2AFMD-FM25Bluetooth FM Transmitter

Bluetooth FM transmitter quick start guide Please read this guide to make the best use of this bluetooth FM transmitter Specifications: Bluetooth specification: V4.0 Bluetooth profiles: HSP, HFP A2DP and AVRCP FM frequency range: 88.1~107.9MHz Bluetooth Operating distance: 30 feet FM Operating distance: 15 feet USB1 output: 5V/2.4A(MAX) USB2 output:5V/1A Product Diagram: Power on/off the FM transmitter: Power on: Plug the transmitter into the car cigarette socket. Power off: Press the multifunction button for about 2 seconds until the blue indicator light goes off. Instruction: 1. Plug the transmitter into the car cigarette socket, the product will power on and the indicator flashes means it’s ready to pair. 2. Turn on the Bluetooth function of your phone. 3. Search for the Bluetooth devices and select "BT FM". 4. If paring is successful, the blue indicator light will be always on. 5. Tune the car FM radio frequency to an unused FM station. 6. Tune the FM transmitter into the same frequency with the car FM radio. 7. Now you can enjoy your music through the car stereo. Remark： 1. It will connect to the pre‐set phone automatically when turns on. (Turn on the Bluetooth of your cell phone first, and then turn on the product.) 2. For the best audio quality, please turn the volume of the cell phone and FM transmitter into the max level. 3. If the noisy is too loud, please try other FM frequency. Answering a call: For iPhone users: Selection 1. Press the Multi‐function button. Selection 2. Press the “Answer” button of your iPhone and check your iPhone call menu. Look for the audio source and select the transmitter " FM25 ". For Android User (such as Samsung, HTC, Sony etc. ): Selection 1. Press the Multi‐function button. Selection 2. Press the “Answer” button of your phone. Ending a call: 1. Press the Multi‐function button. Rejecting a call： 1. Double press the Multi‐function button. Playing music: 1. Play/Pause: Short press the Multi‐function button. 2. Next Song: Short press the button “Next ”. 3. Previous Song: Short press the button “Previous ”. Volume Control: 1. Volume down‐‐‐turn the knob(multi‐function) to the left, 2. Volume up—turn the knob(multi‐function)to the right. FCC Statement 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. To assure continued compliance, any changes or modifications not expressly approved by the party. Responsible for compliance could void the user’s authority to operate this equipment. (Example‐ use only shielded interface cables when connecting to computer or peripheral devices). This equipment 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. RF warning statement: The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction.

SCS-F18: Project and Product Certification Representative Authorization Letter Page 1 of 2 Rev 5.0 775 Montague Expressway Milpitas, CA 95035 Tel: 408-526-1188 Fax: 408-526-1088 Email: [email protected] Project and Product Certification Representative Authorization Letter Reason for Amendment (current / obsolete) Revision History Approved Date From To Initial Release (obsolete) 1.0 1.0 Nov-14-2006 Revised wording (obsolete) 1.0 2.0 Sept–25-2007 Updated company template (obsolete) 2.0 3.0 Jan-31-2012 Updated letter information (obsolete) 3.0 4.0 May-23-2014 Added FCC ID field (current) 4.0 5.0 Sept 16 2014 SCS-F18: Project and Product Certification Representative Authorization Letter Page 2 of 2 Rev 5.0 SHENZHEN SPRING TECHNOLOGY CO,.LIMITED 2015-08-19 To: SIEMIC, INC. 775 Montague Expressway, Milpitas, CA 95035 USA Dear Sir/Madam, Re: Product Certification Representative Authorization Letter We, _____ SHENZHEN SPRING TECHNOLOGY CO,.LIMITED _____hereby authorize SIEMIC, Inc. to act as a Certification Body for certifying for the following project(s): (Bluetooth FM Transmitter: FM25) FCC ID: 2AFMD-FM25 Sincerely, Client’s signature Client’s name / title Jack Yin/ General Manager Contact information / address 5/F Ablock,NO162 TongFuYu Industry Park KuKeng GuanLan LongHua New District, Shenzhen, China

SCS-F19: Confidentiality Request Letter Page 1 of 2 Rev 4.0 775 Montague Expressway Milpitas, CA 95035 Tel: 408-526-1188 Fax: 408-526-1088 Email: [email protected] Confidentiality Request Letter Reason for Amendment (current / obsolete) Revision History Approved Date From To Initial Release (obsolete) 1.0 1.0 Nov-14-2006 Adding CFR 2.459 (obsolete) 1.0 2.0 August – 11 - 2008 Updated company template & Added text box (obsolete) 2.0 3.0 Jan-31-2012 Added IC confidentiality letter form (current) 3.0 4.0 March-26-2015 SCS-F19: Confidentiality Request Letter Page 2 of 2 Rev 4.0 SHENZHEN SPRING TECHNOLOGY CO,.LIMITED 2015-08-19 To: Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD Subject: Permanent Confidentiality Request for FCC ID: 2AFMD-FM25 We hereby request confidential treatment of information accompanying this application as outlined below: - 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 & 0.459 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, Client’s signature Client’s name / title Jack Yin/ General Manager Contact information / address 5/F Ablock,NO162 TongFuYu Industry Park KuKeng GuanLan LongHua New District, Shenzhen, China

