2AJ5B-BT93Bluetooth FM Transmitter for Car

Music Tuner /Bluetooth Hands‐free Car Kit DIY Your Own Taste for In‐car Music USER GUIDE Model：BT93 Brief Introduction Thanks for choosing our Bluetooth FM Transmitter. This device streams music and call directly from your Bluetooth device to your car FM stereo system. The built‐in microphone provides you with an amazing hands free function, it is also with a Micro SD card / USB Disk slot that lets you enjoy favorite tunes by your car’s stereo system, and most of functions are achieved by the rotation knob. Please read the User Manual carefully before using. Hope this device makes your driving more interesting and safer. Packing contents:  Bluetooth device  User Guide  Audio cable Specification: Bluetooth Version:5.0 Frequency Range: 88.1‐107.9mhz Frequency Stability: ±10ppm Product Input:12‐24V Dual USB Charger Output: QC3.0+5V/1A (total 23W) Micro SD Card (max Capacity) :32GB USB (max Capacity) :32GB Music Format: MP3,WMA, APE,FLAC,WAV LED Dimension: 34*43.7*2.5mm Microphone Size: 6.0*2.7mm Product Size: 84.8*40.9*112mm Weight:61.0g Features: Wirelessly Transmits Phone Call & Audio Streaming to the Car FM Stereo System via Bluetooth. Switch to Hands‐free Mode Automatically from Music Streaming Status When Receiving Phone Call. Classical & Retro Design Adds Elegant to Your Car Interior. Bass&Treble Tuner to Customize Your Music Style. Built‐in Music Reprocessing Algorithm Guarantees Superior Music Experience Big Colorful TFT Display. Detects the Voltage of Car Battery When Powered on Dual USB Charging Ports: 5V/1A+ QC3.0 Support USB Disk Reading: Max 32GB Support 7 kinds of EQ: Natural, Rock, Pop, Classic, Soft, Jazz, DBB Multiple OSD language options Bluetooth Version: Action 5.0 With Line‐out Function. Re‐dial the Last Phone Number. Announce the Phone Number When Coming a Call. Compatibility: This device can be paired as a hands free kit with any compatible Bluetooth 2.1 or higher enabled devices. Precautions: Please read all safety instruction warnings carefully before using this product. Improper use of this product may result in damage to this or attached products. To ensure the products work well, please never use this in the following conditions: 1. Moist or underwater conditions. 2. Conditions near heater or high‐temperature service. 3. Conditions with direct and strong sunshine, 4. Conditions with adapter damage 5. Never dismantle the product without due permission, otherwise it may nullify the warranty clause. Appearance: Operation Instructions Frequency decrease Frequency increase Previous song Next song Microphone TF card slot QC3.0 Charging port USB port for reading music & 5V/1A charging Press "BASS" button to adjust bass effect. In "BASS" status, increase or decrease the bass by: 1.Press CH+ or CH- 2.Press previous or next button 3.Rotary the spin button Press "TRE" button to adjust treble effect. In "TRE" status, increase or decrease the treble by: 1.Press CH+ or CH- 2.Press previous or next button 3.Rotary the spin button Spin button: 1.Clockwise rotation to increase the volume, Anti-clockwise rotation to decrease the volume 2. Long press to entry the main menu (EQ and Language).Press "EQ" or "Language" to entry the sub-menu . 3. Double press to redial the last number. 4. Short Press to pick up the calling, press again to hang off the calling. 5. Long press to reject the calling when incoming a call. 6. During a calling, long press to switch the private calling. USEING THE FM TRANSMITTER FUNCTION 1. Turn your car radio to an unoccupied FM frequency, press the CH button and adjust the frequency to make the device and car radio in the same frequency. 2. Insert the TF card or USB disk which containing the MP3/WMA/WAV/ FLAC files into the slot, it will play and transmit the MP3 files automatically. USEING THE BLUETOOTH FUNCTION 1. Pair the Bluetooth for the first time, you need to activate your mobile phone’s Bluetooth function, and then search the new device. When the mobile phone detects this unit (named as “BT93”), click this name to connect. 2. In the music playing mode, simply press the “BASS” and “TRE” buttons to DIY your music. When there is an incoming call, this device will automatically switch to the calling. USEING THE CHARGING FUNCTION This device with dual USB ports for charging, One port is QC3.0, Another port is 5V/1A. Total 23W. When this unit powered from car lighter socket, connect the USB Charger port to your mobile phone or others device with a special USB cable (not included) for charging. USEING THE BLUETOOTH CALLING 1. Press the spin button to answer the incoming call or hang off a call. 2. Long press the spin button to reject the incoming call in Bluetooth calling mode. 3. Double press the spin button to dial the last Number automatically. 4. When making a call, you can only dial the phone number by your mobile phone, but once the call connected, you can use the hands‐free function to enjoy it. TROUBLESHOOTING GUIDE No sound • Check the volume on the radio, FM transmitter and the external device. Connecting via Bluetooth • Check the Bluetooth connection Audio cable connection • Make sure that the cable is undamaged and properly connected. Memory card • Check that the memory card works and that there are MP3 files on the memory card. The maximum allowed memory capacity on the card is 32 GB. • Check that the frequency on the FM transmitter is the same as that on the car radio The FM transmitter display is black Check that the FM transmitter is plugged in properly to the 12 V car socket. 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, …

