FCC ID: 2AQI5-CM672 Bluetooth Audio Receiver / Transmitter

V A01 2023/09/12 Package Contents 1 Bluetooth Audio Receiver/Transmitter 1 USB-A to USB-C Cable 1 User Manual 1 Quick Start Guide Product Overview 3.5mm Audio 01 Audio Indicators LED Indicator Power On Force Pairing Play/Pause Music, Answer/End A Call Reject A Call Button USB-C Charging Port Reset Hole Slide Switch Slide Switch RX TX Transmitter Mode TX RX Receiver Mode Microphone SBC AAC HD Audio Solid blue Solid white Solid yellow Mode Select 02 Transmitter mode (TX): wirelessly stream audio from your non-Bluetooth TV, Switch, or CD player to your Bluetooth earphones or speakers. Receiver mode (RX): wirelessly stream audio from your Bluetooth-enabled phones, tablets, or computers to your non-Bluetooth stereo system

(ampliers, car stereos, etc.). Transmitter mode (TX) TX RX Headphones Earphones Speakers TVs PCs Gaming Devices In-ight entertainments Receiver mode (RX) Tablets Phones TX RX Speakers Car Stereos Ampliers Transmitter mode (TX) 03 1. Connects to 1st Device

(Take AirPods as An Example) Slide to "TX" mode, then press the button for 3s to turn on the product. It will automatically enter pairing mode, and the indicator will ash red and blue alternately . Put the AirPods in pairing mode based on its manual. The blue indicator will be on for 3s to indicate successful pairing. Plug it into an audio source device (e.g. in-ight entertainment) to enjoy. 2. Connects to 2nd Device Complete the pairing with the 1st set of headphones according to the steps above. Then put the 2nd set of headphones into pairing mode based on its manual. Double-press the button to put the product into pairing mode. The blue indicator will be on for 3s to indicate successful pairing. Receiver mode (RX) 04 1. Connects to 1st Device

(Take A Phone as An Example) Slide to "TX" mode, then press the button for 3s to turn on the product. It will automatically enter pairing mode, and the indicator will ash red and blue alternately . Open up your device's Bluetooth list and connect to "UGREEN-15766". The product will ash blue to indicate a successful pairing. Plug it into an AUX port on an audio output device (e.g. speaker) to play music. 2. Connects to 2nd Device Complete the pairing with the 1st phone. Double-press the button to put the product in pairing mode. Open up the 2nd device's Bluetooth list. The blue indicator will be on for 3s to indicate successful pairing. IC Statement ENThis device complies with Industry Canada licence-exempt RSS standard(s). Operation is subject to the following two conditions:

(1) this device may not cause interference ;

(2) this device must accept any interference, including interference that may cause undesired operation of the device. FRLe prsent appareil est conforme aux CNR d'Industrie Canada applicables aux appareils radio exempts de licence. L'exploitation est autorise aux deux conditions suivantes :

(1) l'appareil ne doit pas produire de brouillage ;

(2) l'utilisateur de l'appareil doit accepter tout brouillage radiolectrique subi, mme si le brouillage est susceptible d'en compromettre le fonctionnement. CAN ICES-003(B) / NMB-003(B) L'appareil a t valu pour rpondre aux exigences gnrales d'exposition aux RF. L'appareil peut tre utilis dans des conditions d'exposition portable sans restriction. Important WEEE Information EU Declaration of Conformity GB Declaration of Conformity This symbol on the product(s) and / or accompanying documents indicates that, under the new Directive 2012/19/EU on waste electrical and electronic equipment (WEEE), product(s) used electrical and electronic equipment (WEEE) should not be mixed with general household waste. For proper treatment, recovery and recycling, please take this product(s) to designated collection points where it will be accepted free of charge. Disposing of this product correctly will help save valuable resources and prevent any potential negative eects on human health and the environment, which could otherwise arise from inappropriate waste handling. Please contact your local authority for further details of your nearest designated collection point. Penalties may be applicable for incorrect disposal of this waste, in accordance with your national legislation. For professional users in the European Union If you wish to discard electrical and electronic equipment (EEE), please contact your dealer or supplier for further information. For disposal in countries outside of the European Union This symbol is only valid in the European Union (EU). If you wish to discard this product please contact your local authorities or dealer and ask for the correct method of disposal. Hereby, Ugreen Group Limited declares that the product is in compliance with Directive 2014/53/EU & 2011/65/EU. Learn more about the EU Declaration of Conformity is available at the following internet address: https://www.ugreen.com/download/