Report No.: TB-FCC145006 Page: 3 of 11 TB-RF-075-1.0 Appendix III EUT External Photographs Photo 1 Appearance of EUT Photo 2 Appearance of EUT Report No.: TB-FCC145006 Page: 4 of 11 TB-RF-075-1.0 Photo 3 Appearance of EUT Photo 4 Appearance of EUT Report No.: TB-FCC145006 Page: 5 of 11 TB-RF-075-1.0 Photo 5 Appearance of EUT

Report No.: TB-FCC145003 Page: 1 of 11 TB-RF-074-1.0 Appendix IFCC ID Label FCC ID : 2AFMD-FM25 Bluetooth FM Transmitter SHENZHEN SPRING TECHNOLOGY CO,.LIMITED 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. Model: FM25

Report No.: TB-FCC145006 Page: 2 of 11 TB-RF-075-1.0 Appendix II ID Label Location ID LOCATION

Report No.: TB-FCC145006 Page: 6 of 11 TB-RF-075-1.0 Appendix IV EUT Internal Photographs Photo 6 Internal of EUT Photo 7 Appearance of PCB FM Antenna 2.4G PCB Antenna Report No.: TB-FCC145006 Page: 7 of 11 TB-RF-075-1.0 Photo 8 Appearance of PCB Photo 9 Appearance of PCB Report No.: TB-FCC145006 Page: 8 of 11 TB-RF-075-1.0 Photo 10 Internal of EUT Photo 11 Appearance of PCB Report No.: TB-FCC145006 Page: 9 of 11 TB-RF-075-1.0 Photo 12 Appearance of PCB

Shenzhen Toby Technology Co., Ltd. Report No.: TB-MPE145007 Page: 1 of 3 TB-RF-074-1.0 1A/F., Bldg.6, Yusheng Industrial Zone, The National Road No.107 Xixiang Section 467, Xixiang, Bao’an, Shenzhen, China Tel: +86 75526509301 Fax: +86 75526509195 RF Exposure Evaluation FCC ID: 2AFMD-FM25 1. Client Information Applicant : SHENZHEN SPRING TECHNOLOGY CO,.LIMITED Address : 5/Fablock, NO162 TongFuYu industry park KuKeng GuanLan LongHua new district, Shenzhen, China. Manufacturer : SHENZHEN SPRING TECHNOLOGY CO,.LIMITED Address : 5/Fablock, NO162 TongFuYu industry park KuKeng GuanLan LongHua new district, Shenzhen, China. 2. General Description of EUT EUT Name : Bluetooth FM Transmitter Models No. : FM25 Model difference : N/A Product Description : Operation Frequency: Bluetooth(BLE):2402~2480MHz Number of Channel: Bluetooth:79 Channels BLE: 40 channels Max Peak Output Power: Bluetooth: 4.469 dBm(GFSK) BLE: -1.759 dBm Antenna Gain: 0 dBi PCB Antenna Modulation Type: GFSK 1Mbps(1 Mbps) π/4-DQPSK(2 Mbps) 8-DPSK(3 Mbps) Power Supply : DC Voltage supplied from Car Charger. Power Rating : Car Charger Input: DC 9~26V Output: 5V Connecting I/O Port(S) : Please refer to the User's Manual Note: More test information about the EUT please refer the RF Test Report. Report No.: TB-MPE145007 Page: 2 of 3 TB-RF-074-1.0 SAR Test Exclusion Calculations 1. FCC: According to KDB 447498 D01 Mobile and Portable Devices RF Exposure Procedures and Equipment Authorization Policies v05r02. (1) Clause 4.3: General SAR test reduction and exclusion guidance Sub clause 4.31: Standalone SAR test exclusion considerations 1) The 1-g and 10-g SAR test exclusion thresholds for 100 MHz to 6GHz at test separation distance≤5 mm are determined by: [(max. power of channel, including tune-up tolerance, mW)/(min. test separation, mm)]*[√f (GHz) ] ≤3.0 for 1-g SAR [(max. power of channel, including tune-up tolerance, mW)/(min. test separation, mm)]*[√f (GHz) ] ≤7.5.0 for 10-g SAR Report No.: TB-MPE145007 Page: 3 of 3 TB-RF-074-1.0 2. Calculation: Test separation: 5mm Bluetooth Mode (GFSK) Frequency (GHz) Conducted Power (dBm) Turn-up Power Tolerance (dB) Max power of tune up tolerance (mw) Calculation Value Threshold Value 2.402 4.445 ±0.5 3.122 0.968 3.0 2.441 4.469 ±0.5 3.140 0.981 3.0 2.480 4.357 ±0.5 3.060 0.964 3.0 Bluetooth Mode (π/4-DQPSK) Frequency (GHz) Conducted Power (dBm) Turn-up Power Tolerance (dB) Max power of tune up tolerance (mw) Calculation Value Threshold Value 2.402 3.064 ±0.5 2.272 0.704 3.0 2.441 3.218 ±0.5 2.354 0.736 3.0 2.480 3.142 ±0.5 2.313 0.729 3.0 Bluetooth Mode (8-DPSK) Frequency (GHz) Conducted Power (dBm) Turn-up Power Tolerance (dB) Max power of tune up tolerance (mw) Calculation Value Threshold Value 2.402 3.204 ±0.5 2.346 0.727 3.0 2.441 3.621 ±0.5 2.583 0.807 3.0 2.480 3.377 ±0.5 2.442 0.769 3.0 BLE(GFSK) Frequency (GHz) Conducted Power (dBm) Turn-up Power Tolerance (dB) Max power of tune up tolerance (mw) Calculation Value Threshold Value 2.402 -1.920 ±0.5 0.721 0.224 3.0 2.442 -1.759 ±0.5 0.748 0.234 3.0 2.480 -2.216 ±0.5 0.674 0.212 3.0 So standalone SAR measurements are not required.

