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ZBCWX-384AWIRELESS OVER EAR HEADPHONES

SHENZHEN DNS INDUSTRIES CO., LTD.
WIRELESS OVER EAR HEADPHONES - FCC ID ZBCWX-384A - SHENZHEN DNS INDUSTRIES CO., LTD.
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Application Details

Equipment Class
DTS - Digital Transmission System
Date of Grant
Aug 30, 2022
Application Purpose
Original Equipment
Date of Application
Aug 30, 2022
Equipment Note
WIRELESS OVER EAR HEADPHONES
Frequency Range
2402.00000000 - 2480.00000000
Company
SHENZHEN DNS INDUSTRIES CO., LTD.
Country
China

Documents & Files

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Users Manual

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Cover Letter(s)

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External Photos

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ID Label/Location Info

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Internal Photos

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RF Exposure Info

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Test Report

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Test Setup Photos

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Document Text

Text extracted from the exhibit documents filed with the FCC. Open a document above to read the original.

Users Manual

switch off the headphone or disconnect it from the Bluetooth menu of your device. Reconnect the Headphone To reconnect to the phone or Bluetooth device that you last used with it, switch on the headphones, or remake the connection in the Bluetooth menu of your device. Wired Connection You can also use the headphones with a wired connection. Simply connect the headphones to your device with the 3.5mm AUX cable provided. Inserting the audio cable plug will disable the wireless functionality. Charging Plug the charging cable into the USB-C port under the left ear-cap of the headphone. Plug the other end into a USB port on your computer or other device made for USB charging. The indicator light will turn red while charging. Once fully charged, the indicator light will turn blue. The charge time is approximately 2.5 hours on an empty battery. Technical Specification: • Bluetooth version: 5.0 • Working range: up to 10m (33ft.) • Driver unit: 40mm • Impedance: 32Ω±15% • Headset Sensitivity100±3dB(@ 1kHz) • Frequency response: 20Hz to 20kHz • Built -in Mic for hands-free function • Input: DC 5V/500mA • Battery: Rechargeable Lithium ion battery; 3.7V, 180mAh • Charging time: 2.5 hours • Playing time: 30 hours with 50% Volume • Standby time: ≥50 hours • Dimensions: 170X200X75 mm [LXWXH] • Weight: 165g • Use USBC cable to charge Caution 1. Please turn off the headset and put it into box to avoid damage, scratches or bracket deformation when long time no use. In order to prolong the battery service life, please charge every 3 months. 2. Please charge at first if the headset is left unused for long time. 3. The battery of headset is original and please don’t change it by yourself. 4. Please keep the headset under dry place. 5. Please don’t put this product into the environment with temperature over than 60 or into fire to avoid battery blast accident. 6. Please don’t bent or twist the bracket to avoid deformation. 7. Please don’t tear down ear-cushions by un-professional person. 8. Don’t adjust the volume to a very high level and continued play. If tinnitus occurs, please turn the volume down or stop playing, do not turn the volume up suddenly. Please slowly turn up the volume to avoid hearing damage caused by high volume. 9. Do not use the headset in dangerous place or place where cannot hear the outside sound. FCC COMPLIANCE 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 interfer- ence, and 2. This device must accept any interference received, including interference that may cause undesired operation. WARNING! 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. 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 interfer- ence in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accord- ance 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 Please read this manual carefully before using the headphones as this contains important safety information. Please keep the headphones away from children. INSTRUCTIONS WIRELESS OVER EAR HEADPHONES Multi-Function Button (Power/Play/Pause/Answer Calls/Google, Siri Voice Assistant) LED Indicator Light Volume Up/Next Track Volume Down/Previous Track USB-C Charging Port/AUX Input Microphone Supplier/manufacturer info: UK sales: WH Smith, SN3 3RX UK USA Sales: IMEG LLC, 3755 W Sunset Rd Suite A, Las Vegas, NV 89118 EU sales: WH Smith Ireland Limited, 6th Floor, 2 Grand Canal Square, Dublin 2, ROI Produced in China Contents • Headphone x 1 • Charging Cable (USB-C to USB-A) • Audio Cable (AUX to USB-C) Operation: Switching ON/OFF Switch ON: Press and hold the Power button for approxi- mately 3 seconds. The headset will then go into Bluetooth search mode (red / blue light flashes quickly and alternately followed by a tone). Switch OFF: Press and hold the Power button for approxi- mately 3 seconds. The red light will and turn off, followed by a tone. Headphone Pairing 1. Ensure that your phone or Bluetooth device is switched on. 2. To pair the headphone if it has not been previously paired with a device, switch on the headset. The headphone will enter search mode and the light will flash red/blue. To pair the headphone if it has been previously paired with another device, ensure that the previously paired device is switched on. 3. Ensure Bluetooth is switched on your phone or device and search for wireless devices. 4. Select “InMotion” from the device list. When successfully paired, there will be a prompt tone followed by a blue light. The headphone that was previously paired will automatically connect with the device if the device is on and within connecting range. If not, the headphone will enter search mode and the red/blue light will keep flashing. It will do this for 10 minutes and then automatically switch off. Adjust the Volume The volume will go up or down with a long press of the +/- button during a call or listening to music. When the volume reaches maximum, there will be a warning…