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SAGE HUMAN ELECTRONICS INTERNATIONAL CO.,LTD. Agent Authorization Date: Sept 08, 2020 Company: SAGE HUMAN ELECTRONICS INTERNATIONAL CO.,LTD. Address: 4F.,A Building,Rongli Industrial Park,No.2 Guiyuan Rd.Guihua Community,Guanlan Town,Longhua New Dist. Shenzhen, China Product Description: Bluetooth FM Transmitter for Car FCC ID Number: 2AJ5B-BT93 Tested Model Number: BT93 We authorize Eurofins Product Service GmbH, Storkower Strasse 38c, D-15526 Reichenwalde, Germany, to act on our behalf on all matters concerning the certification of above mentioned equipment. We declare that Eurofins Product Service GmbH is allowed to forward all information related to the approval and certification of equipment to the regulatory agencies as required and to discuss any issues concerning the approval application. Any and all acts carried out by Eurofins Product Service GmbH on our behalf shall have the same effect as acts of our own. We, SAGE HUMAN ELECTRONICS INTERNATIONAL CO.,LTD., the undersigned, hereby authorize Shenzhen Toby Technology Co., Ltd. (Ivan Su, Supervisor of EMC Dep.), Shenzhen Microwave Certification Services Co., Ltd. (Gilbert Lui, Marketing Manager) and Ka.Ma.S UG (Karin Schmidt, CEO) on our behalf, to apply to the Federal Communications Commission on our equipment. We, the undersigned, hereby authorize Shenzhen Toby Technology Co., Ltd. (Ivan Su, Supervisor of EMC Dep.) to act on our behalf in matters relating to the application for a FCC equipment authorization for mentioned FCC ID Number including the signing of Form 731, necessary forms and documents in connection with this application. Any and all acts carried out by Shenzhen Toby Technology Co., Ltd. (Ivan Su, Supervisor of EMC Dep.) on our behalf shall have the same effect as acts of our own. This authorization expires on 31th December, 2020. Yours Sincerely, SAGE HUMAN ELECTRONICS INTERNATIONAL CO.,LTD. <Signature of Fred Xiao > ----------------------------------------------------------------------------------- Name: Fred Xiao Company: SAGE HUMAN ELECTRONICS INTERNATIONAL CO.,LTD. Address: 4F.,A Building,Rongli Industrial Park,No.2 Guiyuan Rd.Guihua Community,Guanlan Town,Longhua New Dist. Shenzhen, China Phone Number: +86-755-28079392 Fax Number: +86-755-28079393 E-Mail: [email protected]

CONFIDENTIALITY REQUEST for Certification under the FCC Rules Date: Sept 08,2020 Federal Communication Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21046 TO WHOM IT MAY CONCERN Pursuant to Paragraphs §0.457 and 0.459 of the Commission’s Rules (47 C.F.R.) and Section §552(b)(4) of the Freedom of Information Act, we request confidentiality for the following product: FCC ID Number: 2AJ5B-BT93 Tested Model Number: BT93 For the product stated above, we request that the following information be held confidential: Exhibits Long-Term Confidentiality Short-Term Confidentiality Short-Term Confidentiality Days Block Diagram Schematic Diagram/ Circuit Diagram Circuit Description/ Operational Description Parts List Tune Up Information User’s Manual External Photos Internal Photos Test Setup Photos The long-term confidentiality exhibits contain our trade secrets and proprietary information that could be of benefit to our competitors. The short-term confidentiality on the basis of ensuring that business sensitive information remains confidential until the actual marketing of our new device. Please do not hesitate to contact me if you have any queries. Yours Sincerely, SAGE HUMAN ELECTRONICS INTERNATIONAL CO.,LTD. <Signature of Fred Xiao > ----------------------------------------------------------------------------------- Name: Fred Xiao Company: SAGE HUMAN ELECTRONICS INTERNATIONAL CO.,LTD. Address: 4F.,A Building,Rongli Industrial Park,No.2 Guiyuan Rd.Guihua Community,Guanlan Town,Longhua New Dist. Shenzhen, China Phone Number: +86-755-28079392 Fax Number: +86-755-28079393 E-Mail: [email protected]

