2BK3J-LC-30Bluetooth headset

3. Operations 1. Welcome to your new ILOCKZONE headset We appreciate your choice of ILOCKZONE headset. Before use, please read this manual carefully,and keep for future reference to learn more and get support. 2. Important Safety Information Do not use the headset at a high volume for any extended period to prevent hearing damage. The LC-30 can be powered by built-in rechargeable battery, please charge the battery for at least 2 hours before first use. Removal of the battery in the headset shall NOT be conducted on your own. Do not expose the headset to moisture, extreme of prolonged heat, cold, humidity, or other adverse conditions. Clean the unit with a soft cloth or damp chamois leather. Never use solvents. Keep the headset, accessories and packaging parts out of reach of children to prevent accidents and choking hazards. Do not drop, crush, bend or apply excessive force to the device. Functional Guide MF Button Play/ Pause Bluetooth ON/OFF Answer/ Hang up Volume down/ Previous LED Indicator Tips: The volume of the headset can be adjusted via the headset button and your phone. If you still feel the volume is too low or too loud in one of these two ways, you can adjust it in another way to get the proper volume. Charging the Headset The built-in battery is rechargeable and please use the included Type-C cable to charge the headset by connecting to a USB port of your computer, powerbank or into an USB AC adapter(requires 5VDC) Turn off the headset before charging, while charging, the RED light stays on. Once fully charged, the red light will go off . Power On When the headset is off, press and hold the MF button about 3 seconds until you hear ‘power on’, and you will see the blue light stays on. Power Off When the headset is on, press and hold the MF button about 3 seconds until you hear ‘power off‘, and you will see red light flash, then go off. Pairing & Connection When the headset is off, press and hold the MF button about 3 sec unitl the blue & red light blinks alternately. The headset enters pairing mode. Turn on Bluetooth function of your device(phone) and select ‘search’ or ‘discovery’ devices, then select ‘ILOCKZONE LC-30 ’from the list, the headset will be connected to your phone. If requested, type the password or pin ‘0000’.. If the Bluetooth on your device(phone)remains on, the headset will be connected automatically when you restart it next time. No need to pair again. Answer/Reject/Hang up When a call is coming, press the MF button once to answer the call and press it again to end the call. When a call is coming, press and hold the MF button 2 seconds to reject the call. Volume Adjustment Make sure the headset is connected to your phone. Press the volume up‘+’ you will hear the volume going up. Press the volume down‘-’. you will hear the volume going down. Play/Pause Make sure the headset is connected to your phone. When playing music, Press the MF button once to pause, press again to play . Previous/Next Song Make sure the headset is connected to your phone. When playing music, Press and hold the volume up’+’ button to play next song, Press and hold the volume down‘-’ button to play previous song. 4. Specifications LC-30 Volume up/ Next Item : ANC Bluetooth Headphones Bluetooth specification : Bluetooth V5.4 Work voltage:3.7v Battery Capacity:800mAh Working time:＞100h Speaker diameter:φ40mm Speaker frequency range:20-20kHz Speaker impedance:32Ω Sensitive:115dB Charging time: 2.5h Charging Voltage:DC5V 1 2 3 4 5 6 ANC ON/OFF MIC Line IN ANC On When the headset is on, press the ANC ON/OFF you hear ‘anc on’, and you will see the green light stays on. ANC Off When the headset is on, press ANC ON/OFF you hear ‘anc off‘, and you will see green light will go off. User Manual Type-C Charging Port LED Indicator FCC Statement Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. 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 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. This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment.

