ZH4K331Bluetooth Wireless Keyboard

Bluetooth Wireless Keyboard Model: K331 User Manual FCC ID: ZH4K331 FCC ID: ZH4K331 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 receptio n, 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. IMPORTANT REGULATORY INFORMATION 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 that is received, including any interference that may cause undesired operation. Caution: Changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.

Sep.07, 2011 Federal Communication Commission Authorization and Evaluation Division FCC ID: ZH4K331 Re: Confidentiality Request Pursuant to Sections 0.457 and 0.459 of the Commission’s Rules, the applicant hereby requests confidential treatment of information applied this application as outlined below: 1: Block Diagram 2: Circuit Diagram 3: Parts List 4: Operational Description The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these matters might be harmful to the applicant and provide unjustified benefits to its competitors. The Applicant understands that pursuant to Rules 0.457, disclosure of this Application and all accompanying documentation will not be made before the date of the Grant for this application. Sincerely, Hui Ye Title: Director of Product Management

TOP VIEW OF SAMPLE(K331) BOTTOM VIEW OF SAMPLE(K331) SIDE VIEW OF SAMPLE(K331) VIEW OF SAMPLE(K331A)

FCC ID Label Location

INTERNAL VIEW OF SAMPLE – 1 INTERNAL VIEW OF SAMPLE – 2 Bluetooth antenna INTERNAL VIEW OF SAMPLE – 3

FCC Test Report Report No.: AGC06E110801F2B FCC ID : ZH4K331 PRODUCT DESIGNATION : Bluetooh Wireless Keyboard BRAND NAME : N/A TEST MODEL : K331 CLIENT : SHENZHEN YUANDA EIECTRONIC CO.,LTD DATE OF ISSUE : Sep.5, 2011 STANDARD(S) : FCC Part 15 Rules Attestation of Global Compliance Co., Ltd. CAUTION: This report shall not be reproduced except in full without the written permission of the test laboratory and shall not be quoted out of context. Report No.: AGC06E110801F2B Page 1 of 42 VERIFICATION OF COMPLIANCE Applicant SHENZHEN YUANDA EIECTRONIC CO.,LTD NO.2 Building, 2 nd Industrial zone, Tiegang village, XiXiang town, Baoan district, Shenzhen, Guangdong, China Manufacturer SHENZHEN YUANDA EIECTRONIC CO.,LTD NO.2 Building, 2 nd Industrial zone, Tiegang village, XiXiang town, Baoan district, Shenzhen, Guangdong, China Product Designation Bluetooh Wireless Keyboard Brand Name N/A Model Name K331, K331A Difference Designation: All the same except for the appearance, and the main test model is k331. FCC ID ZH4K331 Report Number AGC06E110801F2B Date of Test Sep.1, 2011 to Sep.3, 2011 WE HEREBY CERTIFY THAT: The above equipment was tested by Attestation of Global Compliance Co., Ltd. The test data, data evaluation, test procedures, and equipment configurations shown in this report were made in accordance with the procedures given in ANSI C63.4 (2003) and the energy emitted by the sample EUT tested as described in this report is in compliance with radiated emission limits of FCC Rules Part 15.247. Tested By: Curoky Chen Sep.5, 2011 Reviewed By: Forrest Lei Sep.5, 2011 Approved By: Solger Zhang Sep.5, 2011 Report No.: AGC06E110801F2B Page 2 of 42 TABLE OF CONTENTS 1. GENERAL INFORMATION ..................................................................................................................................................... 4 1.1 PRODUCT DESCRIPTION ................................................................................................................................................ 4 1.2 TABLE OF CARRIER FREQUENCYS ............................................................................................................................ 4 1.3 RECEIVER INPUT BANDWIDTH .................................................................................................................................... 4 1.4 EXAMPLE OF A HOPPING SEQUENCY IN DATA MODE ........................................................................................ 5 1.5 EQUALLY AVERAGE USE OF FREQUENCIES AND BEHAVIOUR ....................................................................... 5 1.6 RELATED SUBMITTAL(S) / GRANT (S) ....................................................................................................................... 5 1.7 TEST METHODOLOGY ..................................................................................................................................................... 5 1.8 TEST FACILITY .................................................................................................................................................................. 6 1.9 SPECIAL ACCESSORIES ................................................................................................................................................ 6 1.10 EQUIPMENT MODIFICATIONS ..................................................................................................................................... 6 2. SYSTEM TEST CONFIGURATION ....................................................................................................................................... 7 2.1 CONFIGURATION OF EUT SYSTEM ............................................................................................................................. 7 2.2 EQUIPMENT USED IN EUT SYSTEM ............................................................................................................................ 7 3. SUMMARY OF TEST RESULTS ........................................................................................................................................... 8 4. DESCRIPTION OF TEST MODES ......................................................................................................................................... 8 THE FOLLOWING OPERATING MODES WERE APPLIED FOR THE RELATED TEST ITEMS. ................................ 8 5. PEAK OUTPUT POWER ......................................................................................................................................................... 9 5.1 MEASUREMENT PROCEDURE ...................................................................................................................................... 9 5.2 TEST SET-UP (BLOCK DIAGRAM OF CONFIGURATION) ...................................................................................... 9 5.3 MEASUREMENT EQUIPMENT USED ......................................................................................................................... 10 5.4 LIMITS AND MEASUREMENT RESULT ..................................................................................................................... 10 6 20 DB BANDWIDTH ............................................................................................................................................................... 11 6.1 MEASUREMENT PROCEDURE .................................................................................................................................... 11 6.2 TEST SET-UP (BLOCK DIAGRAM OF CONFIGURATION) .................................................................................... 11 6.3 MEASUREMENT EQUIPMENT USED ......................................................................................................................... 11 6.4 LIMITS AND MEASUREMENT RESULTS .................................................................................................................. 11 7 CONDUCTED SPURIOUS …

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Report No.: AGC06E110801F2B Page 41 of 42 APPENDIX II PHOTOGRAPHS OF THE TEST SETUP CONDUCTED EMISSION TEST RADIATED SPURIOUS EMISSION FOR NORMAL HOPPING Report No.: AGC06E110801F2B Page 42 of 42 RADIATED SPURIOUS EMISSION FOR CONTINUOUS TRANSMITTING ----END OF REPORT----