FCC ID: 2A8IT001 wireless earphones

wUBIVS.1 A2DP1.3/HEP1.6/HSP1.2/AVRCP1.6/SPP Tae Sate 24G FM VABCSEHVFAHSO AM, FERbES BI35MAhFeBE2SOMAH xi ASAMW FINE 5 BAAN ES 10-15M Pe Aas SARITA EERE: Gund Beit HERES SaoR mvs SHPSa FH WtAB Eth Wise RR StAB BewF $e 4 PORRE SIRI aS SHPSA RS HzESR RBIS Ferd BIER PREC 3.4VIRIEEEBSE TR OBGORMER) teem AEBIBL PBFMET3. 2VIH Ae WERE IN SATE, ORES, DR RRNR, . Bae DAES ee ee REARIANESE, ASH eae Abe 3 SHEE 3. ARO (IOK) PERATE, FARR SEZ Tes c sel SOteS) TAMERS RA 131th TWS (true wireless stereo) earphones T31 Manual Operating Instructions Functions Operating Instructions 7 earphone out of the charging box auto power on/

ouer on Long press for 3 seconds to power on Power off Put the earphone into the charging box to power off/

Long press for 5 seconds to power off Switch language Pairing status tap earphone 5 times switch sound effect Connect or playback status tap right earphone 3 times Play/Pause Tap earphone 1 times Play next Tap right earphone 2 times Play previous Tap left earphone 2 times switch game mode Tap left earphone 3 times Siri/Android assistant Long press for 4 seconds to wake up the voice assistant Answer/Hang-up Tap earphone 1 times Reject call Long press earphone Incoming voice call Play incoming call number Low battery alarm When the voltage is lower than 3.4v prompt charging Low battery power off When to voltage is lower than 3.2v power off Earphone charging Put the earphone into the charging box Auto power off when not connected auto power off in 3 minutes Bluetooth version V5.1 Bluetooth protocol A2DP1.3/HFP1.6/HSP1.2/AVRCP1.6/SPP. Bluetooth frequency 2.4G Battery capacity Headphones 35mAh, charging case 250mAh Bluetooth range 10-15M Talk/play time About one ear playback/talk time: 6 hours FCC Warning 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. Any changes or modifications not expressly approved by the party responsible for compliance could void the user's 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. The device has been evaluated to meet general RF exposure requirement. The device can be u sed in portable exposure condition without restriction Precautions 1. Please do not use violence to treat this product, do not squeeze it with heavy objects, and keep away from high temperature and high humidity environment. 2. Keep away from WIFI routers and other high-frequency transmitting devices, which will affect the signal reception of the machine and cause the sound to be stuck and disconnected. 3. Please use this product in an effective environment (10 meters), and there should be no physical obstruction (such as a wall, etc.) between the Bluetooth device and the headset

Shenzhen DSM Electronic Technology Co., Ltd. Agent Authorization Company: Shenzhen DSM Electronic Technology Co., Ltd. Address: Room 401-B, No. 23 Baili Road, Shuidoukengxicun, Dafapu Community, Bantian Street, Longgang District, Shenzhen, China Product Name: wireless earphones Model Number(s): T31, T32, T41, T42, T43, X7, D9 Product Description: wireless earphones We authorize MiCOM Labs Inc., 575 Boulder Court, Pleasanton, California 94566, USA, to act on our behalf on all matters concerning the certification of above named equipment. We declare that MiCOM Labs Inc. is allowed to forward all information related to the approval and certification of equipment to the regulatory agencies as required and to discuss any issues concerning the approval application. Any and all acts carried out by MiCOM Labs on our behalf shall have the same effect as acts of our own. Signature:

Name:

Ning Yanfang Date: 2022-08-29 Sales manager Title:

Company: Shenzhen DSM Electronic Technology Co., Ltd.

Shenzhen DSM Electronic Technology Co., Ltd. Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Subject; Request for Confidentiality FCC ID: 2A8IT001 To Whom It May Concern, 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. Date: 2022/08/29 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 Operational Description 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);

User Manual For 45 days, pursuant to Public Notice DA 04-1705. OR For 180 days pursuantto 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: Ning Yanfang Title: Sales manager

Shenzhen DSM Electronic Technology Co., Ltd. Model Difference Data2022.08.29 Product description: wireless earphones Model name: T32, T41, T42, T43, X7, D9 Trade Name: DSM FCC ID: 2A8IT001 All the model are the same circuit and RF module, except model names . Regards Sincerely Clients signature :

Clients name / title : Ning YanfangSales manager Contact information / addressRoom 401-B, No. 23 Baili Road, Shuidoukengxicun, Dafapu Community, Bantian Street, Longgang District, Shenzhen, China