Text truncated - open the document above for the full version.

Cover Letter(s)

SHENZHEN DNS INDUSTRIES CO., LTD. 23/F Building A, Shenzhen International Innovation Center, No.1006 Shennan Road, Futian, shenzhen 518026, China Agent Authorization Company: SHENZHEN DNS INDUSTRIES CO., LTD. Address: 23/F Building A, Shenzhen International Innovation Center, No.1006 Shennan Road, Futian, shenzhen 518026, China Product Name: WIRELESS OVER EAR HEADPHONES Model Number(s): WX-384A, 3094761 Product Description: WIRELESS OVER EAR HEADPHONES 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: Aug. 23, 2022 Name: Yuki Wu Title: General Manager Company: SHENZHEN DNS INDUSTRIES CO., LTD.

Cover Letter(s)

SHENZHEN DNS INDUSTRIES CO., LTD. 23/F Building A, Shenzhen International Innovation Center, No.1006 Shennan Road, Futian, shenzhen 518026, China Aug. 23, 2022 Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Subject: Explanation of differences between product types FCC ID: ZBCWX-384A Models: WX-384A, 3094761 To Whom It May Concern: We, The SHENZHEN DNS INDUSTRIES CO., LTD. hereby declare that the model : WX-384A is identical with the model : 3094761, except the model name. Except for the different above, no other modification is performed. Sincerely, SHENZHEN DNS INDUSTRIES CO., LTD. Signature: [Yuki Wu, General Manager]

Cover Letter(s)

SHENZHENDNSINDUSTRIESCO.,LTD. 23/FBuildingA,ShenzhenInternationalInnovationCenter,No.1006ShennanRoad, Futian,shenzhen518026,China OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 USA Date:Aug.23,2022 Subject;RequestforConfidentiality FCCID:ZBCWX-384A ToWhomItMayConcern, PursuanttotheprovisionsoftheCommission’srulesTitle47Sections§0.457and§0.459,we arerequestingtheCommissiontowithholdthefollowingattachment(s)asconfidential documentsfrompublicdisclosureindefinitely. Thesedocumentscontaindetailedsystemandequipmentdescriptionsandareconsideredas proprietaryinformationinoperationoftheequipment.Thepublicdisclosureofthesedocuments mightbeharmfultoourcompanyandwouldgivecompetitorsanunfairadvantageinthemarket. SchematicDiagram BlockDiagram OperationalDescription PartsList Itisourunderstandingthatallmeasurementtestreports,FCCIDlabelformatand correspondenceduringthecertificationreviewprocesscannotbegrantedasconfidential documentsandthisinformationwillbeavailableforpublicreviewoncethegrantofequipment authorizationisissued. Sincerely, Signature: Name:YukiWu Title:GeneralManager