Beijing Hongsheng Technology Co. , Ltd. U.S. Agent Designation for Service of Process (Applicant and U.S. Agent are Separate Parties) TO: Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046, USA ATTENTION: FCC Certification – Section 2.911(d)(7) Information Designated U.S. Agent Company Name: AOCE Corporation Inc. FRN: 0033401381 Contact Name: Johnson.wang Address: 6547 N Academy Bivd #2266, Colorado Springs, CO,80918 United States Telephone No: +1-346-582-5234 Email: [email protected] This letter is to confirm that we (“the Designated U.S. Agent) have accepted the responsibility to act as the Designated U.S. Agent for Service of Process as required by section 47 CFR 2.911(d)(7) on behalf of the Applicant noted below. U.S. Agent Signature: Date: 2024/9/19 Signed by (Printed Name/Title): The Applicant acknowledges that they must maintain an agent for no less than one year after terminating all marketing and importation OR the conclusion of any Commission-related proceeding involving the equipment. The applicant further acknowledges their responsibility to inform the FCC whenever the Designated U.S. Agent information above changes. Applicant Company name: Beijing Hongsheng Technology Co. , Ltd. Grantee Code: 2BK3J FCC ID: 2BK3J-LC-30 FRN: 0035939602 Contact Name: Lang HongJian Address: 101-37, 2nd Floor, Building 5, Yard 11, Xinyu 3rd Street, Tongzhou District, Beijing 100000, CN Telephone No: 18513585179 Email: [email protected] Applicant Signature: Date: 2024/9/19 Signed by (Printed Name/Title): Lang HongJian / general manager

Beijing Hongsheng Technology Co. , Ltd. 2024/9/19 Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: Attestation Statements Part 2.911(d)(5)(i) request for (FCC ID: 2BK3J-LC-30) [Beijing Hongsheng Technology Co. , Ltd.] (“the applicant”) 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. Sincerely, (Applicant signature) (Applicant printed name) Lang HongJian Beijing Hongsheng Technology Co. , Ltd. 2024/9/19 Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: Attestation Statements Part 2.911(d)(5)(ii) request for (FCC ID: 2BK3J-LC-30) [Beijing Hongsheng Technology Co. , Ltd.] (“the applicant”) 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. Sincerely, (Applicant signature) (Applicant printed name) Lang HongJian

Beijing Hongsheng Technology Co. , Ltd. 2024/9/19 Eurofins Electrical and Electronic Testing NA, Inc. 914 W. Patapsco Avenue Baltimore, MD 21230 USA RE: CONFIDENTIALITY REQUEST FOR EUT NAME: Bluetooth headset Trademark: N/A MODEL:LC-30, LC-20, LC-30pro, LC-40, LC-50, LC-60, LC-60Pro, LC-70, LC-80, LC-90 FCC ID: 2BK3J-LC-30 To Whom It May Concern: This letter serves as an official request for confidentiality under sections 0.457 and 0.459 of CFR 47. We have requested that the - Block Diagram - Schematics - Operational Description required to be submitted with this application be permanently withheld from public review. 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. Please contact me if there is any information you may need. Sincerely, Client’s signature: Client’s name / title: Lang HongJian / general manager Contact information / address: 101-37, 2nd Floor, Building 5, Yard 11, Xinyu 3rd Street, Tongzhou District, Beijing 100000, CN

Beijing Hongsheng Technology Co. , Ltd. 2024/9/19 Eurofins Electrical and Electronic Testing NA, Inc. 914 W. Patapsco Avenue Baltimore, MD 21230 USA RE: LETTER OF AGENT AUTHORIZATION EUT NAME: Bluetooth headset Trademark: N/A MODEL:LC-30, LC-20, LC-30pro, LC-40, LC-50, LC-60, LC-60Pro, LC-70, LC-80, LC-90 FCC ID: 2BK3J-LC-30 To Whom It May Concern: We, the undersigned, hereby authorize Shenzhen BCTC Testing Co., Ltd to act on our behalf in all matters relating to application for equipment authorization, including the signing of all documents relating to these matters. We also hereby certify that no party to the application authorized hereunder is subject to the denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C.853(a). This agreement expires one year from the current date. Sincerely, Client’s signature: Client’s name / title: Lang HongJian / general manager Contact information / address: 101-37, 2nd Floor, Building 5, Yard 11, Xinyu 3rd Street, Tongzhou District, Beijing 100000, CN

