2AS5Z-HYPHEN2TWS Bluetooth Headset

               
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Ferraris Group Sagl Agent Authorization Company: Ferraris Group Sagl Address: Corso San Gottardo 99, Chiasso 6830, Switzerland Product Name: TWS Bluetooth Headset Model Number(s): Hyphen 2 Product Description: TWS Bluetooth Headset We authorize MiCOM Labs Inc., 575 Boulder Court, Pleasanton, California 94566, USA, to act on our behalf on all matters concerning the certification of above named equipment. We declare that MiCOM Labs Inc. 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 MiCOM Labs on our behalf shall have the same effect as acts of our own. Signature: Date: 2020-12-31 Name: Lorenzo Ferraris Company: Ferraris Group Sagl

Ferraris Group Sagl Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 2020-12-15 Subject; Request for Confidentiality FCC ID: 2AS5Z-HYPHEN2 To Whom It May Concern, Pursuant to the provisions of the Commission’s rules Title 47 Sections §0.457 and §0.459, we are requesting the Commission to withhold the following attachment(s) as confidential documents from public disclosure indefinitely. These documents contain detailed system and equipment descriptions and are considered as proprietary information in operation of the equipment. The public disclosure of these documents might be harmful to our company and would give competitors an unfair advantage in the market. Schematic Diagram Block Diagram Parts List Operational Description Tune-up Procedure In additional to above mentioned documents, in order to comply with the marketing regulations in Title 47 CFR §2.803 and the importation rules in Title 47 CFR §2.1204, while ensuring that business sensitive information remains confidential until the actual marketing of newly authorized devices, we request Short Term Confidentiality of the following attachment(s); External Photos Test Setup Photos Internal Photos User Manual For 45 days, pursuant to Public Notice DA 04-1705. OR For 180 days pursuant to KDB 726920 D01. It is our understanding that all measurement test reports, FCC ID label format and correspondence during the certification review process cannot be granted as confidential documents and this information will be available for public review once the grant of equipment authorization is issued. Sincerely Ferraris Group Sagl Contact person: Lorenzo Ferraris

External Photos WHOLE VIEW OF EUT TOP VIEW OF EUT BOTTOM VIEW OF EUT FRONT VIEW OF EUT BACK VIEW OF EUT LEFT VIEW OF EUT RIGHT VIEW OF EUT Left VIEW OF EUT(PORT) Right VIEW OF EUT(PORT)

FCC ID Label Location The product does not have enough space to place the label, and FCC ID label is reflected in the user manual and package, as below:

Internal Photos Left OPEN VIEW OF EUT VIEW OF BATTERY INTERNAL VIEW OF EUT-1 INTERNAL VIEW OF EUT-2 INTERNAL VIEW OF EUT-3 INTERNAL VIEW OF EUT-4 BT Antenna Right OPEN VIEW OF EUT VIEW OF BATTERY INTERNAL VIEW OF EUT-1 INTERNAL VIEW OF EUT-2 INTERNAL VIEW OF EUT-3 INTERNAL VIEW OF EUT-4 BT Antenna

RF EXPOSURE EVALUATION 1. PRODUCT INFORMATION Product Description TWS Bluetooth Headset Model Name Hyphen 2 FCC ID 2AS5Z-HYPHEN2 2. EVALUATION METHOD According to 447498 D01 General RF Exposure Guidance v05 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 3. CALCULATION BR/EDR (Right): P t =1.362dBm=1.37mW The value of the Maximum output power P t is referred to the test report of the CFR47 §15.247. The result for RF exposure evaluation SAR=(1.37mW /5mm) .[√2.402GHz)]=0.42<3.0 for 1-g SAR and ≤ 7.5 for 10-g extremity SAR. 4. CONCLUSION The SAR evaluation is not required.