Page: 3 of 10 FCC ID: 2AJ5B-BT93 TB-RF-074-1.0 Appendix III EUT External Photographs Photo 1 Appearance of EUT Photo 2 Appearance of EUT Page: 4 of 10 FCC ID: 2AJ5B-BT93 TB-RF-074-1.0 Photo 3 Appearance of EUT Photo 4 Appearance of EUT Page: 5 of 10 FCC ID: 2AJ5B-BT93 TB-RF-074-1.0 Photo 5 Appearance of EUT Photo 6 Appearance of EUT

Page: 1 of 10 FCC ID: 2AJ5B-BT93 TB-RF-074-1.0 Appendix IFCC ID Label Size for the label: 20mm X 20mm FCCID : 2AJ5B-BT93 Model: BT93 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. 2. This device must accept any interference received, including interference that may cause undesired operation. Page: 2 of 10 FCC ID: 2AJ5B-BT93 TB-RF-074-1.0 Appendix II ID Label Location ID LOCATION

Page: 6 of 10 FCC ID: 2AJ5B-BT93 TB-RF-074-1.0 Appendix IV EUT Internal Photographs Photo 8 Internal of EUT Photo 9 Internal of PCB Page: 7 of 10 FCC ID: 2AJ5B-BT93 TB-RF-074-1.0 Photo 10 Internal of PCB Photo 11 Internal of PCB BT Antenna Page: 8 of 10 FCC ID: 2AJ5B-BT93 TB-RF-074-1.0 Photo 12 Appearance of PCB Photo 13 Appearance of PCB Page: 9 of 10 FCC ID: 2AJ5B-BT93 TB-RF-074-1.0 Photo 14 Appearance of PCB Photo 15 Appearance of PCB FM Antenna

Shenzhen Toby Technology Co., Ltd. Report No.: TB-MPE175150 Page: 1 of 3 TB-RF-075-1.0 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 Maximum Permissible Exposure Evaluation FCC ID: 2AJ5B-BT93 1. Client Information Applicant : SAGE HUMAN ELECTRONICS INTERNATIONAL CO.,LTD. Address : 4F.,A Building,Rongli Industrial Park,No.2 Guiyuan Rd.Guihua Community,Guanlan Town,Longhua New Dist. Shenzhen, China Manufacturer : SAGE HUMAN ELECTRONICS INTERNATIONAL CO.,LTD. Address : 4F.,A Building,Rongli Industrial Park,No.2 Guiyuan Rd.Guihua Community,Guanlan Town,Longhua New Dist. Shenzhen, China 2. General Description of EUT EUT Name : Bluetooth FM Transmitter for Car Models No. : BT93 Model Different : N/A Product Description : Operation Frequency: Bluetooth 5.0: 2402~2480 MHz RF Output Power: Bluetooth: 1.853dBm(GFSK) Antenna Gain: -0.68dBi PCB Antenna Power Rating : Input: DC 12-24V Output: QC3..0:DC 5V 3A, 9V2A, 12V1.5A USB:5V 1A Software Version : CGBT1756_shijie(BT93)_[FM88.1-107.9]_SDK120-02B_CE_TES T_v5 Hardware Version : BT93_2819P-V1.0 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-MPE175150 Page: 2 of 3 TB-RF-075-1.0 SAR Test Exclusion Calculations 1. FCC: According to KDB 447498 D01 Mobile and Portable Devices RF Exposure Procedures and Equipment Authorization Policies v06. (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-MPE175150 Page: 3 of 3 TB-RF-075-1.0 2. Calculation: Test separation: 5mm Bluetooth Mode (GFSK) Frequency (GHz) Conducted Power (dBm) Turn-up Power Tolerance (dB) Max power of tune up tolerance (dbm) Max power of tune up tolerance (mw) Calculation Value Threshold Value 2.402 -1.063 -1±1 0 1.000 0.310 3.0 2.441 1.853 1±1 2 1.585 0.495 3.0 2.480 1.324 1±1 2 1.585 0.499 3.0 Bluetooth Mode (π/4-DQPSK) Frequency (GHz) Conducted Power (dBm) Turn-up Power Tolerance (dB) Max power of tune up tolerance (dbm) Max power of tune up tolerance (mw) Calculation Value Threshold Value 2.402 0.812 0±1 1 1.259 0.390 3.0 2.441 1.072 1±1 2 1.585 0.495 3.0 2.480 0.621 0±1 1 1.259 0.397 3.0 Bluetooth Mode(8-DPSK) Frequency (GHz) Conducted Power (dBm) Turn-up Power Tolerance (dB) Max power of tune up tolerance (dbm) Max power of tune up tolerance (mw) Calculation Value Threshold Value 2.402 0.899 0±1 1 1.259 0.390 3.0 2.441 1.149 1±1 2 1.585 0.495 3.0 2.480 0.645 0±1 1 1.259 0.397 3.0 The worst RF Exposure Evaluation is calculated as 0.499 / cm2 < limit 3.0, So standalone SAR measurements are not required. -----END OF REPORT-----

Report No.: TB-FCC175148 Page: 1 of 82 TB-RF-074-1.0 FCC Radio Test Report FCC ID: 2AJ5B-BT93 Original Grant Report No. : TB-FCC175148 Applicant : SAGE HUMAN ELECTRONICS INTERNATIONAL CO.,LTD. Equipment Under Test (EUT) EUT Name : Bluetooth FM Transmitter for Car Model No. : BT93 Series Model No. : ---- Brand Name : BT93 Sample ID : TBBJ-20200804-09-1#& TBBJ-20200804-09-2# Receipt Date : 2020-08-24 Test Date : 2020-08-25 to 2020-09-05 Issue Date : 2020-09-05 Standards : FCC Part 15, 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 : Jack Deng Engineer Supervisor : Ivan Su Engineer Manager : Ray Lai 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-FCC175148 Page: 2 of 82 TB-RF-074-1.0 Contents CONTENTS ............................................................................................................................................. 2 1. GENERAL INFORMATION ABOUT EUT ............................................................................. 5 1.1 Client Information ................................................................................................................. 5 1.2 General Description of EUT (Equipment Under Test) ................................................... 5 1.3 Block Diagram Showing the Configuration of System Tested ...................................... 6 1.4 Description of Support Units .............................................................................................. 7 1.5 Description of Test Mode .................................................................................................... 7 1.6 Description of Test Software Setting ................................................................................ 8 1.7 Measurement Uncertainty .................................................................................................. 9 1.8 Test Facility ......................................................................................................................... 10 2. TEST SUMMARY ..................................................................................................................... 11 3. TEST SOFTWARE ................................................................................................................... 11 4. TEST EQUIPMENT .................................................................................................................. 12 5. CONDUCTED EMISSION TEST ........................................................................................... 13 5.1 Test Standard and Limit .................................................................................................... 13 5.2 Test Setup ........................................................................................................................... 13 5.3 Test Procedure ................................................................................................................... 13 5.4 Deviation From Test Standard ......................................................................................... 14 5.5 EUT Operating Mode ........................................................................................................ 14 5.6 Test Data ............................................................................................................................. 14 6. RADIATED EMISSION TEST ................................................................................................ 15 6.1 Test Standard and Limit .................................................................................................... 15 6.2 Test Setup ........................................................................................................................... 16 6.3 Test Procedure ................................................................................................................... 17 6.4 Deviation From Test Standard ......................................................................................... 17 6.5 EUT Operating Condition ................................................................................................. 17 6.6 Test Data ............................................................................................................................. 17 7. RESTRICTED BANDS REQUIREMENT ............................................................................. 18 7.1 Test Standard and Limit .................................................................................................... 18 7.2 Test Setup ........................................................................................................................... 18 7.3 Test Procedure ................................................................................................................... 18 7.4 Deviation From Test Standard ......................................................................................... 19 7.5 EUT Operating Condition ................................................................................................. 19 7.6 Test Data ............................................................................................................................. 19 8. NUMBER OF HOPPING CHANNEL .................................................................................... 20 8.1 Test Standard and Limit .................................................................................................... 20 8.2 Test Setup ...............................................................................................................…

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Page: 10 of 10 FCC ID: 2AJ5B-BT93 TB-RF-074-1.0 Appendix V EUT Test Photographs 15C Test Setup Photo of Setup for Radiated Emission (Above 1 GHz) Photo of Setup for Radiated Emission (Below 1 GHz) -----END OF REPORT-----