Beijing Hongsheng Technology Co. , Ltd. 2024/9/19 EUT NAME: Bluetooth headset Trademark: N/A MODEL:LC-30, LC-20, LC-30pro, LC-40, LC-50, LC-60, LC-60Pro, LC-70, LC-80, LC-90 FCC ID: 2BK3J-LC-30 All the model are the same circuit and RF module, except model names. Sincerely Client’s signature: Client’s name / title: Lang HongJian / general manager Contact information / address: 101-37, 2nd Floor, Building 5, Yard 11, Xinyu 3rd Street, Tongzhou District, Beijing 100000, CN

External Photos

Size:20*7mm FCC ID: 2BK3J-LC-30 Label location

Internal Photos Antenna

FCC ID: 2BK3J-LC-30 RF exposure evaluation §2.1093 Radiofrequency radiation exposure evaluation: Portable Devices. According to§15.247(i) and§1.1307b(1), systems operating under the provisions of this section shall be operated in a manner that ensures that the public is not exposed to radio frequency energy level in excess of the commission’s guidance. The 1-g SAR test exclusion thresholds for 100 MHz to 6 GHz at test separation distances ≤ 50 mm are determined by: [(max. power of channel, including tune-up tolerance, mW) / (min. test separation distance, mm)] · [√f(GHz)] ≤ 3.0 for 1-g SAR, where  f(GHz) is the RF channel transmit frequency in GHz  Power and distance are rounded to the nearest mW and mm before calculation  When the minimum test separation distance is < 5 mm, a distance of 5 mm according is applied to determine SAR test exclusion.  The result is rounded to one decimal place for comparison  GFSK Modulation Frequency (GHz) Max. Power (dBm) Max. Tune up Power (dBm) Max. Tune up Power (mW) Test distance (mm) Result exclusion thresholds for 1-g SAR GFSK 2.480 -0.55 -0.5 0.89 5 0.28 3.0 Conclusion: For the max result: 0.28W/Kg ≤ FCC Limit 3.0 for 1g SAR.

Dimension (mm) 2.4GHz ANT-S-L Antenna Material: Copper Operating frequency: 2.4GHz-2.5GHz Mode: Single pole single feed Antenna type: Internal antenna Central frequency point: 2.45GHz Loop (echo) loss: -6.8 (Max) Db Gain value: 3.87dBi Impedance: 50 Ohm Ambient temperature: -40 ~ +85 °C Maximum power: 4 W Corporation: Beijing Hongsheng Technology Co. , Ltd. Address: 101-37, 2nd Floor, Building 5, Yard 11, Xinyu 3rd Street, Tongzhou District, Beijing 100000, CN Design pattern Measurement results: Radiation field type: 2400MHz -Efficiency:62.15 % Peak Gain: 2.74 dBi Directivity: 5.91 dBi 2450MHz -Efficiency:68.90 % Peak Gain: 3.87 dBi Directivity: 6.28 dBi 2500MHz -Efficiency:54.27 % Peak Gain: 2.16 dBi Directivity: 5.60 dBi