Page 1 of 77 FCC Test Report Report No.: AGC01082201106FE03 FCC ID : 2AS5Z-HYPHEN2 APPLICATION PURPOSE : Original Equipment PRODUCT DESIGNATION : TWS Bluetooth Headset BRAND NAME : RollingSquare MODEL NAME : Hyphen 2 APPLICANT : Ferraris Group Sagl DATE OF ISSUE : Dec. 15, 2020 STANDARD(S) : FCC 47 CFR Part15 Subpart C:2015 REPORT VERSION : V1.0 Attestation of Global Compliance (Shenzhen) Co., Ltd Report No.: AGC01082201106FE03 Page 2 of 77 REPORT REVISE RECORD Report Version Revise Time Issued Date Valid Version Notes V1.0 / Dec. 15, 2020 Valid Initial Release Report No.: AGC01082201106FE03 Page 3 of 77 TABLE OF CONTENTS 1. VERIFICATION OF CONFORMITY ............................................................................................................... 5 2. GENERAL INFORMATION ............................................................................................................................ 6 2.1. PRODUCT DESCRIPTION ..................................................................................................................... 6 2.2. TABLE OF CARRIER FREQUENCYS ..................................................................................................... 6 2.3. RECEIVER INPUT BANDWIDTH ............................................................................................................ 7 2.4. EXAMPLE OF A HOPPING SEQUENCY IN DATA MODE ....................................................................... 7 2.5. EQUALLY AVERAGE USE OF FREQUENCIES AND BEHAVIOUR ........................................................ 7 2.6. RELATED SUBMITTAL(S) / GRANT (S) .................................................................................................. 8 2.7. TEST METHODOLOGY .......................................................................................................................... 8 2.8. SPECIAL ACCESSORIES ....................................................................................................................... 8 2.9. EQUIPMENT MODIFICATIONS .............................................................................................................. 8 2.10. ANTENNA REQUIREMENT .................................................................................................................. 8 3. MEASUREMENT UNCERTAINTY ................................................................................................................. 9 4. DESCRIPTION OF TEST MODES ............................................................................................................... 10 5. SYSTEM TEST CONFIGURATION ............................................................................................................. 11 5.1. CONFIGURATION OF EUT SYSTEM .................................................................................................... 11 5.2. EQUIPMENT USED IN TESTED SYSTEM ............................................................................................. 11 5.3. SUMMARY OF TEST RESULTS ............................................................................................................. 11 6. TEST FACILITY ........................................................................................................................................... 12 7. PEAK OUTPUT POWER ............................................................................................................................. 13 7.1. MEASUREMENT PROCEDURE ........................................................................................................... 13 7.2. TEST SET-UP (BLOCK DIAGRAM OF CONFIGURATION) ................................................................... 13 7.3. LIMITS AND MEASUREMENT RESULT ............................................................................................... 14 8. 20DB BANDWIDTH ..................................................................................................................................... 26 8.1. MEASUREMENT PROCEDURE ........................................................................................................... 26 8.2. TEST SET-UP (BLOCK DIAGRAM OF CONFIGURATION) ................................................................... 26 8.3. LIMITS AND MEASUREMENT RESULTS ............................................................................................. 27 9. CONDUCTED SPURIOUS EMISSION ........................................................................................................ 33 9.1. MEASUREMENT PROCEDURE ........................................................................................................... 33 Report No.: AGC01082201106FE03 Page 4 of 77 9.2. TEST SET-UP (BLOCK DIAGRAM OF CONFIGURATION) ................................................................... 33 9.3. MEASUREMENT EQUIPMENT USED .................................................................................................. 33 9.4. LIMITS AND MEASUREMENT RESULT ............................................................................................... 33 10. RADIATED EMISSION ............................................................................................................................... 46 10.1. MEASUREMENT PROCEDURE ......................................................................................................... 46 10.2. TEST SETUP ....................................................................................................................................... 48 10.3. LIMITS AND MEASUREMENT RESULT ............................................................................................. 49 10.4. TEST RESULT ..................................................................................................................................... 49 11. NUMBER OF HOPPING FREQUENCY ..................................................................................................... 59 11.1. MEASUREMENT PROCEDURE…

