FCC ID: 2A4TBS5 True Wireless Stereo Earbuds

Find the rhythm of your soul True Wireless Stereo Earbuds Srhythm SoulMate Series (S) User Manual What's in the Box E n g l i s h Product Dimensions You could replace silicon eartips to be the best suitable size for your ears.

(S/M/L size for your choice) 65.95mm E n g l i s h Find the rhythm of your soul True Wireless Stereo Earbuds Srhythm SoulMate Series (S) Precautions for Battery S is powered by a built-in rechargeable lithium battery. Please charge S over hours before using it for your rst time. Only the attached Type-C cable can be used for charging battery. Incorrect charging may damage batteries and earbuds. Do not attempt to open rechargeable batteries or battery packs because that may break products due to the precise structure.There are also no usable parts in it. Rechargeable batteries only can be recharged by adults.Keep the battery out of reach of children.If children swallowed it,please take them to the hospital immediately. Keep the battery away from the re.Do not throw the battery into the re,otherwise it may explode.Batteries may also explode if being damaged.Please handle and disposal it according to your local conditions and regulations. 21.06mm 33.66mm Earbuds 23.9mm 47.2mm Charging Box More stable wearing Special earplugs on S earbuds give you more stable wearing, not easy to fall out. Please follow these steps to wear. Gently insert the earplugs to ensure comfortable wearing. Rotate and adjust the earplugs to the correct position. Parameters Wireless Noise Cancelling Earbuds S. Replace Silicone Earplugs Bluetooth Version ANC+ENC Maximum Noise Deduction Driver Diameter Frequency Range Load Impedance Sensitivity Bluetooth Range Bluetooth Support Playtime V. AI Dual ic ENC oise Cancelling

>-dB mm Hz~KHz dB+/-dB m/ftWithout obstacles AAC,SBC,ADP,HFP,HSP,AVRCP,etc. Hours(Middle Sound) Charging Box Charging Time

< Hours Earbud Battery Charging Box Batter Operating Voltage Weight mAh Per Unit mAh Earphone .V Earphone mAh g Per Unit, g for Charging Box Water Proof Level IPX

* Above data are all from the laboratory and for reference only. Your earbuds come with multiple pairs of eartips, Medium size eartips are pre-installed. Need to use a certain amount of force to remove the earplugs Power On/O Remove the earbuds from the charging case. Wait seconds to let earbuds pair with itself automatically. ON OFF S M L Tip:The earbuds will automatically power o after minutes if no device is connected. E n g l i s h E n g l i s h E n g l i s h Bluetooth Pairing Open the charging case, the earbuds will automatically enter the Bluetooth pairing mode. Select Srhythm S on your devices Bluetooth list to connect. When connected successfully, you can hear connected voice prompt. Transparency mode Tap the left touchpad twice to switch between "ANC on", "ANC o" and

"Transparency mode". E n g l i s h Srhythm S5

L ENC mode(Environmental Noise Cancelling) ENC is automatically activated when you're on a call or using your voice assistant so that the receiver has no problems understanding you regardless of the ambient noise. Mono mode When Bluetooth connected, you can use either one of the earbuds by placing the other one into the charging case(ANC function is not available in Mono mode). ANC mode(Active Noise Cancelling) Tap the left touchpad twice, you will hear the "ANC on" voice promp. Voice Assistance Tap left or right touchpad times to activate voice dialing function

(compatible with iPhone Siri and selected Android voice dialing software). L L R E n g l i s h Reset Put the earbuds into charging box, keep the charging box open and long press the reset button on the charging box for seconds. The green light will ash for seconds, and then turn o. Then the reset is done. Answer a call End a call Reject a call Mono Press twiceL/R Press twiceL/R Long press for secondsL/R E n g l i s h s L R/

Multi-function Touchpad Both left and right earbuds have touch control function. L R Play/Pause Next track Press twiceR Long press for secondsR Previous track Long press for secondsL Switch ambient sound modes:

ANC on/ANC o/Transparency Press twiceL Play/Pause Next track Answer a call End a call Reject a call Press twiceL/R Long press for secondsL/R Press twiceL/R Press twiceL/R Long press for secondsL/R Charge the Charging Box Connect the attached USB Type-C cable to the USB interface (charging wall or charger is not provided by Srhythm) and charge the Charging Box under .V. It takes - hours to fully charge earbuds and charging box. E n g l i s h The LED indicators on the charging case indicate the charging status. LED light ashes red Charging box being charged Charging box in low battery LED light ashes white Earbuds being charged LED light ashes green Charging box is fully charged

*Voltage exceed .V and under V will activate Charging Protect Mode, then the charging box can not be charged.

*Voltage over V may break the products. NOTE Do not handle the earbuds roughly. Do not press them with heavy objects. Keep away from heat and humidity. For best performance, keep away from Wi-Fi routers and other high-frequency transmitting devices. Please use the earbuds within the eective distance of meters. There should be no physical obstruction (such as a wall, etc.) between the Bluetooth device and the earbuds. The earbuds can be paired with any device that supports Bluetooth. Attention

. The risk of hearing loss can be reduced by observing the following safe guidelines: When connecting the earbuds, adjust the volume control to the minimum, and then slowly increase to a comfortable volume level. Keep the volume as low as possible. If the volume needs to be increased, please adjust the volume control slowly. And stop using the speaker immediately if you feel unwell in the ear or if you got tinnitus. Using a high volume for a long period of time will make your ears used to such volume, causing permanent damage to your hearing even without any apparent discomfort. If you are wearing a pacemaker or other electronic medical device, you should seek your doctor's advice before using this product. E n g l i s h

.T he packaging contains small parts that can endanger children. Therefore, it should be kept out of the reach of children. Swallowing plastic bags can cause suocation. Do not attempt to disassemble the product or insert any object into the product by yourself, otherwise it may cause a short circuit, which may lead to re or electric shock. Customer shall not replace or repair any component. Only authorized dealers or repair service center can open nished products. If any part of the product needs to be replaced for any reason (including normal wear and tear and damage or cracking), please contact the vendor. Avoid rain, dampness or contact with other liquids. If the product is overheating, falling or damaged, or the product falls into a medium liquid, please stop using it. Using headphones while driving may be restricted by local laws. Please consult the local authority. Be careful when using this product when you need to devote yourself to something else. Maintenance of built-in battery: The product is powered by rechargeable batteries. New batteries must be recharged and discharged two or three times before their full function be released. Disconnect from the charger when the battery is fully charged, as overcharging would shorten battery life. When not in use, battery in fully charged disappears slowly. Do not place the product near a heat source or expose it to direct sunlight, dust, moisture, rain or mechanical impact. Try to keep the battery temperature between C and C at all time. If the battery is too hot or too cold, the product may not work temporarily, even if it is fully charged. Warning on battery: Improper use of batteries may result in re or chemical burns. Batteries can explode if damaged. Please refer to the User Manual for Instructions on the charging status indicator lights. When unplugging the power cord or any reinforced parts, please hold the plug and pull it out instead of pulling the cord directly. Do not use the damaged charger. FCC Caution:

Any changes or modifications not expressly approved by the party responsible for compliance could void your authority to operate the equipment. 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. IMPORTANT NOTE:

Any changes or modifications not expressly approved by the party responsible for compliance could void your authority to operate the equipment. 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 communications. 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 off 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 different from that to which the receiver is connected.