Ugreen Group Limited Add: Ugreen Building, Longcheng Industrial Park, Longguanxi Road, Longhua, Shenzhen, China EU REP: Ugreen Group GmbH Add: Mannheimer Str. 13, 30880 Laatzen, Germany Warranty Information A limited 2-year warranty applies to all UGREEN products purchased from UGREEN ocial store or authorized sellers. Please feel free to contact us if you run into any problems. Hereby, Ugreen Group Limited declares that the product is in compliance with Directive UK Radio Equipment Regulations(SI 2017 No.1206)& The Restriction of the Use of Certain Hazardous Substances in Electrical and Electronic Equipment Regulations 2012 (SI 2012 No.3032). Learn more about the GB Declaration of Conformity is available at the following internet address:

https://www.ugreen.com/download/

Ugreen Group Limited Add: Ugreen Building, Longcheng Industrial Park, Longguanxi Road, Longhua, Shenzhen, China UK REP: Acumen Intemational Business Consultancy Limited Add: 94 Ock Street, Abingdon, OX14 5DH, UK Manuale Utente Raccolta Carta PAP 22 Bluetooth Audio Receiver/Transmitter Model: CM672 I P/N: 15766 FCC Statement 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. Warning: Changes or modications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. FCC Radiation Exposure Statement This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment.This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter. FCC 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 communica-

tions. 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 o 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 dierent from that to which the receiver is connected. Consult the dealer or an experienced radio/TV technician for help. The device has been evaluated to meet general RF exposure requirement. The devicecan be used in portable exposure condition without restriction. Tips 05 1. When connected to 2 devices simultaneously, it only supports plays music on one device at a time. If you need to switch to the 2nd device for playback, please turn o the audio source of the rst device. 2. After pairing is completed for the rst time, the last 2 paired devices will take priority when product is in reconnecting mode. 3. This product can save a maximum of 5 paired devices. 06 Indicator & Voice Prompts Function Power Bluetooth connection Calls Battery Level Indicator Power on Power o Pairing Pairing successful Disconnected Incoming call notication Calling Using Battery low Charging Fullycharged Solid blue: 1s Solid red: 1s Flashing blue & red Solidblue: 3s Flashing blue:

once every 5s

Flashing red:

once every 10s red Breathing Redturns o Voice Prompts Power on Power o Pairing Bluetooth connected Bluetooth disconnected

Battery low

Specications Model Bluetooth Version Frequency Band Max. RF Output Power Transmission Distance Bluetooth Prole Codecs Frequency Response Output Level (Receiving) Input Level (Transmitting) SNR THD+N Mic Sensitivity Audio Port Charging Port Battery Type Battery Capacity Limited Charging Voltage Charging Time Operating Time Compatible Systems The data are measured by UGREEN lab but may vary based on specic circumstances. CM672 5.2 2400MHz-2483.5MHz 4 dBm (conducted) 10m/33ft (no blocking) A2DP/AVRCP/HSP/HFP SBC/AAC 20Hz-20kHz 840mV rms RL=100k (RX) 0.75Vrms (TX) 92dB A-wt. 0.1%

-383dB (0dB=1V/Pa) 3.5mm audio USB-C Polymer lithium-ion battery 300mAh 3.7V (1.11Wh) 5.25V About 4 hours TX: About 30 hours RX: About 20 hours WARNING 07 The product contains polymer lithium-ion battery, please do not dismantle, crush, squeeze or expose it to re. Stop using when the battery is submerged. Stop using when it is swollen. Do not expose the product to excessive temperature. Keep out of reach of children. If the battery has been accidentally swallowed or placed inside any part of the body, please seek medical attention immediately. 1. 80g 2. 4C 3. 4. 75x120mm 5. 6. 1mm 7. 94/62/ECTPCHREACH 8. MOSH(C16-C35)0.1%MOAH1-70.1%MOAH3-70.0001%

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SELECT TOL. Dim 0~6 6~30 30~120 120~300 300~450 450~600 B 0.05 0.15 0.20 0.30 0.40 0.50 DRAFT TOLERANCE A 0.05 0.10 0.15 0.20 0.25 0.30

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V C 0.10 0.20 0.30 0.40 0.50 0.60

+_ EPS EPE EPP BAG CTN LABEL 0.20 0.20 0.25 0.30 0.50 0.80 1.00 1.00 2.00 3.00 CRITICAL DIM. MARK 3.00 5.00 10.00 15.00 20.00 0.50 0.50 1.00 2.00 3.00 0.50 0.50 1.00 2.00 3.00

0.50 0.50 1.00 2.00 3.00 SCALE 1:1 SHEET 1/1 UNIT mm

: CM403 80893

(Ugreen Group Limited) Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: November 28, 2023 Ref: Attestation Statements Part 2.911(d)(5)(i} Filing FCC 1D:2AQIS-CM672

[Ugreen Group Limited] certifies that the equipment for which authorization is sought is not equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules.