No.：BCTC/RF-EMC-005 Page: 1 of 85 Edition：B.2 TEST REPORT Shenzhen BCTC Testing Co., Ltd. Report No.: BCTC2409370349E Applicant: Beijing Hongsheng Technology Co. , Ltd. Product Name: Bluetooth headset Test Model: LC-30 Tested Date: 2024-09-06 to 2024-09-13 Issued Date: 2024-09-13 Report No.: BCTC2409370349E No.：BCTC/RF-EMC-005 Page: 2 of 85 Edition：B.2 FCC ID: 2BK3J-LC-30 The test report is effective only with both signature and specialized stamp.This result(s) shown in this report refer only to the sample(s) tested. Without written approval of Shenzhen BCTC Testing Co., Ltd, this report can’t be reproduced except in full.The tested sample(s) and the sample information are provided by the client. Product Name: Bluetooth headset Trademark: N/A Model/Type Reference: LC-30 LC-20, LC-30pro, LC-40, LC-50, LC-60, LC-60Pro, LC-70, LC-80, LC-90 Prepared For: Beijing Hongsheng Technology Co. , Ltd. Address: 101-37, 2nd Floor, Building 5, Yard 11, Xinyu 3rd Street, Tongzhou District, Beijing 100000, CN Manufacturer: Beijing Hongsheng Technology Co. , Ltd. Address: 101-37, 2nd Floor, Building 5, Yard 11, Xinyu 3rd Street, Tongzhou District, Beijing 100000, CN Prepared By: Shenzhen BCTC Testing Co., Ltd. Address: 1-2/F., Building B, Pengzhou Industrial Park, No.158, Fuyuan 1st Road, Zhancheng, Fuhai Subdistrict, Bao'an District, Shenzhen, Guangdong, China Sample Received Date: 2024-09-06 Sample Tested Date: 2024-09-06 to 2024-09-13 Issue Date: 2024-09-13 Report No.: BCTC2409370349E Test Standards: FCC Part15.247 ANSI C63.10-2013 Test Results: PASS Remark: This is Bluetooth Classic radio test report. Tested by: Approved by: Min Zhi Cheng/ Project Handler Zero Zhou/Reviewer Report No.: BCTC2409370349E No.：BCTC/RF-EMC-005 Page: 3 of 85 Edition：B.2 Table Of Content Test Report Declaration Page 1. Version .................................................................................................................. 5 2. Test Summary ....................................................................................................... 6 3. Measurement Uncertainty ..................................................................................... 7 4. Product Information And Test Setup ..................................................................... 8 4.1 Product Information ............................................................................................... 8 4.2 Test Setup Configuration ...................................................................................... 9 4.3 Support Equipment ............................................................................................... 9 4.4 Channel List ........................................................................................................ 10 4.5 Test Mode ........................................................................................................... 10 4.6 Table Of Parameters Of Text Software Setting ................................................... 10 5. Test Facility And Test Instrument Used ............................................................... 11 5.1 Test Facility ......................................................................................................... 11 5.2 Test Instrument Used .......................................................................................... 11 6. Conducted Emissions .......................................................................................... 13 6.1 Block Diagram Of Test Setup .............................................................................. 13 6.2 Limit .................................................................................................................... 13 6.3 Test procedure .................................................................................................... 13 6.4 EUT operating Conditions ................................................................................... 13 6.5 Test Result .......................................................................................................... 14 7. Radiated emissions ............................................................................................. 16 7.1 Block Diagram Of Test Setup .............................................................................. 16 7.2 Limit .................................................................................................................... 17 7.3 Test procedure .................................................................................................... 18 7.4 EUT operating Conditions ................................................................................... 19 7.5 Test Result .......................................................................................................... 19 8. Radiated Band Emission Measurement And Restricted Bands Of Operation ..... 25 8.1 Block Diagram Of Test Setup .............................................................................. 25 8.2 Limit .................................................................................................................... 25 8.3 Test procedure .................................................................................................... 26 8.4 EUT operating Conditions ................................................................................... 26 8.5 Test Result .......................................................................................................... 27 9. Spurious RF Conducted Emissions ..................................................................... 28 9.1 Block Diagram Of Test Setup .............................................................................. 28 9.2 Limit .................................................................................................................... 28 9.3 Test procedure .................................................................................................... 28 9.4 Test Result ............…