External Photos

Report No.: AGC05803220407AP02 Page 1 of 4 EXTERNAL PHOTOS WHOLE VIEW OF EUT TOP VIEW OF EUT Report No.: AGC05803220407AP02 Page 2 of 4 BOTTOM VIEW OF EUT FRONT VIEW OF EUT Report No.: AGC05803220407AP02 Page 3 of 4 BACK VIEW OF EUT LEFT VIEW OF EUT Report No.: AGC05803220407AP02 Page 4 of 4 RIGHT VIEW OF EUT ****************************************End of Report****************************************

ID Label/Location Info

FCC ID Label Location 10mm*10mm FCC ID: ZBCWX-384A

Internal Photos

Report No.: AGC05803220407AP02 Page 1 of 3 INTERNAL PHOTOS VIEW OF EUT(PORT) OPEN VIEW OF EUT Report No.: AGC05803220407AP02 Page 2 of 3 VIEW OF BATTERY INTERNAL VIEW OF EUT-1 BT Antenna Report No.: AGC05803220407AP02 Page 3 of 3 INTERNAL VIEW OF EUT-2 INTERNAL VIEW OF EUT-3 ****************************************End of Report****************************************

RF Exposure Info

RF EXPOSURE EVALUATION 1. PRODUCT INFORMATION Product Description WIRELESS OVER EAR HEADPHONES Model Name WX-384A Series Model 3094761 FCC ID ZBCWX-384A 2. EVALUATION METHOD According to 447498 D01 General RF Exposure Guidance v06 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: P t =-4.793dBm=0.33mW 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=(0.33mW / 5mm).[√2.441GHz)]=0.103<3.0 for 1-g SAR and ≤ 7.5 for 10-g extremity SAR. BLE: P t =-4.375dBm=0.37mW 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=(0.37mW / 5mm).[√2.440GHz)]=0.115<3.0 for 1-g SAR and ≤ 7.5 for 10-g extremity SAR. 4. CONCLUSION The SAR evaluation is not required.

Test Report

Page 1 of 40 FCC Test Report Report No.: AGC05803220407FE02 FCC ID : ZBCWX-384A APPLICATION PURPOSE : Original Equipment PRODUCT DESIGNATION : WIRELESS OVER EAR HEADPHONES BRAND NAME : DNS, INMOTION MODEL NAME : WX-384A, 3094761 APPLICANT : SHENZHEN DNS INDUSTRIES CO., LTD. DATE OF ISSUE : Jun. 24, 2022 STANDARD(S) : FCC Part 15.247 REPORT VERSION : V1.0 Attestation of Global Compliance (Shenzhen) Co., Ltd Report No.: AGC05803220407FE02 Page 2 of 39 REPORT REVISE RECORD Report Version Revise Time Issued Date Valid Version Notes V1.0 / Jun. 24, 2022 Valid Initial Release Report No.: AGC05803220407FE02 Page 3 of 39 TABLE OF CONTENTS 1. VERIFICATION OF COMPLIANCE .................................................................................................................. 4 2. GENERAL INFORMATION .............................................................................................................................. 5 2.1. PRODUCT DESCRIPTION ........................................................................................................................ 5 2.2. TABLE OF CARRIER FREQUENCYS ....................................................................................................... 5 2.3. RELATED SUBMITTAL(S)/GRANT(S) ....................................................................................................... 6 2.4. TEST METHODOLOGY ............................................................................................................................. 6 2.5. SPECIAL ACCESSORIES .......................................................................................................................... 6 2.6. EQUIPMENT MODIFICATIONS ................................................................................................................. 6 2.7. ANTENNA REQUIREMENT ....................................................................................................................... 6 3. MEASUREMENT UNCERTAINTY ................................................................................................................... 7 4. DESCRIPTION OF TEST MODES ................................................................................................................... 8 5. SYSTEM TEST CONFIGURATION .................................................................................................................. 9 5.1. CONFIGURATION OF TESTED SYSTEM ................................................................................................. 9 5.2. EQUIPMENT USED IN TESTED SYSTEM ................................................................................................ 9 5.3. SUMMARY OF TEST RESULTS ................................................................................................................ 9 6. TEST FACILITY .............................................................................................................................................. 10 7. PEAK OUTPUT POWER ................................................................................................................................ 11 7.1. MEASUREMENT PROCEDURE .............................................................................................................. 11 7.2. TEST SET-UP (BLOCK DIAGRAM OF CONFIGURATION) .................................................................... 11 7.3. LIMITS AND MEASUREMENT RESULT .................................................................................................. 12 8. BANDWIDTH .................................................................................................................................................. 14 8.1. MEASUREMENT PROCEDURE .............................................................................................................. 14 8.2. TEST SET-UP (BLOCK DIAGRAM OF CONFIGURATION) .................................................................... 14 8.3. LIMITS AND MEASUREMENT RESULTS ............................................................................................... 14 9. CONDUCTED SPURIOUS EMISSION........................................................................................................... 18 9.1. MEASUREMENT PROCEDURE .............................................................................................................. 18 9.2. TEST SET-UP (BLOCK DIAGRAM OF CONFIGURATION) .................................................................... 18 9.3. MEASUREMENT EQUIPMENT USED .................................................................................................... 18 9.4. LIMITS AND MEASUREMENT RESULT .................................................................................................. 18 10. MAXIMUM CONDUCTED OUTPUT POWER SPECTRAL DENSITY ........................................................ 25 10.1. MEASUREMENT PROCEDURE ............................................................................................................ 25 10.2. TEST SET-UP (BLOCK DIAGRAM OF CONFIGURATION) .................................................................. 25 10.3. MEASUREMENT EQUIPMENT USED .................................................................................................. 25 10.4. LIMITS AND MEASUREMENT RESULT................................................................................................ 25 11. RADIATED EMISSION ................................................................................................................................. 27 11.1. MEASUREMENT PROCEDURE ............................................................................................................ 27 11.2. TEST SETUP .......................................................................................................................................... 28 11.3. LIMITS AND MEASUREMENT RESULT................................................................................................ 29 11…

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Test Report

InvertedFAntennaSpecification Summary ITEMANTSPEC ModelName2.4GANT Center Frequency HorizontalVertical 2400MHz2400MHz2500MHz2400MHz2400MHz2500MHz -1.73-0.84-0.68-6.15-3.70-2.32 MAX.Gain-0.68 PolarizationHorizontalandVertical AzimuthBeam Pattern Omni-directional Impedance50Ohm AntennaLength38.20mm ManufactureZHUHAIJIELITECHNOLOGYCO.,LTD AntennaPhoto&Length(mm) Horizontal:2400MHz2450MHz2500MHz Power(dBm) Max:0Min:-40Scale:5/div Frequency (MHz) Gain(dB) MaxMinAvg 2400-1.73178-30.0815-8.48713 2450-0.845801-38.5605-7.88012 2500-0.685586-24.0318-6.79139 Vertical:2400MHz2450MHz2500MHz Power(dBm) Max:0Min:-30Scale:5/div Frequency (MHz) Gain(dB) MaxMinAvg 2400-6.1530-24.1420-13.0295 2450-3.7054-26.5836-10.6700 2500-2.32122-30.4301-9.70536 ANTTestLabs:AttestationofGlobalComplianceCo.,Ltd.

Test Setup Photos

Report No.: AGC05803220407AP01 Page 1 of 2 TEST SETUP PHOTOS RADIATED EMISSION TEST SETUP BELOW 1GHz RADIATED EMISSION TEST SETUP ABOVE 1GHz Report No.: AGC05803220407AP01 Page 2 of 2 RF CONDUCTED TEST SETUP ****************************************End of Report*************************************

Contact Information

Applicant

Yuki Wu
[email protected]+86-755-83401338Fax: +86-755-83301489

Technical Contact

SHENZHEN DNS INDUSTRIES CO., LTD.
[email protected]

China

Test Firm

Attestation of Global Compliance (Shenzhen) Co., LDoris Li
[email protected]+86-755-25234088

Technical Specifications

#Rule PartsFrequency RangePower Output
115C2.40 GHz - 2.48 GHz400.00 µW
Confidentiality
Long Term
Grant Notes
Power listed is the maximum conducted output power.

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