Shenzhen Toby Technology Co., Ltd. Report No.: TB-FCC145006 Page: 1 of 95 TB-RF-074-1.0 1A/F., Bldg.6, Yusheng Industrial Zone, The National Road No.107 Xixiang Section 467, Xixiang, Bao’an, Shenzhen, China Tel: +86 75526509301 Fax: +86 75526509195 FCC Radio Test Report FCC ID: 2AFMD-FM25 Original Grant Report No. : TB-FCC145006 Applicant : SHENZHEN SPRING TECHNOLOGY CO,.LIMITED Equipment Under Test (EUT) EUT Name : Bluetooth FM Transmitter Model No. : FM25 Brand Name : N/A Receipt Date : 2015-08-05 Test Date : 2015-08-05 to 2015-08-18 Issue Date : 2015-08-19 Standards : FCC Part 15: 2014, Subpart C(15.247) Test Method : ANSI C63.10:2013 Conclusions : PASS In the configuration tested, the EUT complied with the standards specified above, The EUT technically complies with the FCC requirements Test/Witness Engineer : Approved& Authorized : This report details the results of the testing carried out on one sample. The results contained in this test report do not relate to other samples of the same product. The manufacturer should ensure that all products in series production are in conformity with the product sample detailed in the report. Report No.: TB-FCC145006 Page: 2 of 95 TB-RF-074-1.0 Contents CONTENTS ............................................................................................................................................. 2 1. GENERAL INFORMATION ABOUT EUT ............................................................................. 4 1.1 Client Information ................................................................................................................. 4 1.2 General Description of EUT (Equipment Under Test) ................................................... 4 1.3 Block Diagram Showing the Configuration of System Tested ...................................... 5 1.4 Description of Support Units .............................................................................................. 6 1.5 Description of Test Mode .................................................................................................... 6 1.6 Description of Test Software Setting ................................................................................ 7 1.7 Measurement Uncertainty .................................................................................................. 8 1.8 Test Facility ........................................................................................................................... 8 2. TEST SUMMARY ....................................................................................................................... 9 3. TEST EQUIPMENT .................................................................................................................. 10 4. CONDUCTED EMISSION TEST ........................................................................................... 11 4.1 Test Standard and Limit .................................................................................................... 11 4.2 Test Setup ........................................................................................................................... 11 4.3 Test Procedure ................................................................................................................... 11 4.4 EUT Operating Mode ........................................................................................................ 12 4.5 Test Data ............................................................................................................................. 12 5. RADIATED EMISSION TEST ................................................................................................ 19 5.1 Test Standard and Limit .................................................................................................... 19 5.2 Test Setup ........................................................................................................................... 20 5.3 Test Procedure ................................................................................................................... 21 5.4 EUT Operating Condition ................................................................................................. 21 6. RESTRICTED BANDS REQUIREMENT ............................................................................. 40 6.1 Test Standard and Limit .................................................................................................... 40 6.2 Test Setup ........................................................................................................................... 40 6.3 Test Procedure ................................................................................................................... 40 6.4 EUT Operating Condition ................................................................................................. 41 6.4 Test Data ............................................................................................................................. 41 7. NUMBER OF HOPPING CHANNEL .................................................................................... 54 7.1 Test Standard and Limit .................................................................................................... 54 7.2 Test Setup ........................................................................................................................... 54 7.3 Test Procedure ................................................................................................................... 54 7.4 EUT Operating Condition ................................................................................................. 54 7.5 Test Data ............................................................................................................................. 54 8. AVERAGE TIME OF OCCUPANCY ..................................................................................... 56 8.1 Test Standard and Limit ..................…

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Report No.: TB-FCC145006 Page: 10 of 11 TB-RF-075-1.0 Appendix V EUT Test Photographs 15C Test Setup Photo of Setup for Radiated Emission (Above 1GHz) Photo of Setup for Radiated Emission (Below 1GHz) Report No.: TB-FCC145006 Page: 11 of 11 TB-RF-075-1.0 Photo of Setup for Conducted Emission