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Report No.: AGC01082201106FE03 Page 48 of 77 10.2. TEST SETUP Radiated Emission Test-Setup Frequency Below 30MHz RADIATED EMISSION TEST SETUP 30MHz-1000MHz RADIATED EMISSION TEST SETUP ABOVE 1000MHz Report No.: AGC01082201106FE03 Page 49 of 77 10.3. LIMITS AND MEASUREMENT RESULT 15.209 Limit in the below table has to be followed Frequencies (MHz) Field Strength (microvolts/meter) Measurement Distance (meters) 0.009~0.490 2400/F(kHz) 300 0.490~1.705 24000/F(kHz) 30 1.705~30.0 30 30 30~88 100 3 88~216 150 3 216~960 200 3 Above 960 500 3 Note: All modes were tested for restricted band radiated emission, the test records reported below are the worst result compared to other modes. 10.4. TEST RESULT RADIATED EMISSION BELOW 30MHz The amplitude of spurious emissions from 9kHz to 30MHz which are attenuated more than 20 dB below the permissible value need not be reported. Report No.: AGC01082201106FE03 Page 50 of 77 RADIATED EMISSION BELOW 1GHz EUT TWS Bluetooth Headset Model Name Hyphen 2 Temperature 25°C Relative Humidity 55.4% Pressure 960hPa Test Voltage Normal Voltage Test Mode Mode 7 Antenna Horizontal RESULT: PASS Report No.: AGC01082201106FE03 Page 51 of 77 EUT TWS Bluetooth Headset Model Name Hyphen 2 Temperature 25°C Relative Humidity 55.4% Pressure 960hPa Test Voltage Normal Voltage Test Mode Mode 7 Antenna Vertical RESULT: PASS Note: 1. Factor=Antenna Factor + Cable loss, Over= Measurement –Limit. 2. All test modes had been pre-tested. The mode 7 is the worst case and recorded in the report. Report No.: AGC01082201106FE03 Page 52 of 77 RADIATED EMISSION ABOVE 1GHz EUT TWS Bluetooth Headset Model Name Hyphen 2 Temperature 25°C Relative Humidity 55.4% Pressure 960hPa Test Voltage Normal Voltage Test Mode Mode 7 Antenna Horizontal FrequencyMeter ReadingFactorEmission LevelLimitsMargin (MHz)(dBμV)(dB)(dBμV/m)(dBμV/m)(dB) 4804.00046.760.0846.8474-27.16 peak 4804.00036.580.0836.6654-17.34 AVG 7206.00039.622.2141.8374-32.17 peak 7206.00032.332.2134.5454-19.46 AVG Remark: Factor = Antenna Factor + Cable Loss – Pre-amplifier. Value Type EUT TWS Bluetooth Headset Model Name Hyphen 2 Temperature 25°C Relative Humidity 55.4% Pressure 960hPa Test Voltage Normal Voltage Test Mode Mode 7 Antenna Vertical FrequencyMeter ReadingFactorEmission LevelLimitsMargin (MHz)(dBμV)(dB)(dBμV/m)(dBμV/m)(dB) 4804.00045.460.0845.5474-28.46 peak 4804.00035.950.0836.0354-17.97 AVG 7206.00039.622.2141.8374-32.17 peak 7206.00031.322.2133.5354-20.47 AVG Remark: Factor = Antenna Factor + Cable Loss – Pre-amplifier. Value Type Report No.: AGC01082201106FE03 Page 53 of 77 EUT TWS Bluetooth Headset Model Name Hyphen 2 Temperature 25°C Relative Humidity 55.4% Pressure 960hPa Test Voltage Normal Voltage Test Mode Mode 8 Antenna Horizontal FrequencyMeter ReadingFactorEmission LevelLimitsMargin (MHz)(dBμV)(dB)(dBμV/m)(dBμV/m)(dB) 4882.00047.280.1447.4274-26.58 peak 4882.00036.640.1436.7854-17.22 AVG 7323.00040.392.3642.7574-31.25 peak 7323.00033.572.3635.9354-18.07 AVG Remark: Factor = Antenna Factor + Cable Loss – Pre-amplifier. Value Type EUT TWS Bluetooth Headset Model Name Hyphen 2 Temperature 25°C Relative Humidity 55.4% Pressure 960hPa Test Voltage Normal Voltage Test Mode Mode 8 Antenna Vertical FrequencyMeter ReadingFactorEmission LevelLimitsMargin (MHz)(dBμV)(dB)(dBμV/m)(dBμV/m)(dB) 4882.00047.860.144874-26 peak 4882.00039.570.1439.7154-14.29 AVG 7323.00041.642.364474-30 peak 7323.00033.952.3636.3154-17.69 AVG Remark: Factor = Antenna Factor + Cable Loss – Pre-amplifier. Value Type Report No.: AGC01082201106FE03 Page 54 of 77 EUT TWS Bluetooth Headset Model Name Hyphen 2 Temperature 25°C Relative Humidity 55.4% Pressure 960hPa Test Voltage Normal Voltage Test Mode Mode 9 Antenna Horizontal FrequencyMeter ReadingFactorEmission LevelLimitsMargin (MHz)(dBμV)(dB)(dBμV/m)(dBμV/m)(dB) 4960.00045.790.2246.0174-27.99 peak 4960.00036.360.2236.5854-17.42 AVG 7440.00039.422.6442.0674-31.94 peak 7440.00030.352.6432.9954-21.01 AVG Remark: Factor = Antenna Factor + Cable Loss – Pre-amplifier. Value Type EUT TWS Bluetooth Headset Model Name Hyphen 2 Temperature 25°C Relative Humidity 55.4% Pressure 960hPa Test Voltage Normal Voltage Test Mode Mode 9 Antenna Vertical FrequencyMeter ReadingFactorEmission LevelLimitsMargin (MHz)(dBμV)(dB)(dBμV/m)(dBμV/m)(dB) 4960.00045.860.2246.0874-27.92 peak 4960.00035.390.2235.6154-18.39 AVG 7440.00039.472.6442.1174-31.89 peak 7440.00030.322.6432.9654-21.04 AVG Remark: Factor = Antenna Factor + Cable Loss – Pre-amplifier. Value Type RESULT: PASS Note: The amplitude of other spurious emissions from 1G to 25 GHz which are attenuated more than 20 dB below the permissible value need not be reported. Factor = Antenna Factor + Cable loss - Amplifier gain, Margin= Level -Limit. The “Factor” value can be calculated automatically by software of measurement system. All test modes had been tested. The 8DPSK modulation is the worst case and recorded in the report. Report No.: AGC01082201106FE03 Page 55 of 77 TEST RESULT FOR RESTRICTED BANDS REQUIREMENTS EUT TWS Bluetooth Headset Model Name Hyphen 2 Temperature 25°C Relative Humidity 55.4% Pressure 960hPa Test Voltage Normal Voltage Test Mode Mode 7 Antenna Horizontal PK AV RESULT: PASS Report No.: AGC01082201106FE03 Page 56 of 77 EUT TWS Bluetooth Headset Model Name Hyphen 2 Temperature 25°C Relative Humidity 55.4% Pressure 960hPa Test Voltage Normal Voltage Test Mode Mode 7 Antenna Vertical PK AV RESULT: PASS Report No.: AGC01082201106FE03 Page 57 of 77 EUT TWS Bluetooth Headset Model Name Hyphen 2 Temperature 25°C Relative Humidity 55.4% Pressure 960hPa Test Voltage Normal Voltage Test Mode Mode 9 Antenna Horizontal PK AV RESULT: PASS Report No.: AGC01082201106FE03 Page 58 of 77 EUT TWS Bluetooth Headset Model Name Hyphen 2 Temperature 25°C Relative Humidity 55.4% Pressure 960hPa Test Voltage Normal Voltage Test Mode Mode 9 Antenna Vertical PK AV RESULT: PASS Note: The factor had been edited in the “Input Correction” of the Spectrum Analyzer. The 8DPSK modulat…