- Consult the dealer or an experienced radio/ TV technician for help. FCC Radiation Exposure Statement:

This equipment complies with FCC radiation exposure limitsset forth for an uncontrolled environment .This equipment should be installed and operated with distance <5mm between the radiator& your body. ISEDC warning This device complies with Innovation, Science,and EconomicDevelopment Canada license-exempt RSS standard(s).Operation is subject to the following two conditions:

(1)this device may not cause interference, and (2) this devicemust accept any interference, including interference thatmay cause undesired operation of the device. Le 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, et

(2) l'utilisateur de l'appareil doit accepter tout brouillage radiolectrique subi, mme si le brouillage est susceptible d'en compromettre le fonctionnement This equipment complies with FCC radiation exposure limitsset forth for an uncontrolled environment .This equipment should be installed and operated with distance <5mm between the radiator& your body. Le present appareilest conformeApres examen de ce matriel aux conformit ou aux limitesd'intensite de champ RFles utilisateurs peuvent sur 'exposition aux radio frequencesetla conformit and compliance d'acqurir les informationscorrespond antesLa distance minimale du corps utiliser ledispositif est de 5mm.

P/N: H LX16 0 8 0 8 D 0 6 Features 1.Surface Mounted Devices with a small dimension of 1.6 x 0.8 x 0.8 mm meet future miniaturization trend. 2,Embedded and LTCC (low temperature co-fired ceramic) technology is able to integrate with system design as well as beatifying the housing of final product. 3.High stability and low tolerance. Applications 1. Bluetooth 2. Wireless LAN 3. ISM band 2.4GHz wireless applications DimensionsUnitmm L w

( Top View ) A Number Terminal Name INPUT NC T

( Side View )

( Bottom View ) Symbols Dimensions L W T A 1.600.20 0.800.20 0.800.20 0.300.10 21905 TEL: 0755-23591525, FAX: 0755-23591525 P/N: H LX16 0 8 0 8 D 0 6 Evaluation Board and Matching Circuits 21905 TEL: 0755-23591525, FAX: 0755-23591525 P/N: H LX16 0 8 0 8 D 0 6 S11-Parameter Frequency(MHz) VSWR 2400 1.56 2450 1.16 2480 1.48 2500 1.79 21905 TEL: 0755-23591525, FAX: 0755-23591525 P/N: H LX16 0 8 0 8 D 0 6 Radiation Pattern coordinates Y-Z Plane X-Z Plane 21905 TEL: 0755-23591525, FAX: 0755-23591525 P/N: H L X16 0 8 0 8 D 0 6 X-Y Plane Frequency 2400MHz 2450MHz 2490MHz Avg. gain 1.10 1.33 Peak gain 2.5 2.6 Efficiency 55%

57%

0.45 2.5 53%

21905 TEL: 0755-23591525, FAX: 0755-23591525 P/N: H LX16 0 8 0 8 D 0 6 Test Temperature:

253

-25~+85 5~40 20~70%

Dependability Test Operating Temperature Temperature Relative Humidity Moisture Proof Temperature402 Humidity90~95%RH Duration500h Recovery conditionsRoom temperature Recovery Time24h (Class1) or 48h (Class2) Solderability At least 95% of the terminal electrode is covered by new solder.Preheating conditions:80 to 120;

10~30s. SolderTemperature:235 5 Duration:2 0.5s , SolderTemperature:2455 Duration:20.5s Optimum Solder Amount for Reflow Soldering Too much solder Cracks tend to occur due to large stress. Not enough solder Weak holding force may cause bad connection between the capacitor and PCB. Recommended Soldering amounts The optimal solder fillet amounts for re-flow soldering The optimal solder fillet amounts for wave soldering 21905 TEL: 0755-23591525, FAX: 0755-23591525 P/N: H LX16 0 8 0 8 D 0 6 While in preheating,please keep the temperature difference between soldering temperature and surface temperature of chips as: T150. 21905 TEL: 0755-23591525, FAX: 0755-23591525 P/N: H LX16 0 8 0 8 D 0 6 Dimensions of paper taping for 0603types Unitmm Reel4000 pcs/Reel Storage Period The guaranteed period for solderability is 6 months (Under deliver package condition).Temperature 5~40 /Relative Humidity20~70%

