the transmitter complies with the RF exposure requirements and the SAR is not required.

Xiamen Claritone Technology Co. Ltd BT560 Bluetooth Dongle PCB Antenna Specification Doc. No. 39-00062 Version： Rev A Date 2022/8/22 Antenna Model No.: BT560 Antenna Type PCB foil antenna Size Width 0.5mm, overall length 19.5mm PCB material FR-4, thickness0.8mm Center frequency 2450MHz bandwidth 100MHz(Min.) Return Loss -10dB(Max) Peak Gain: 3.0dBi Impedance 50 Ohm Polarization Linear Azimuth Beamwidth Omni-directional Termination Cu/Sn (Leadless) Working temperature -40 ~ +110 °C Soldering 10 sec. @260°C Manufacturer Xiamen Claritone Technology Co. Ltd Address： Room 421, Meiren Plaza, No. 189 Xiahe Road, Xiamen, Fujian, China Passive efficiency Freq.(MHz) Peak Gain(dBi) Efficiency(%) 2400 2.30 41.6 2410 2.46 42.1 2420 2.64 42.4 2430 2.70 43.2 2440 2.81 45.6 2450 3.0 46.35 2460 2.83 45.2 2470 2.62 44.7 2480 2.45 42.3 2490 2.33 41.6 2500 2.12 40.8 Issue Zhang Ruizhi date： 2022/8/15 Check Chen Xinzong date： 2022/8/20 Approve: Wang Dong date： 2022/8/22 Xiamen Claritone Technology Co. Ltd Passive Test For Antenna： Freq.(MHz) Peak Gain(dBi) Efficiency(% ) 2400 2.30 41.6 2410 2.46 42.1 2420 2.64 42.4 2430 2.70 43.2 2440 2.81 45.6 2450 3.0 46.35 2460 2.83 45.2 2470 2.62 44.7 2480 2.45 42.3 2490 2.33 41.6 2500 2.12 40.8 Radiation Pattern： 2400MHz H 2400MHz E1 2400 MH z E2 2450MHz H 2450MHz E1 2450MHz E2 Xiamen Claritone Technology Co. Ltd 2500MHz H 2500MHz E1 2500MHz E2 Test: Zhang Zhenrong date： 2022/7/19 Approve: Wang Dong date： 2022/7/25

Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn Page 1 of 63 TEST REPORT Reference No. .................... : WTX22X04074628W FCC ID ................................ : 2AOOA-ORO3TILDE Applicant ........................... : OROSOUND Address ............................. : 84 B Quai du Petit Parc, 94100 Saint-Maur-des-Fosses, FRANCE Manufacturer ..................... : The same as Applicant Address ............................. : The same as Applicant Product Name ................... : Tilde Dongle Model No... ......................... : ORO3 Tilde Standards .......................... : FCC Part 15.247 Date of Receipt sample .... : 2022-04-19 Date of Test........................ : 2022-04-19 to 2022-05-05 Date of Issue ..................... : 2022-05-05 Test Report Form No. ....... : WTX_Part 15_247W 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 (Shenzhen) Co., Ltd. Address: 1/F., Room 101, Building 1, Hongwei Industrial Park, Liuxian 2nd Road, Block 70 Bao'an District, Shenzhen, Guangdong, China Tel.: +86-755-33663308 Fax.: +86-755-33663309 Email: [email protected] Tested by: Approved by: Jack Huang Silin Chen Reference No.: WTX22X04074628W Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn Page 2 of 63 TABLE OF CONTENTS 1. GENERAL INFORMATION ................................................................................................................................... 5 1.1 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) ............................................................................... 5 1.2 TEST STANDARDS ................................................................................................................................................... 6 1.3 TEST METHODOLOGY ............................................................................................................................................. 6 1.4 TEST FACILITY ....................................................................................................................................................... 6 1.5 EUT SETUP AND TEST MODE ................................................................................................................................. 7 1.6 MEASUREMENT UNCERTAINTY .............................................................................................................................. 9 1.7 TEST EQUIPMENT LIST AND DETAILS ................................................................................................................... 10 2. SUMMARY OF TEST RESULTS ......................................................................................................................... 12 3. ANTENNA REQUIREMENT ................................................................................................................................ 13 3.1 STANDARD APPLICABLE ....................................................................................................................................... 13 3.2 EVALUATION INFORMATION ................................................................................................................................ 13 4. FREQUENCY HOPPING SYSTEM REQUIREMENTS ................................................................................... 14 4.1 STANDARD APPLICABLE ....................................................................................................................................... 14 4.2 FREQUENCY HOPPING SYSTEM............................................................................................................................. 14 4.3 EUT PSEUDORANDOM FREQUENCY HOPPING SEQUENCE .................................................................................... 15 5. QUANTITY OF HOPPING CHANNELS AND CHANNEL SEPARATION ................................................... 16 5.1 STANDARD APPLICABLE ....................................................................................................................................... 16 5.2 TEST SETUP BLOCK DIAGRAM ............................................................................................................................. 16 5.3 TEST PROCEDURE ................................................................................................................................................. 16 5.4 SUMMARY OF TEST RESULTS/PLOTS .................................................................................................................... 17 6. DWELL TIME OF HOPPING CHANNEL .......................................................................................................... 18 6.1 STANDARD APPLICABLE ....................................................................................................................................... 18 6.2 TEST SETUP BLOCK DIAGRAM ............................................................................................................................. 18 6.3 TEST PROCEDURE ................................................................................................................................................. 18 6.4 SUMMARY OF TEST RESULTS/PLOTS .................................................................................................................... 19 7. 20DB BANDWIDTH ............................................................................................................................................... 20 7.1 STANDARD APPLICABLE ....................................................................................................................................... 20 7.2 TEST SETUP BLOCK DIAGRAM ......................…

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ReferenceNo.:WTX22X04074628WPage7of10 WaltekTestingGroup(Shenzhen)Co.,Ltd. Http://www.waltek.com.cn EXHIBIT4-TESTSETUPPHOTOGRAPHS ConductedEmission TestSetup RadiationEmissionTest Setup(Below30MHz) ReferenceNo.:WTX22X04074628WPage8of10 WaltekTestingGroup(Shenzhen)Co.,Ltd. Http://www.waltek.com.cn RadiationEmissionTest Setup(30MHzto1GHz) RadiationEmissionTest Setup(1GHzto18GHz) ReferenceNo.:WTX22X04074628WPage9of10 WaltekTestingGroup(Shenzhen)Co.,Ltd. Http://www.waltek.com.cn RadiationEmissionTest Setup(Above18GHz) ReferenceNo.:WTX22X04074628WPage10of10 WaltekTestingGroup(Shenzhen)Co.,Ltd. Http://www.waltek.com.cn RadioTestSetupView *****ENDOFREPORT*****