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Report No.: AGC01082201106FE03 Page 75 of 77 VIEW OF BATTERY INTERNAL VIEW OF EUT-1 Report No.: AGC01082201106FE03 Page 76 of 77 INTERNAL VIEW OF EUT-2 INTERNAL VIEW OF EUT-3 Report No.: AGC01082201106FE03 Page 77 of 77 INTERNAL VIEW OF EUT-4 ----END OF REPORT---- BT Antenna Conditions of Issuance of Test Reports 1. All samples and goods are accepted by the Attestation of Global Compliance (Shenzhen) Co., Ltd (the “Company”) solely for testing and reporting in accordance with the following terms and conditions. The company provides its services on the basis that such terms and conditions constitute express agreement between the company and any person, firm or company requesting its services (the “Clients”). 2. Any report issued by Company as a result of this application for testing services (the “Report”) shall be issued in confidence to the Clients and the Report will be strictly treated as such by the Company. It may not be reproduced either in its entirety or in part and it may not be used for advertising or other unauthorized purposes without the written consent of the Company. The Clients to whom the Report is issued may, however, show or send it, or a certified copy thereof prepared by the Company to its customer, supplier or other persons directly concerned. The Company will not, without the consent of the Clients, enter into any discussion or correspondence with any third party concerning the contents of the Report, unless required by the relevant governmental authorities, laws or court orders. 3.The Company shall not be called or be liable to be called to give evidence or testimony on the Report in a court of law without its prior written consent, unless required by the relevant governmental authorities, laws or court orders. 4. The non-CMA report issued by AGC is only permitted to be used by the client as internal reference use and shall not be used for public demonstration purpose. 5. In the event of the improper use of the report as determined by the Company, the Company reserves the right to withdraw it, and to adopt any other additional remedies which may be appropriate. 6. Samples submitted for testing are accepted on the understanding that the Report issued cannot form the basis of, or be the instrument for, any legal action against the Company. 7. The Company will not be liable for or accept responsibility for any loss or damage however arising from the use of information contained in any of its Reports or in any communication whatsoever about its said tests or investigations. 8.Clients wishing to use the Report in court proceedings or arbitration shall inform the Company to that effect prior to submitting the sample for testing. 9. The Company is not responsible for recalling the electronic version of the original report when any revision is made to them. The Client assumes the responsibility to providing the revised version to any interested party who uses them. 10. Subject to the variable length of retention time for test data and report stored hereinto as otherwise specifically required by individual accreditation authorities, the Company will only keep the supporting test data and information of the test report for a period of six years. The data and information will be disposed of after the aforementioned retention period has elapsed. Under no circumstances shall we provide any data and information which has been disposed of after retention period. Under no circumstances shall we be liable for damage of any kind, including (but not limited to) compensatory damages, lost profits, lost data, or any form of special, incidental, indirect, consequential or punitive damages of any kind, whether based on breach of contract of warranty, tort (including negligence), product liability or otherwise, even if we are informed in advance of the possibility of such damages.

Test Setup Photos RADIATED EMISSION TEST SETUP BELOW 1GHz RADIATED EMISSION TEST SETUP ABOVE 1GHz CONDUCTED TEST SETUP