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Report No.: BCTC2409370349E No.：BCTC/RF-EMC-005 Page: 57 of 85 Edition：B.2 Test Graphs Power NVNT 1-DH1 2402MHz Power NVNT 1-DH1 2441MHz Report No.: BCTC2409370349E No.：BCTC/RF-EMC-005 Page: 58 of 85 Edition：B.2 Power NVNT 1-DH1 2480MHz Power NVNT 2-DH1 2402MHz Report No.: BCTC2409370349E No.：BCTC/RF-EMC-005 Page: 59 of 85 Edition：B.2 Power NVNT 2-DH1 2441MHz Power NVNT 2-DH1 2480MHz Report No.: BCTC2409370349E No.：BCTC/RF-EMC-005 Page: 60 of 85 Edition：B.2 Power NVNT 3-DH1 2402MHz Power NVNT 3-DH1 2441MHz Report No.: BCTC2409370349E No.：BCTC/RF-EMC-005 Page: 61 of 85 Edition：B.2 Power NVNT 3-DH1 2480MHz Report No.: BCTC2409370349E No.：BCTC/RF-EMC-005 Page: 62 of 85 Edition：B.2 12. Hopping Channel Separation 12.1 Block Diagram Of Test Setup 12.2 Limit Frequency hopping systems shall have hopping channel carrier frequencies separated by a minimum of 25 kHz or the 20 dB bandwidth of the hopping channel, whichever is greater. Alternatively, frequency hopping systems operating in the 2400-2483.5 MHz band may have hopping channel carrier frequencies that are separated by 25 kHz or two-thirds of the 20 dB bandwidth of the hopping channel, whichever is greater, provided the systems operate with an output power no greater than 0.125W. 12.3 Test procedure 1. Remove the antenna from the EUT and then connect a low RF cable from the antenna port to the spectrum. 2. Set the spectrum analyzer: RBW = 30kHz. VBW = 100kHz , Span = 2.0MHz. Sweep = auto; Detector Function = Peak. Trace = Max hold. 3. Allow the trace to stabilize. Use the marker-delta function to determine the separation between the peaks of the adjacent channels. The limit is specified in one of the subparagraphs of this Section Submit this plot. 12.4 Test Result Mode Test Channel Separation (MHz) Limit (MHz) Result 1-DH1 Low 1.002 0.543 PASS 1-DH1 Middle 1.000 0.592 PASS 1-DH1 High 1.002 0.579 PASS 2-DH1 Low 1.000 0.766 PASS 2-DH1 Middle 1.000 0.787 PASS 2-DH1 High 1.000 0.785 PASS 3-DH1 Low 1.002 0.786 PASS 3-DH1 Middle 1.000 0.789 PASS 3-DH1 High 1.004 0.793 PASS Report No.: BCTC2409370349E No.：BCTC/RF-EMC-005 Page: 63 of 85 Edition：B.2 Test Graphs CFS NVNT 1-DH1 2402MHz CFS NVNT 1-DH1 2441MHz Report No.: BCTC2409370349E No.：BCTC/RF-EMC-005 Page: 64 of 85 Edition：B.2 CFS NVNT 1-DH1 2480MHz CFS NVNT 2-DH1 2402MHz Report No.: BCTC2409370349E No.：BCTC/RF-EMC-005 Page: 65 of 85 Edition：B.2 CFS NVNT 2-DH1 2441MHz CFS NVNT 2-DH1 2480MHz Report No.: BCTC2409370349E No.：BCTC/RF-EMC-005 Page: 66 of 85 Edition：B.2 CFS NVNT 3-DH1 2402MHz CFS NVNT 3-DH1 2441MHz Report No.: BCTC2409370349E No.：BCTC/RF-EMC-005 Page: 67 of 85 Edition：B.2 CFS NVNT 3-DH1 2480MHz Report No.: BCTC2409370349E No.：BCTC/RF-EMC-005 Page: 68 of 85 Edition：B.2 13. Number Of Hopping Frequency 13.1 Block Diagram Of Test Setup 13.2 Limit Frequency hopping systems in the 2400-2483.5 MHz band shall use at least 15 channels. 13.3 Test procedure 1. Remove the antenna from the EUT and then connect a low RF cable from the antenna port to the spectrum. 