21905 TEL: 0755-23591525, FAX: 0755-23591525

Shenzhen Srhythm Industry Co., Ltd. Date6/25/2023 Product Model Number: S5 FCC ID2A4TBS5 To whom it may concern, Re: Product Certification Representative Authorization Letter We authorize QAI Laboratories Ltd. 3980 North Fraser Way, Burnaby B.C. Canada V5J 5K5 to act on our behalf on all matters concerning the above named equipment. This shall include the following:

Testing Approval applications and procedures We declare that ORGANIZATION. is allowed to forward all information related to the approval project to the applied certification body and to the notification entities and to discuss any issues concerning the approval application. Any and all acts carried out by ORGANIZATION. on our behalf shall have the same effect as acts of our own. By: Jiao Peng Contact Listed on FCC Wesbite Title: CEO Email: fpeng@srhythm.pro On behalf of: Shenzhen Srhythm Industry Co., Ltd. Effective Date: April 2, 2020 Revision Date:

QSF 7.6.4-8 Agent Authorization Letter Template Revision: 0 Page 1 of 1

Shenzhen Srhythm Industry Co., Ltd. Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Subject; Request for Confidentiality FCC ID: 2A4TBS5 To Whom It May Concern, Date: August 1, 2023 Pursuant to the provisions of the Commissions 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 In additional to above mentioned documents, in order to comply with the marketing regulations in Title 47 CFR 2.803 and the importation rules in Title 47 CFR 2.1204, while ensuring that business sensitive information remains confidential until the actual marketing of newly authorized devices, we request Short Term Confidentiality of the following attachment(s);

External Photos Test Setup Photos Internal Photos User Manual For 45 days, pursuant to Public Notice DA 04-1705. OR For 180 days pursuant to KDB 726920 D01. 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: Jiao Peng Title: CEO

Attestation Statements 2023/7/27 TO: Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046, USA RE: Attestation Statements Part 2.911(d)(7) request for FCC ID: 2A4TBS5 Shenzhen Srhythm Industry Co.,Ltd the undersigned, hereby authorize AOCE Corporation Inc. to act as our designated U.S. agent for service of process, Shenzhen Srhythm Industry Co.,Ltd accepts to maintain an agent for no less than one year after the grantee has terminated all marketing and importation or the conclusion of any Commission-related proceeding involving the equipment. AOCE Corporation Inc. accepts the responsibility to act as designated U.S. agent for service of process. Applicant Information:

Company name: Shenzhen Srhythm Industry Co.,Ltd Contact Name: Jiao Peng Address: Avda. 1602 Zhongan Building,Guangchang Road,Wenjing Community, Buji Street, Longgang Distruct,Shenzhen,Guangdong 518000,China Telephone No: 18924658087 Email: foeng@srhythm.pro

| DoH Jiae Pers Signature:

Jiao Peng U.S. Agent Information:

Company Name: AOCE Corporation Inc. Address: 6547 N Academy Bivd #2266,Colorado Springs, CO, 80918 United States FRN: 0033401381 Contact Name: Johnson.wang Telephone No: +1-346-582-5234 Email: wwbj2008@126.com

. Ye te -

Signature <r Johnson.wang-

Shenzhen Srhythm Industry Co., Ltd. Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: August 1, 2023 FCC ID: 2A4TBS5 Ref. #1: Attestation Statements Part 2.911(d)(5)(i) Filing Shenzhen Srhythm Industry Co., Ltd. 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. Ref. #2: Attestation Statements Part 2.911(d)(5)(ii) Filing Shenzhen Srhythm Industry Co., Ltd. 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. Applicant: Shenzhen Srhythm Industry Co., Ltd Address: 1602 Zhongan Building, Guangchang Road Wenjing Community, Buji St., Longgang Dist. Contact Person: Jiao Peng Tel.: 18924658087 Email: fpeng@srhythm.pro Sincerely, Signature: