FCC ID: YGK-T302A Bluetooth Headset

T302A T302A Bluetooth headset in Chinese and English User Manual Welcome 1 / 15 Thank you for choosing our products. The company Bluetooth earphone has a fashionable design, powerful functions, and high compatibility, providing you with hands-free convenience in making calls and listening to music. It is your best choice in office and during traveling and driving. Bluetooth Wireless Technology 10 30 With the Bluetooth wireless technology, you can connect the earphone to its compatible communication devices without using cables. The Bluetooth wireless connection allows you to use a cell phone without holding it against the earphone, but the maximum distance between them cannot exceed 10 meters (about30 feet). The Bluetooth wireless connection may be interfered by obstacles (such as walls) or other electronic devices. In some areas, use of the Bluetooth wireless technology may be subject to some constraints. Please consult your local authority or service provider for details. 2 / 15 Fully charge the earphone before using. For details about how to charge the earphone, see "Charger and Battery" in this manual. Meanwhile, choose the cell phone that is compatible with the earphone or other Bluetooth devices to pair with the earphone. For details about pairing, see "Basic Operations". Tip: Keep the earphone away from your credit card or other magnetic storage media; otherwise, the stored information may be lost due to demagnetization. 3 / 15

() How to connect with the Bluetooth earphone (Note: Use iPhone for example) For customers convenience of operation, the left- and right-channel stereo of the two Bluetooth earphones has been paired and connected before leaving factory. Initial use of the earphone 4 / 15 1 LED L ( R ) 1. For the first use, after charging with the charging box, the white LED of the charging box is on; place the left (L) and right (R) headphones in the charging box for activation. 2 2. open the cover of the charging box, and the headset is automatically powered on and enters pairing status, and have a prompt tone when completing the TWS pairing. 3 3. Start the Bluetooth on your phone, and search for Bluetooth headset.After the Bluetooth headset is found, click Pair to complete connection. 5 / 15 Basic Operations

, TWS , 3 , Auto power-on/off: Just open the cover of the charging box, and the headset is automatically powered on, with TWS successfully connected. If pairing exceeds 3 minutes, the headset is automatically powered off. Put the headset into the charging box, close the charging cover, and the headset is disconnected from the mobile phone, automatically powered off, and enters charging status. TWS , TWS ,, Manual TWS pairing: When the left and right earphones enter the pairing state, double-tap an earphone to start TWS pairing, and the indicator blinks in red and blue alternatively. After the successful paring, a voice prompt can be heard on both the left and right earphones. TWS ,,

, Connection: After the left and right earpieces completes TWS pairing, open the cover of the charging box, and the headset is automatically powered on and enters pairing status. Search for the pairing target name on your mobile phone, tap Connect, and an electronic prompt tone rings. 6 / 15 L( R),""

Receiving a call: When there is an incoming call, you can double-tap the left earphone (L) or right earphone (R) to receive the call, and meanwhile a "Beep" prompt tone can be heard.

, L( R),""

Terminating a call: During a call, you can double-tap the left earphone (L) or right earphone (R) to terminate the call, and meanwhile a "Beep" prompt tone can be heard. L)R),""

Canceling a call: After you dial a call, you can double-tap the left earphone (L) or right earphone (R) to cancel the call, and meanwhile a "Beep" prompt tone can be heard. L)R) Playing or pausing music: When the music is being played, you can double-tap the left earphone (L) or right earphone (R) to pause the music, or repeat the same operation to play the music again. Automatic re-connection: After the earphone are powered on, they are actively re-connected to the last paired one devices. 7 / 15 iOS iOS iOS battery level display: After the earphone is connected to the iOS, the battery level of the earphone can be displayed.

, 5 Low-voltage alarm: A voice prompt is played every 5 minutes until the headset is powered off. 3 3 Anti-lost alarm: When the headset is far away from you or is abnormally disconnected, a voice prompt can be heard. An attempt will be made to reconnect the headset in 3 minutes. Three minutes later, the headset will be automatically powered off. 8 / 15 Charger and Battery DC5V+/-0.25V

:100mA-500mA Before using any charger to charge this earphone, check whether the specifications of the charger meet requirements. The recommended output voltage of the charger is DC5V+/-0.25V, and the recommended output current is 100 mA to 500 mA. An over-high charging voltage may damage the earphone. 3C Warning: Use the recommended charger whenever possible. Use of other types of chargers may violate the warranty terms of the equipment and results in danger. If the charging cable is delivered with the earphone, connect the cable to a CCC-certified charger or computer to charge the earphone. 9 / 15 Charging the Battery The earphone use embedded charging battery that cannot be removed. Do not attempt to remove the battery from the earphone or the charging box; otherwise, the earphone may be damaged. If the earphone is not used in a long time, keep it in a cool and well-ventilated place, and charge the earphone once every two months. 1. When the LED indicator connected earphone flash red with a voice please charge, put the earphone into the charging box. Otherwise the earphone will power off automatically. 2.Micro USB If both the earphone and charging box are out of power, insert the cable of the charger into the Micro-USB port on the charging box, and plug the charger into the AC socket. The charging box and earphone will be charged simultaneously. 3.2 4 24 10 / 15 The earphone is charged through two metal contacts during charging in the box, and the indicator blinks blue while charging. The full charge takes about two hours. The indicator goes off when the earphone is fully charged. Then you can take out your earphone for use. When the charging box is being charged, the four indicators blink blue in sequence. The full charge takes about two hours. The four indicators become steady blue when the charging box is fully charged. Then you can disconnect the charger from the socket and charging box. 4.3.570 A fully charged battery of earphone can provide about 3.5 hours of talk time, or 70 hours of standby time. The actual talk time and standby time may vary with cell phones, settings, use methods, and environment. 11 / 15 Troubleshooting Cause Solution The earphone is out of power. pin The earphone metal contacts are not well connected to the charging box pins. Put the earphone into the charging box. (If the charging box is also out of power, charge the box with the charger first.) pin Take out your earphone and adjust the metal contact angle, and then put it back into the charging box. Ensure that the metal contacts are well connected to the charging box pins. The earphone cannot be powered off. The earphone program is in error due to an incorrect operation. Put the earphone into the charging box and reset the earphone. The earphone does not enter the pairing state. Enable the earphone to enter the pairing state. The Bluetooth application of the cell Power off and then on the cell phone to pair the cell phone with the phone is in error. earphone. Problem Description The earphone cannot be powered on. The earphone cannot be charged. The earphone cannot be searched or pairing fails. 12 / 15 After-Sales Service company provides the "repair, replacement and return warranties" ("3Rs-Warranty") service to all its products strictly according to laws and regulations, and the warranty period is one year. We do not directly provide the return and replacement services. If you find any quality problem when using our products, please contact your local distributors as soon as possible for timely replacement. The after-sales service is not provided for the following cases:

1. The Fragile label is altered or torn up. 2. The product is damaged due to contact with liquid or water. 3. The cover or other components of the product are seriously distorted due to external forces. 4. The product is damaged due to improper operations or storage. 13 / 15 5. The product is damaged due to an accident or negligence. 6. The product is damaged due to commercial use of the product in abnormal conditions. 7. . Any other situations similar to the preceding ones. Tips 14 / 15 1. To extend the service life of the battery, you are advised to charge the earphone at least once a month. 2. Please use the charger provided by company to charge the earphone. Use of other low-quality chargers may bring about dangers. 3. Adjust the volume to an appropriate degree when using the earphone. 4. DO NOT wear the earphone when sleeping; otherwise, the earphone may be damaged or cause injuries to you. 5. When driving, you are advised to use the company Bluetooth earphone to ensure your driving safety. It is dangerous to directly use cell phones when driving. 6. Keep the earphone away from kids. Small components of the earphone may cause suffocation or other injuries to kids. 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 Changes or modifications not expressly approved by the party responsible for compliance could void the user's 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. FCC ID: YGK-T302A 15 / 15

FCC ID Label Location The product does not have enough space to place the label, and FCC ID label is reflected in the user manual, as below:

SHENZHEN ROMAN TECHNOLOGY CO., LTD. Agent Authorization Company: SHENZHEN ROMAN TECHNOLOGY CO., LTD. Address: Floor4, building, Fengmenao Industrial Park, Gangtou, shenzhen, China Product Name: Bluetooth Headset Model Number(s): T302A, T202, T202A, T202B, T202C, T202S, T203, T206, T301D, T301P, T302P, T306, T306A, T502, T502A, T502B, T502C, T502S Product Description: Bluetooth Headset 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:

Date: 2020-09-22 Name:

Yanhui Cao Company: SHENZHEN ROMAN TECHNOLOGY CO., LTD.

SHENZHEN ROMAN TECHNOLOGY CO., LTD. Sep.22, 2020 Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Subject: Explanation of differences between product types FCC ID : YGK-T302A Model Number: T302A, T202, T202A, T202B, T202C, T202S, T203, T206, T301D, T301P, T302P, T306, T306A, T502, T502A, T502B, T502C, T502S To Whom It May Concern:

We, The SHENZHEN ROMAN TECHNOLOGY CO., LTD. hereby declare that the model : T202, T202A, T202B, T202C, T202S, T203, T206, T301D, T301P, T302P, T306, T306A, T502, T502A, T502B, T502C, T502S is identical with the model :

T302A, except the model name. Except for the different above, no other modification is performed. Sincerely, Signature:

SHENZHEN ROMAN TECHNOLOGY CO., LTD. Contact person: Yanhui Cao

SHENZHEN ROMAN TECHNOLOGY CO., LTD. Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 2020-09-16 Subject; Request for Confidentiality FCC ID: YGK-T302A 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. 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 External Photos Test Setup Photos Internal Photos User Manual 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);

OR For 45 days, pursuant to Public Notice DA 04-1705. 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 SHENZHEN ROMAN TECHNOLOGY CO., LTD. Contact person: Yanhui Cao