2ATZ4-K1Wireless Keyboard

Modelo e especificações do produt oPassos de funcionamento para a ligação do Bluetooth e do teclado Descrição das teclas de atalho do tecladoAvisoCarregamento Modo de suspensão de poupança de energia Resolução de problemas Limpeza Guia de início Interf ace Bluetooth padrão Depois de colocar o interruptor de alimentação na posição ON, a luz indicadora de alimentação acender-se-á durante 3 segundos.Premir e manter premido Fn+C durante 3 segundos, o indicador bluetooth começa a piscar e o teclado bluetooth entra no modo de emparelhamento. quando não estiver a ser utilizado durante um longo período de tempo, desligue o teclado, de modo a prolongar a vida útil da bateria. Em caso de bateria fraca, a luz indicadora de bateria fraca pisca constantemente e, nessa altura, o teclado deverá ser carregado. Ligue a extremidade Micro do cabo USB do acessório original à interface de carregamento Micro do teclado. Ligue a extremidade Micro do cabo USB do acessório original à interface de carregamento Micro do teclado. Ligue uma extremidade do cabo USB à interface USB do adaptador de corrente ou do computador (exceto o adaptador de corrente). Luz indicadora de carregamento: fica vermelha durante o carregamento e, após a conclusão do carregamento, fica verde. Para prolongar a vida útil da bateria, recomenda-se que o teclado seja carregado apenas quando a luz de alimentação estiver a piscar. É preferível que a duração do carregamento não seja inferior a 2 horas de cada vez. Se o teclado não for utilizado durante 15 minutos, entrará automaticamente no modo de suspensão. Todos os LEDs ficarão desligados e, se voltar a ser utilizado, pode premir qualquer tecla e aguardar cerca de 3s, depois o teclado será despertado e ligar-se-á automaticamente ao Bluetooth, entrando assim em funcionamento normal. Limpar o teclado com água limpa, álcool ou agentes alcoólicos semelhantes. Confirmar se a alimentação foi ligada. Confirmar que o teclado está dentro do alcance de distância operável. Confirmar que a bateria tem electricidade. Confirmar que a definição Bluetooth do tablet PC está ativada. Confirmar que o teclado sem fios e o Bluetooth foram ligados. Confirmar que o teclado sem fios e o Bluetooth foram emparelhados. Regressar à int erface principal Cortar música anterior Reproduzir/Pausa Música seguinte baixar o volume Mudança de idioma (Fn+tecla de espaço) aumentar o volume tecla de função composta FN bloquear o ecrã (Fn+Delete) Pesquisar Seleccionar tudo Cópia Colar Activar/desactivar o touchpad (Fn+Comando) Emparelhamento Bluetooth (Fn+C) Diminuição do brilho Aumento do brilho Teclado do ecrã (Fn+Controlo) No menu das Definições Bluet ooth, procure Teclado K1 e clique nele; em seguida, o teclado será ligado automaticamente. Após uma ligação Bluetooth bem sucedida, a luz indicadora de emparelhamento apaga-se. Nota: Ligação - emparelhamento Bluetooth (premir sem soltar Fn+ C durante 3 segundos) As funções multimédia acima referidas são realizadas com um simples toque após a comutação do sistema. Nota: este teclado é um teclado universal de três sistemas e, depois de confirmar a utilização do dispositivo, prima FN+Q/W/E para mudar para o sistema adequado. Distância efectiva de funcionamento: <8cm Modo de modulação: Tensão de operação:3.0-4.2V Corrente de funcionamento:<10mA (quando o touchpad está a funcionar) Corrente de espera:<0.3mA Corrente de repouso:<40uA Corrente de mudança: 200mA Tempo de espera:>22 dias Duração do carregamento:2-3h Capacidade da bateria de lítio:180mA Horas de funcionamento sustentável:>15h Tempo de espera em repouso:>150 dias Temperatura de funcionamento:-10~+55 C Luz indicadora de ligação ON/OFF e Bluet ooth: acende-se durante 3s depois de ligar o interruptor de alimentação,fica intermitente depois de entrar no modo de emparelhamento Bluetooth e apaga-se quando a ligação Bluetooth é bem sucedida. Luz indicadora do estado das maiúsculas: a luz acende-se quando o teclado está em maiúsculas. Luz indicadora de pilha fraca: pisca em caso de pilha fraca, incentivando o utilizador a efectuar o carregamento. Luz indicadora de carregamento: fica vermelha durante o carregamento, e, quando o carregamento estiver concluído, fica verde. Interface de carregamento USB tipo C Interruptor de alimentação Português 1 11 21 31323334353637383940 4142434445 222324252627282930 121314151617181920 23 45678910 K1 K1 K1 K1 K1 K1 K1 K1 K1 K1 K1 K1 Wireless keyboard FCC Caution: Any 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. IMPORTANT NOTE: 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. FCC Radiation Exposure Statement: This equipment comp…