2. Set the spectrum analyzer: RBW = 100kHz. VBW = 300kHz. Sweep = auto; Detector Function = Peak. Trace = Max hold. 3. Allow the trace to stabilize. It may prove necessary to break the span up to sections. in order to clearly show all of the hopping frequencies. The limit is specified in one of the subparagraphs of this Section. 4. Set the spectrum analyzer: Start Frequency = 2.4GHz, Stop Frequency = 2.4835GHz. Sweep=auto; 13.4 Test Result Condition Mode Hopping Number Limit Verdict NVNT 1-DH1 79 15 Pass NVNT 2-DH1 79 15 Pass NVNT 3-DH1 79 15 Pass Report No.: BCTC2409370349E No.：BCTC/RF-EMC-005 Page: 69 of 85 Edition：B.2 Test Graphs Hopping No. NVNT 1-DH1 2441MHz Hopping No. NVNT 2-DH1 2441MHz Report No.: BCTC2409370349E No.：BCTC/RF-EMC-005 Page: 70 of 85 Edition：B.2 Hopping No. NVNT 3-DH1 2441MHz Report No.: BCTC2409370349E No.：BCTC/RF-EMC-005 Page: 71 of 85 Edition：B.2 14. Dwell Time 14.1 Block Diagram Of Test Setup 14.2 Limit Frequency hopping systems in the 2400-2483.5 MHz band shall use at least 15 channels. The average time of occupancy on any channel shall not be greater than 0.4 seconds within a period of 0.4 seconds multiplied by the number of hopping channels employed. Frequency hopping systems may avoid or suppress transmissions on a particular hopping frequency provided that a minimum of 15 channels are used. 14.3 Test procedure 1. Remove the antenna from the EUT and then connect a low RF cable from the antenna port to the spectrum. 2. Set spectrum analyzer span = 0. Centred on a hopping channel; 3. Set RBW = 1MHz and VBW = 3MHz.Sweep = as necessary to capture the entire dwell time per hopping channel. Set the EUT for DH5, DH3 and DH1 packet transmitting. 4. Use the marker-delta function to determine the dwell time. If this value varies with different modes of operation (e.g.. data rate. modulation format. etc.). repeat this test for each variation. The limit is specified in one of the subparagraphs of this Section. Submit this plot(s). 14.4 Test Result Mode Frequency (MHz) Pulse Time (ms) Total Dwell Time (ms) Burst Count Period Time (ms) Limit (ms) Verdict 1-DH1 2441 0.407 128.612 316 31600 400 Pass 1-DH3 2441 1.663 264.417 159 31600 400 Pass 1-DH5 2441 2.910 279.360 96 31600 400 Pass 2-DH1 2441 0.416 132.288 318 31600 400 Pass 2-DH3 2441 1.669 288.737 173 31600 400 Pass 2-DH5 2441 2.917 306.285 105 31600 400 Pass 3-DH1 2441 0.416 131.040 315 31600 400 Pass 3-DH3 2441 1.666 263.228 158 31600 400 Pass 3-DH5 2441 2.918 280.128 96 31600 400 Pass Note: Total Dwell Time (ms) = Pulse Time (ms)*Burst Count Report No.: BCTC2409370349E No.：BCTC/RF-EMC-005 Page: 72 of 85 Edition：B.2 Test Graphs Dwell NVNT 1-DH1 2441MHz One Burst Dwell NVNT 1-DH1 2441MHz Accumulated Report No.: BCTC2409370349E No.：BCTC/RF-EMC-005 Page: 73 of 85 Edition：B.2 Dwell NVNT 1-DH3 2441MHz One Burst Dwell NVNT 1-DH3 2441MHz Accumulated Report No.: BCTC2409370349E No.：BCTC/RF-EMC-005 Page: 74 of 85 Edition：B.2 Dwell NVNT 1-DH5 2441MHz One Burst Dwell NVNT 1-DH5 2…

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Report No.: BCTC2409370349E No.：BCTC/RF-EMC-005 Page: 83 of 85 Edition：B.2 17. EUT Test Setup Photographs Conducted emissions Report No.: BCTC2409370349E No.：BCTC/RF-EMC-005 Page: 84 of 85 Edition：B.2 Radiated Measurement Photos