FCC ID: YGK-J205 Bluetooth receiver

J205 Bluetooth Transmitter And Receiver User Manual Welcome Thank you for choosing us. Our product has a fashionable design, powerful functions, and high compatibility, providing you with true hands-free convenience when making calls and listening to music! It is your best choice in office and during traveling and driving!

Bluetooth Wireless Technology With the bluetooth wireless technology, you can connect the Bluetooth receiver to relative compatible communication devices without cables. The bluetooth wireless connection allows you to use a cell phone without holding it face to the Bluetooth receiver, but the maximum distance between them shall within10 meters (about 30 feet). The bluetooth wireless connection may be interfered by obstacles (such as walls) or other electronic devices. The product is compliant with the Bluetooth versionV4.2/ V4.1/V4.0/V3.0/2.1+EDR (Enhanced Data Rate), and supports the following profiles: Headset Profile 1.1/1.2 and Hands-free profile1.5/1.6, A2DP/AVRCP. Check with the manufacturers of other devices to determine whether the device is compatible with the headset. In some areas, maybe there are some limitations to use bluetooth wireless technology. Please consult your local authority or service provider for details. 1 / 8 Quick Start Fully charge the Bluetooth receiver before using. For charging details, please refer to "Charger and Battery" in this manual. Meanwhile, choose the compatible cell phone or other bluetooth devices for pairing. For details about pairing, please refer to "Basic Operations". Tips: Keep the product away from your credit card or other magnetic storage media; otherwise, the stored information may be lost due to demagnetization. Power on and pairing: Turn up the toggle switch, white LED light flashing,then the headset enters into paring mode automatically.pairing times out 5 min, the headset is powered off automatically. Basic Operations Connecting: Search for the pairing target name on your mobile phone, tap Connect. Connected Standby: White LED lights are always on. Automatic reconnection: When powered on, the headset is automatically connected with the Bluetooth device that the headset has previously paired with. 2 / 8 Pause playing: Press the MFB key to pause the music; press it again to play the music.White LED lights are always on. Disconnect: Turn off or disconnect Bluetooth on mobile phone or Bluetooth device,then the Receiver automatically enters the pairing state,white LED light flashing. Power Off: When the headset is in any state, push the toggle switch downward. the White LED light off. Force to enter pairing mode: In the standby state,press and hold the MFB key for about 2 seconds, disconnect Bluetooth,white LED light flashing,then automatically enters the pairing state. ChargingRed LED lights are always on. Full of electricityWhite LED lights are always on. Clear the pairing record: Connect the headset to a charger, Press the MFB button for about 5 seconds,the indicator blinks red for three times. 3 / 8 Multi-point Function Operating: Using the paring way to connect with Phone A, then turn off the Phone A Bluetooth function and turn off the headset as the same. Then continued to use the paring way to connect with Phone B, and turn on the Phone A Bluetooth function, the Phone A will be connected with headset automatically. (The phone should have the automatic return function) Charger and Battery Before using any charger to charge this product, 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 product. Warning: Only use the recommended charger if possible. Other chargers may violate the warranty terms of the equipment and results in danger. If the charging cable is delivered with the headset, connect the cable to a CCC-certified charger or computer to charge the headset. Charging the Battery The product is embedded with non-removable charging battery. Do not attempt to remove the battery from the product;

otherwise, the product may be damaged. If the product is not used in a long time, keep it in a dry and well-ventilated place, and charge the product once every two months. 1. If the red indicator blinks with low-voltage beep, the Bluetooth receiver battery is low. If the product continues to work, it may be automatically powered off. At this time, you need to charge the product by connecting the cable of the charger to the charging port on the product. 2. Connect the charger to an AC power socket. 4 / 8 The red indicator is on when the product is being charged. If the charging is not started yet, disconnect the product from the power socket, and reconnect the product again. It takes about 2 hours to fully charge the product. After battery charging is completed, white LED lights are always on. At this time, you can disconnect the charger from the power socket and Bluetooth receiver. A fully charged battery can provide about 11.5 hours of music time, or 80 hours of standby time. The actual music time and standby time may vary with different cell phones, settings, use methods, and environment. 3. 4. 5 / 8 Problem Description Cause Solution Troubleshooting The battery is exhausted. Use the charger to fully charge the battery. Power on function is failed. 1.Time of holding down MFB button is too short. 1.Press the MFB button again. 2.Turn the toggle switch again. 2.Toggle switch is not in right position. The charging port is not properly connected. Charging function is failed. Reconnect the charging port. Power off function is failed. The product program is in error due to an incorrect operation. Use the charger to charge and reset the headset. The headset cannot be searched or pairing fails. The product does not enter into the pairing state. Enable the product to enter into the pairing state. The bluetooth application of the cell phone is in error. Close the cell phone and start again to pair the cell phone with the headset. 6 / 8 After-Sales Service We provide the "repair, replacement and return warranties" ("3Rs-Warranty") service to all products strictly according to national 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. 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 / 8 7.Any other situations similar to the preceding ones. 1.To extend the service life of the battery, you are advised to charge the Bluetooth Receiver at least once a month. 2.Please use the charger provided by company to charge the product. Use of other low-quality chargers may bring about dangers. 3.Keep the product away from kids. Small components of the product may cause suffocation or other injuries to kids. Tips 8 / 8 FCC Caution 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 used in portable exposure condition without restriction.

(SHENZHEN ROMAN TECHNOLOGY CO., LTD.) Federal Communications Commission Authorization and Evaluation Division Confidentiality Request regarding application for certification of FCC ID:

YGK-J205 Pursuant to Sections 0.457 and 0.459 of the Commissions Rules, we hereby request confidential treatment of information accompanying this application as outlined below:

Exhibit Type Block Diagram, Schematics, Operational Description File Name Block Diagram Schematics Operational Description 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,

(Yanhui Cao) Rev 11/20/07

SHENZHEN ROMAN TECHNOLOGY CO., LTD. Model Difference 2021/03.04 EUT NAME:Bluetooth receiver FCC ID:YGK-J205 MODEL :J205 60343073696 All the model are the same circuit and RF module, except model names and color. Regards Sincerely Clients signature Clients name / title :Yanhui Cao (Manager) Contact information / address: Floor4, buildingC, Fengmenao Industrial Park, Gangtou Shenzhen, China

(SHENZHEN ROMAN TECHNOLOGY CO., LTD.) Federal Communications Commission Authorization and Evaluation Division 1435 Oakland Mills Road Columbia, MD 21046 Date: 2021.3.4 SUBJECT: FCC Application for FCC ID: YGK-J205 To Whom It May Concern:

We, the undersigned, hereby authorize Alan Mei at Shenzhen BCTC Testing Co., Ltd. on our behalf, to apply to the Federal Communications Commission on our equipment. Any and all acts carried out by Alan Mei of Shenzhen BCTC Testing Co., Ltd. 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, the applicant, 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. Regards,

(Yanhui Cao)