2APR7-P11Bluetooth keyboard

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: that to which the receiver is connected. help. FCC Radiation Exposure Statement The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction. Bluetooth keyboard

Attestation Statements (2023/12/8) 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: 2APR7-P11) Dong Guan BlueFinger Electronics Co.,LTD, the undersigned, hereby authorize Ottui INC. to act as our designated U.S. agent for service of process, Dong Guan BlueFinger Electronics 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. Ottui INC. accepts the responsibility to act as designated U.S. agent for service of process. Applicant Information： Company Name: Dong Guan BlueFinger Electronics Co.,LTD Address: No.2 NO.2 Baotang Road, Jinglian Community, Qiaotou Town, DongGuan, China Contact Name: Dawen Zhu FRN: 0027513027 Telephone No: 13509691810 Email: [email protected] Signature [Dawen Zhu] U.S. Agent Information: Company Name: Ottui INC. Address: 7227 Telegraph Rd, Montebello, California, 90640, United States of America Contact Name: CHEN HU FRN: 0034734210 Telephone No: (+1)8045790626 Email: [email protected] Signature [CHEN HU]

(Dong Guan BlueFinger Electronics Co.,LTD) (2024.1.4) 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: 2APR7-P11) [Dong Guan BlueFinger Electronics 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) Dawen Zhu (Dong Guan BlueFinger Electronics Co.,LTD) (2024.1.4) 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: 2APR7-P11) [Dong Guan BlueFinger Electronics 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) Dawen Zhu

Dong Guan BlueFinger Electronics Co.,LTD 2024.1.4 Eurofins Electrical and Electronic Testing NA, Inc. 914 W. Patapsco Avenue Baltimore, MD 21230 USA RE: LETTER OF AGENT AUTHORIZATION 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 : Dawen Zhu / Manager Contact information / address: NO.2 Baotang Road, Jinglian Community, Qiaotou Town, DongGuan, China

Dong Guan BlueFinger Electronics Co.,LTD 2024.1.4 Eurofins Electrical and Electronic Testing NA, Inc. 914 W. Patapsco Avenue Baltimore, MD 21230 USA RE: CONFIDENTIALITY REQUEST FOR EUT NAME: Bluetooth keyboard Trademark: N/A MODEL: P11, P129, P83 FCC ID: 2APR7-P11 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 : Dawen Zhu / Manager Contact information / address: NO.2 Baotang Road, Jinglian Community, Qiaotou Town, DongGuan, China

Dong Guan BlueFinger Electronics Co.,LTD Model Difference 2024/1/4 EUT NAME: Bluetooth keyboard Trademark: N/A MODEL: P11, P129, P83 FCC ID: 2APR7-P11 All the models are the same circuit and RF module, except model number and appearance color. Regards Sincerely Client’s signature: Client’s name / title : Dawen Zhu / Manager Contact information / address: NO.2 Baotang Road, Jinglian Community, Qiaotou Town, DongGuan, China

External Photos

10mm 居 中 50.2mm 23mm 60mm 34mm 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.

Internal Photos Antenna

RF EXPOSURE EVALUATION METHOD FCC ID: 2APR7-P11 Applicable standard： In accordance with FCC 47 CFR part 2 (2.1093) this device has been defined as a portable device which is defined as a transmitting device designed to be used so that the radiating structure(s) of the device is/are within 20 centimeters of the body of the user. Portable devices must be evaluated using the specified in FCC 47 CFR part 2 (2.1093) and ANSI/IEEEC95.1-1992. and had been tested in accordance with the measurement methods and procedures specified in IEEE 1528-2003. Per FCC KDB 447498 D01 v06, the 1-g and 10-g SAR test exclusion thresholds for 100 MHz to 6 GHz at test separation distances s 50 mm are determined by: SAR Test Exclusion Thresholds for 100 MHz – 6 GHz and ≤ 50 mm Approximate SAR Test Exclusion Power Thresholds at Selected Frequencies and Test Separation Distances are illustrated in the following Table. The 1-g and 10-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 and ≤ 7.5 for 10-g extremity 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 The result is rounded to one decimal place for comparison The test exclusions are applicable only when the minimum test separation distance is ≤ 50 mm and for transmission frequencies between 100 MHz and 6 GHz. When the minimum test separation distance is < 5 mm, a distance of 5 mm is applied to determine SAR test exclusion. Mode Frequency(MHz) Maximum Conducted Output Power(PK) (dBm) Conducted Output Power Limit(dBm) GFSK(1Mbps) 2402 -0.53 30 2440 -0.54 30 2480 -0.44 30 GFSK(2Mbps) 2402 -0.50 30 2440 -0.56 30 2480 -0.45 30 max possible output power (PK, conducted)：0±1dBm 1dBm=1.26mW 2402MHz [(max. power of channel, including tune-up tolerance, mW)/(min. test separation distance,mm)] · [√f(GHz)]= 1.26/5*√2.402=0.391≤3.0 2440MHz [(max. power of channel, including tune-up tolerance, mW)/(min. test separation distance,mm)] · [√f(GHz)]= 1.26/5*√2.440=0.394≤3.0 2480MHz [(max. power of channel, including tune-up tolerance, mW)/(min. test separation distance,mm)] · [√f(GHz)]= 1.26/5*√2.48=0.397≤3.0

UCI CENTER FOR RF DESI GN AND CHARACTERIZATION Report for Broadcom By Alfred Grau UCI CENTER FOR RF DESI GN AND CHARACTERIZATION Tested Products.• Antenna 1: integrated antenna. • Frequency = 2.402GHz. • Frequency = 2.441GHz. • Frequency = 2.480GHz. UCI CENTER FOR RF DESI GN AND CHARACTERIZATION Coordinate System Reference: Antenna 1. Top view Side view Z Y X Front view Front viewRear view SMA connector X Z Y UCI CENTER FOR RF DESI GN AND CHARACTERIZATION Radiation pattern: Antenna 1. XZ Plane at f = 2.402GHz Co-cross polarization field (dBi) Solid line: vertical polarizationDash line: horizontal polarization Total field (dBi) 0 45 90 135 180 225 270 315 0 0 -5 -5 -10 -10 -15 -15 -20 -20 -25 -25 -30 -30 -35 0 45 90 135 180 225 270 315 0 0 -5 -5 -10 -10 -15 UCI CENTER FOR RF DESI GN AND CHARACTERIZATION Radiation pattern: Antenna 1. YZ Plane at f = 2.402GHz Co-cross polarization field (dBi) Solid line: vertical polarizationDash line: horizontal polarization Total field (dBi) 0 45 90 135 180 225 270 315 0 0 -5 -5 -10 -10 -15 -15 -20 -20 -25 -25 -30 -30 -35 0 45 90 135 180 225 270 315 0 0 -5 -5 -10 -10 -15 UCI CENTER FOR RF DESI GN AND CHARACTERIZATION Radiation pattern: Antenna 1. XY Plane at f = 2.402GHz Co-cross polarization field (dBi) Solid line: vertical polarizationDash line: horizontal polarization Total field (dBi) 0 45 90 135 180 225 270 315 0 0 -5 -5 -10 -10 -15 -15 -20 -20 -25 -25 -30 -30 -35 0 45 90 135 180 225 270 315 0 0 -5 -5 -10 -10 -15 UCI CENTER FOR RF DESI GN AND CHARACTERIZATION Radiation pattern: Antenna 1. XZ Plane at f = 2.441GHz Co-cross polarization field (dBi) Solid line: vertical polarizationDash line: horizontal polarization Total field (dBi) 0 45 90 135 180 225 270 315 0 0 -5 -5 -10 -10 -15 -15 -20 -20 -25 -25 -30 -30 -35 0 45 90 135 180 225 270 315 0 0 -5 -5 -10 -10 -15 UCI CENTER FOR RF DESI GN AND CHARACTERIZATION Radiation pattern: Antenna 1. YZ Plane at f = 2.441GHz Co-cross polarization field (dBi) Solid line: vertical polarizationDash line: horizontal polarization Total field (dBi) 0 45 90 135 180 225 270 315 0 0 -5 -5 -10 -10 -15 -15 -20 -20 -25 -25 -30 -30 -35 0 45 90 135 180 225 270 315 0 0 -5 -5 -10 -10 -15 UCI CENTER FOR RF DESI GN AND CHARACTERIZATION Radiation pattern: Antenna 1. XY Plane at f = 2.441GHz Co-cross polarization field (dBi) Solid line: vertical polarizationDash line: horizontal polarization Total field (dBi) 0 45 90 135 180 225 270 315 0 0 -5 -5 -10 -10 -15 -15 -20 -20 -25 -25 -30 -30 -35 0 45 90 135 180 225 270 315 0 0 -5 -5 -10 -10 -15 UCI CENTER FOR RF DESI GN AND CHARACTERIZATION Radiation pattern: Antenna 1. XZ Plane at f = 2.480GHz Co-cross polarization field (dBi) Solid line: vertical polarizationDash line: horizontal polarization Total field (dBi) 0 45 90 135 180 225 270 315 0 0 -5 -5 -10 -10 -15 -15 -20 -20 -25 -25 -30 -30 -35 0 45 90 135 180 225 270 315 0 0 -5 -5 -10 -10 -15 UCI CENTER FOR RF DESI GN AND CHARACTERIZATION Radiation pattern: Antenna 1. YZ Plane at f = 2.480GHz Co-cross polarization field (dBi) Solid line: vertical polarizationDash line: horizontal polarization Total field (dBi) 0 45 90 135 180 225 270 315 0 0 -5 -5 -10 -10 -15 -15 -20 -20 -25 -25 -30 -30 -35 0 45 90 135 180 225 270 315 0 0 -5 -5 -10 -10 -15 UCI CENTER FOR RF DESI GN AND CHARACTERIZATION Radiation pattern: Antenna 1. XY Plane at f = 2.480GHz Co-cross polarization field (dBi) Solid line: vertical polarizationDash line: horizontal polarization Total field (dBi) 0 45 90 135 180 225 270 315 0 0 -5 -5 -10 -10 -15 -15 -20 -20 -25 -25 -30 -30 -35 0 45 90 135 180 225 270 315 0 0 -5 -5 -10 -10 -15 UCI CENTER FOR RF DESI GN AND CHARACTERIZATION Return Loss: Antenna 1 BW(-10dB) ¡ 13.48% 2 2.2 2.4 2.6 2.8 3 Frequency (GHz) -16-14-12-10 -8-6-4-2 R e t u r n L o s s ( d B ) UCI CENTER FOR RF DESI GN AND C HAR ACTERI ZATION Meas ur emen ts summar y Fre que ncy (GHz) Plane Return Loss (dB ) Polarization Gain max. (dBi) θ for Gain max. φ for Gain max. Antenna 1 2.402 XZ -10 .90 Vertical -7.8 290 2.402 XZ -10 .90 Horizontal 0.786 182 2.402 YZ -10 .90 Vertical 1.21 226 2.402 YZ -10 .90 Horizontal -7. 75 10 0 2 4 . 5 1 - l a c i t r e V 0 9 . 0 1 - Y X 2 0 4 . 2 0 8 1 3 9 . 0 l a t n o z i r o H 0 9 . 0 1 - Y X 2 0 4 . 22.441 XZ -12 .20 Vertical -7. 36 318 2.441 XZ -12 .20 Horizontal 1.32 180 2.441 YZ -12 .20 Vertical 0.981 204 2.441 YZ -12 .20 Horizontal -8. 23 24 4 1 - 1 . 4 1 - l a c i t r e V 0 2 . 2 1 - Y X 1 4 4 . 2 0 8 1 4 7 . 1 l a t n o z i r o H 0 2 . 2 1 - Y X 1 4 4 . 2 2.48 XZ -13 .80 Vertical -7. 95 312 2.48 XZ -13 .80 Horizontal 1.81 186 2.48 YZ -13 .80 Vertical 0.204 214 8 8 3 . 8 - l a t n o z i r o H 0 8 . 3 1 - Z Y 8 4 . 2 2 1 8 . 5 1 - l a c i t r e V 0 8 . 3 1 - Y X 8 4 . 2 0 8 1 7 8 . 1 l a t n o z i r o H 0 8 . 3 1 - Y X 8 4 . 2 3mm 12mm Dongguan Bluefinger Electronics Co., LTD No.2 Baotang Rd. Jinglian Community ,523538, Dongguan, Guangdong, China

No.：BCTC/RF-EMC-005 Page: 1 of 53 Edition：B.1 TEST REPORT Shenzhen BCTC Testing Co., Ltd. Report No.: BCTC2312169736E Applicant: Dong Guan BlueFinger Electronics Co.,LTD Product Name: Bluetooth keyboard Test Model: P11 Tested Date: 2023-12-08 to 2023-12-12 Issued Date: 2023-12-13 Report No.: BCTC2312169736E No.：BCTC/RF-EMC-005 Page: 2 of 53 Edition：B.1 FCC ID: 2APR7-P11 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 keyboard Trademark: N/A Model/Type Reference: P11 P129, P83 Prepared For: Dong Guan BlueFinger Electronics Co.,LTD Address: NO.2 Baotang Road, Jinglian Community, Qiaotou Town, DongGuan, China Manufacturer: Dong Guan BlueFinger Electronics Co.,LTD Address: NO.2 Baotang Road, Jinglian Community, Qiaotou Town, DongGuan, China 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: 2023-12-08 Sample Tested Date: 2023-12-08 to 2023-12-12 Issue Date: 2023-12-13 Report No.: BCTC2312169736E Test Standards: FCC Part15.247 ANSI C63.10-2013 Test Results: PASS Remark: This is Bluetooth BLE radio test report. Tested by: Approved by: Shanshan. Zhang / Project Handler Zero Zhou/Reviewer Report No.: BCTC2312169736E No.：BCTC/RF-EMC-005 Page: 3 of 53 Edition：B.1 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 ..... 24 8.1 Block Diagram Of Test Setup .............................................................................. 24 8.2 Limit .................................................................................................................... 24 8.3 Test Procedure ................................................................................................... 25 8.4 EUT Operating Conditions .................................................................................. 26 8.5 Test Result .......................................................................................................... 26 9. Power Spectral Density Test ............................................................................... 27 9.1 Block Diagram Of Test Setup .............................................................................. 27 9.2 Limit .................................................................................................................... 27 9.3 Test procedure .................................................................................................... 27 9.4 EUT Operating Conditions .................................................................................. 27 9.5 Test Result ...…

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Conducted Measurement Photos Radiated Measurement Photos