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Shenzhen Youmi Intelligent Technology Co., Ltd. Address: 406-407 Jinqi Zhigu Building, 4/F, 1 Tangling Road, Nanshan District, Shenzhen City, China Tel: 86-075583220991; Fax: 86-075583220991 Email: [email protected] Date: 2023-06-05 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 To whom it may concern: Our product Wireless Keyboard, Model: K1, FCC ID: 2ATZ4-K1, For use in our purpose marketing, this product only supports BDR (GFSK), EDR (π/4-DQPSK, 8DPSK), and BLE 1M functions. The other functions has been shielded by the manufacturer using the software, the end user has no capability to activate it. Sincerely Yours, Signature: Wang Kun Manager

Shenzhen Youmi Intelligent Technology Co., Ltd. Address: 406-407 Jinqi Zhigu Building, 4/F, 1 Tangling Road, Nanshan District, Shenzhen City, China Tel: 86-075583220991; Fax: 86-075583220991 Email: [email protected] CFR 47 §2.911(d)(5)(i) Attestation Letter Attestation Letter Date: 2023-06-05 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Ref: Attestation Statements CFR 47 §2.911(d)(5)(i) Filing FCC ID: 2ATZ4-K1 Shenzhen Youmi Intelligent Technology Co., Ltd. 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, Signature: Contact Person:Wang Kun Title:Manager

Shenzhen Youmi Intelligent Technology Co., Ltd. Address: 406-407 Jinqi Zhigu Building, 4/F, 1 Tangling Road, Nanshan District, Shenzhen City, China Tel: 86-075583220991; Fax: 86-075583220991 Email: [email protected] CFR 47 §2.911 (d)(5)(ii) Attestation Letter Attestation Letter Date: 2023-06-05 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Ref: Attestation Statements CFR 47 §2.911(d)(5)(ii) Filing FCC ID: 2ATZ4-K1 Shenzhen Youmi Intelligent Technology Co., Ltd. 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, Signature: Contact Person:Wang Kun Title:Manager

Shenzhen Youmi Intelligent Technology Co., Ltd. Address: 406-407 Jinqi Zhigu Building, 4/F, 1 Tangling Road, Nanshan District, Shenzhen City, China Tel: 86-075583220991; Fax: 86-075583220991 Email: [email protected] QA-FR-170-B 7/29/2014 FCC Authorization Date: 2023-06-05 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Agent Authorization To whom it may concern: We Shenzhen Youmi Intelligent Technology Co., Ltd., the undersigned, hereby authorizes Shenzhen Accurate Technology Co., Ltd. to act on its behalf in all matters relating to application for Equipment authorization, including the signing of all documents relating to these matters. All acts carried out by Shenzhen Accurate Technology Co., Ltd. on our behalf shall have the same effect as our own action. We, the undersigned, hereby certify that we are not subject to a denial of federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 862. This authorization is valid until further written notice from the applicant. Sincerely Yours, Signature: Wang Kun Manager

Shenzhen Youmi Intelligent Technology Co., Ltd. Address: 406-407 Jinqi Zhigu Building, 4/F, 1 Tangling Road, Nanshan District, Shenzhen City, China Tel: 86-075583220991; Fax: 86-075583220991 Email: [email protected] FCC Confidential Authorization Date: 2023-06-05 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Confidentiality Request regarding application for certification of FCC ID: 2ATZ4-K1 In accordance with Sections 0.457 and 0.459 of the Commission’s Rules, Shenzhen Youmi Intelligent Technology Co., Ltd. hereby requests long-term confidential treatment of information accompanying this application as outlined below:  Block Diagram  Schematics  Operation Description The above materials contain proprietary and confidential information not customarily released to the public. The public disclosure of these materials provides unjustified benefits to its competitors in the market. Sincerely Yours, Signature: Wang Kun Manager

Shenzhen Accurate Technology Co., Ltd. Project No.: RA230531-30608E-RF External Photos Page 1 of 4 Shenzhen Accurate Technology Co., Ltd. Project No.: RA230531-30608E-RF External Photos Page 2 of 4 Shenzhen Accurate Technology Co., Ltd. Project No.: RA230531-30608E-RF External Photos Page 3 of 4 Shenzhen Accurate Technology Co., Ltd. Project No.: RA230531-30608E-RF External Photos Page 4 of 4

Shenzhen Accurate Technology Co., Ltd. Project No.: RA230531-30608E-RF LABEL AND LOCATION Page 1 of 1 FCC ID Label FCC ID Label Location Information The label shown shall be permanently affixed at a conspicuous location on the device and be readily visible to the user at the time purchase (Labeling requirements per 2.925)

Shenzhen Accurate Technology Co., Ltd. Report No.: RA230531-30608E-RFB Version 140: 2023-01-30 Page 12 of 45 FCC-BLE; RSS-BLE FCC§15.247 (i), §1.1307 (b)(1)&§2.1093 – RF EXPOSURE Applicable Standard According to FCC §2.1093 and §1.1307(b)(1), systems operating under the provisions of this sectionshall be operated in a manner that ensure that the public is not exposed to radio frequency energylevel in excess of the Commission’s guideline. According to KDB 447498 D01 General RF Exposure Guidance 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 1. f(GHz) is the RF channel transmit frequency in GHz. 2. Power and distance are rounded to the nearest mW and mm before calculation. 3. The result is rounded to one decimal place for comparison. 4. When the minimum test separation distance is < 5 mm, a distance of 5 mm is applied to determine SAR test Exclusion. Measurement Result For worst case: Mode Frequency (MHz) Max tune-up conducted power (dBm) Max tune-up conducted power (mW) Distance (mm) Calculated value Threshold (1-g SAR) SAR Test Exclusion BLE 2402-2480 4.8 3.02 5 1.0 3.0 Yes Result: No SAR test is required

BluetoothAntenna specification&Testreport YichipMicroelectronics ©2014 Room 306, 3rd Floor, Building A2, No. 2082, Jincheng Road, Shajing Street, Baoan District, Shenzhen TestCcompanyTATechnology(Shanghai)Co.,Ltd. TestAddress Building1,No.400,FangchunRoad,China(Shanghai)PilotFreeTradeZone TestDate2020/7/24 TestInstrument Keysight E5071B antennadesignspecification Antennadimensionsasblowpictureshow:thematerialisFR4andthethicknessis 1.6mmofPCB. Gian Frequency / MHz Gain/ dB 2400 0.67 2410 0.83 2420 0.85 2430 0.95 2440 0.82 2450 0.97 2460 0.63 2470 0.97 2480 0.68 2490 0.91 2500 1.0 3DRadiationPatterns 2400 2450 2500

★ Note: This report may contain data that are not covered by the A2LA accreditation and are marked with an asterisk “ ”. Shenzhen Accurate Technology Co., Ltd. is not responsible for the authenticity of any test data provided by the applicant. Data included from the applicant that may affect test results are marked with an asterisk ’*’. Customer model name, addresses, names, trademarks etc. are not considered data. This report cannot be reproduced except in full, without prior written approval of the Company. Unless otherwise stated the results shown in this test report refer only to the sample(s) tested. This report is valid only with a valid digital signature. The digital signature may be available only under the Adobe software above version 7.0. Shenzhen Accurate Technology Co., Ltd. 1/F., Building A, Changyuan New Material Port, Science & Industry Park, Nanshan District, Shenzhen, Guangdong, P.R. China Tel: +86 755-26503290 Fax: +86 755-26503290 Web: www.atc-lab.com Version 140: 2023-01-30 Page 1 of 45 FCC-BLE; RSS-BLE TEST REPORT Applicant Name : Shenzhen Youmi Intelligent Technology Co., Ltd. Address : 406-407 Jinqi Zhigu Building, 4/F, 1 Tangling Road, Nanshan District, Shenzhen City, China Report Number : RA230531-30608E-RFB FCC ID: 2ATZ4-K1 IC: 26074-K1 Test Standard (s) FCC PART 15.247; RSS-GEN ISSUE 5, FEBRUARY 2021 AMENDMENT 2; RSS-247, ISSUE 2, FEBRUARY 2017 Sample Description Product Type: Wireless Keyboard Model No.: K1 Multiple Model(s) No.: N/A Trade Mark: UMIDIGI Date Received: 2023/05/31 Report Date: 2023/06/19 Test Result: Pass* * In the configuration tested, the EUT complied with the standards above. Prepared and Checked By: Approved By: Amanda Wei Candy Li EMC Engineer EMC Engineer Shenzhen Accurate Technology Co., Ltd. Report No.: RA230531-30608E-RFB Version 140: 2023-01-30 Page 2 of 45 FCC-BLE; RSS-BLE TABLE OF CONTENTS DOCUMENT REVISION HISTORY ......................................................................................................................... 4 GENERAL INFORMATION ....................................................................................................................................... 5 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) ..................................................................................... 5 OBJECTIVE ................................................................................................................................................................... 5 TEST METHODOLOGY .................................................................................................................................................. 5 MEASUREMENT UNCERTAINTY .................................................................................................................................... 6 SYSTEM TEST CONFIGURATION .......................................................................................................................... 7 DESCRIPTION OF TEST CONFIGURATION ...................................................................................................................... 7 EQUIPMENT MODIFICATIONS ....................................................................................................................................... 7 EUT EXERCISE SOFTWARE .......................................................................................................................................... 7 DUTY CYCLE ................................................................................................................................................................ 8 SUPPORT EQUIPMENT LIST AND DETAILS .................................................................................................................... 8 EXTERNAL I/O CABLE .................................................................................................................................................. 8 BLOCK DIAGRAM OF TEST SETUP ................................................................................................................................ 9 SUMMARY OF TEST RESULTS ............................................................................................................................. 10 TEST EQUIPMENT LIST ......................................................................................................................................... 11 FCC§15.247 (I), §1.1307 (B)(1)&§2.1093 – RF EXPOSURE ....................................................................................... 12 APPLICABLE STANDARD ............................................................................................................................................ 12 RSS-102 § 2.5.1 –EXEMPTION LIMITS FOR ROUTINE EVALUATION-SAR EVALUATION .................... 13 APPLICABLE STANDARD ............................................................................................................................................ 13 TEST RESULT: ............................................................................................................................................................ 14 FCC §15.203 & RSS-GEN §6.8 – ANTENNA REQUIREMENT............................................................................ 15 APPLICABLE STANDARD ............................................................................................................................................ 15 ANTENNA CONNECTOR CONSTRUCTION .................................................................................................................... 15 FCC §15.207 (A) & RSS-GEN § 8.8 – AC LINE CONDUCTED EMISSIONS ..................................................... 16 APPLICABLE STANDARD ............................................................................................................................................ 16 EUT SETUP ...................................................................................................…

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Shenzhen Accurate Technology Co., Ltd. Project No.: RA230531-30608E-RF Test Photos Page 1 of 2 Photo of Conducted Emission Measurement Shenzhen Accurate Technology Co., Ltd. Project No.: RA230531-30608E-RF Test Photos Page 2 of 2 Photo of Radiated Emission Measurement (Below 1G) Photo of Radiated Emission Measurement (Above 1G)