(Applicant signature) ChiYang Loma Rev 1/26/2023 Sincerely,

(Ugreen Group Limited) Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: November 28, 2023 Ref: Attestation Statements Part 2.911(d)(5)(ii) Filing FCC ID:2AQ15-90855

[Ugreen Group Limited] 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 coverd equipment. [Ugreen Group Limited]

certifies that, as of the date of the filling of the application, the applicant is not identified on the Cover list (as specifically named entity or any of its subsidiaries or affiliates) as an entity producing covered equipment. Sincerely, Rev 1/26/2023

(Applicant signature) ChiYang

Date: 28 November 2023 To: Federal Communications Commission, Authorization & Evaluation Division, 7435 Oakland Mills Road, Columbia, MD 21046 To Whom It May Concern:

The Ugreen Group Limited, the undersigned, hereby authorizes Mr. Wu Xuewen from Shenzhen BALUN Technology Co., Ltd., to act on the behalf of the Ugreen Group Limited solely in matters relating to the application for an FCC equipment authorization for FCC ID: 2AQI5-CM672 including the signing of documents in connection with this Application. Necessary acts carried out by Shenzhen BALUN Technology Co., Ltd. in connection with the Application shall have the same effect as acts of the Ugreen Group Limited. The Ugreen Group Limited 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. Section 862. Yours Sincerely, Ugreen Group Limited

Date: 28 November 2023 Ugreen Group Limited Federal Communications Commission, Authorization & Evaluation Division, 7435 Oakland Mills Road, Columbia, MD 21046 Re: Ugreen Group Limited FCC ID: 2AQI5-CM672 FCC Certification Confidentiality Request Gentlemen:

This letter is to comply with 47 CFR 0.457 and 0.459 pertaining to confidentiality material. Ugreen Group Limited requests that the following documents regarding this submission for FCC ID: 2AQI5-CM672 be kept confidential:

Exhibit Type File Name Block Diagram Block Diagram.pdf Schematics Schematics. pdf Operational Description Operational Description.pdf And below exhibit kept short-term confidential (180 days):

User manual User manual.pdf Those documents contain detailed system and equipment description and related information about the product which Ugreen Group Limited considers to be confidential proprietary, a custom design and, otherwise, not releasable to the general public. Since this design is a basis form which future technological products will evolve, Ugreen Group Limited considers 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. re Yours Sincerely, ChiYang

America Ugreen Limited Section 2.911(d)(7) USA Agent for Service of Process Company name: Ugreen Group Limited Address: Ugreen Building, Longcheng Industrial Park, Longguanxi Road, Longhua, ShenZhen, China Product Name: Bluetooth Audio Receiver / Transmitter FCC ID: 2AQI5-CM672 Model(s): CM672 2.911(d)(7) USA Designated Agent for Service of Process We, [Ugreen Group Limited] (the applicant) designate [ America Ugreen Limited]

NOTE! for the purpose of accepting service of process on behalf of the applicant. Applicant consent: We Acknowledge our 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 acknowledge our 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 invalving the equipment, whichever is later. Agent obligation: We Acknowledge our obligation to accept service of process in the United States for matters related to the applicable equipment at our physical U.S. address and email address 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. USA Agent Applicant Company name: America Ugreen Limited Company name: Ugreen Group Limited Address: 3828 Kennett Pike, Suite 212, Address: Ugreen Building, Longcheng Greenville, DE 19807-2331 industrial Park, Longguanxi Road, Longhua, ShenZhen, China FRN: 0033426180 FCC ID: 2AQI5-CM672 Contact Name: Morgan Gordon Contact Name: Chi Yang Telephone No: +1 302 206 2630 Telephone No: 0755-28198930 Email: seven@ugreen.com Email: certification@ugreen.com Signature: Signature:

Title: Autorized Officer Title: Manager Date: 2023-11-30 Date: 2023-11-30 2.911 (d}(7)USA Agent v1.2 pply America Ugreen Limited NOTE 1: An applicant located in the United States may designate itself as the agent for service of process. Reference; Federal Register document 2022-28263 published on 02/06/23 htt s:/Awww.federalre ister. ov/documents/2023/02/06/2022-28263/ rotectin -a ainst-nation al-securit -threats-to-the-communications-su ' -chain-throu h-the 2.911 (d)(7)USA Agent v1.2