2A2E4-EPOCH1Bluetooth speaker

Speaker accessories: Technical parameters Wireless function External audio AUX input function Conponents function description Udisk function Indicator Status Wireless is not connected: blue light fast flashing. Wireless connected: blue light stop flashing. Play music: blue light slow flashing. Using the environment and storage environment Epoch1 user manual 52 Infrared remote control function 1. Operating environment Temperature: 0 ~ 40 DEG C, humidity: 0% ~ 85%RH. 2. Storage environment Temperature -30 ~ 60 DEG C, humidity: 0% ~ 90%RH. 1 2 3 4 5 6 7 8 9 1. Volume up/previous song 2. Volume down/next song 3. Music play/pause button 4. Mode switch key(switch to COAX/USB/AUX/BT modes) 5. Power on/off button 6. Coaxial digital audio input socket 7. U-disk/USB interface 8. 3.5 mm AUX input socket 9. Type-C power input interface (9V2A) NO. NAME MODE WIRELESS UDISK AUX/COAX 1 CLICK :PLAY/PAUSE ; CLICK:PLAY/PAUSE; CLICK TO MUTE 2 + CLICK TO VOLUME UP;LONG PRESS TO PREVIOUS SONG CLICK TO VOLUME UP;LONG PRESS TO PREVIOUS SONG CLICK TO VOLUME UP 3 _ CLICK TO VOLUME DOWN ;LONG PRESS TO NEXT SONG CLICK TO VOLUME DOWN ;LONG PRESS TO NEXT SONG CLICK TO VOLUME DOWN OPERATION COAX USB AUX DC-9V COAX USB AUX DC-9V 1. In the boot state ,as shown, connected the audio cable for your device and the speaker. 2. You can press the "COAX" button of the remote control to enter the coaxial mode or press the mode switching button once to the coaxial audio mode on speaker, at the speaker changed successful you can hear a beeps . 3. Set digital audio output from your TV first (setting--sound–digital audio output-- select PCM/ setting--sound–coaxial output--ON) . 4. Long press “+” “-” button to volume up/down. 5. Short press “ ” button to mute. NOTE: Please select audio source output of the TV, can not be used directly. Speaker connect to TV’S SPDIF/COAXIAL interface C o a x i a l COAXIAL MODE Troubleshooting 1.No sound in Coaxial audio mode Please confirm the speaker whether Coaxial mode is currently entered ,press the “COAX” button of the remote control to enter the coaxial mode or unplug the Udisk and AUX audio cable ,restart the speaker and short press the “M” button to enter the coaxial mode. Set digital audio output from your TV first (setting--sound–digital audio output-- select PCM / setting--sound--coaxial output--ON), devices compatibility will be vary, see your device’s documentation for more information to set. 2.Unable to boot Please charge the battery, and the charging LED indicator light is red; Use the reset button to reset (the operation method is indicated on the second page of the manual). 3.No sound Is the mute function turned on or the volume adjusted to a minimum? Press the mute button to close the function or turn up the volume. 4.The remote control does not work Is the battery exhausted ? Change a new battery. Is the distance between the remote control and the speaker too far? Get close to the device. Is the remote control aimed at the infrared receiver? Aim the remote control at the middle part of the speaker . 5.Wireless cannot connect Please confirm the speaker whether wireless mode is currently entered (the blue indicator will flash quickly in wireless mode). Restart the speaker, delete the phone’s wireless record and search for a new pair. 1 Connected the power supply to the speaker at first, long press the power button about 3 seconds, the blue light will be flashing and accompanied by boot sound, then the wireless speaker has been in standby search status. 2 Open the phone's wireless function, searched the speaker's wireless -- name : "Fosurul Epoch 1" and paired, when the speaker connected successfully, a sound will beep, at the same time, the blue light stop flashing, you can start using the speaker to play music; the next time with the same device matching, the speaker will automatically to connected. ☆Power Adapter: DC 9V 2A ☆Noise ratio : ≥90DB ☆Distortion: THD ≤ 1% ☆Support digital audio output of the TV : SPDIF/Coaxial connection ☆Support Udisk music format: MP3 /WAV – ☆Wireless transmission distance: 10M (due to environmental factors and wireless devices vary) ☆Conforms to the Wireless V5.0 agreement User manual*1 Remote control*1 Coaxial cable*1 Power adapter*1 3.5mm AUX cable*1 BT AUX OPT COAX CARD USB S O U N D B A R - S 1 6 L u s e r m a n u a l 52 COAX USB AUX DC-9V U d i s k In the boot state, when inserted the Udisk, the speaker will automatically converted to USB mode, and with a prompt tone, the music will be played automatically after 2 seconds, short press “+ -” button to volume adjustment, long press "+ - " button to the preview/next songs. NOTE: the Udisk must have Mp3 audio files or WAV format files . In the boot state, the external devices (such as mobile phones, computers/MP3 and other audio output devices) with the 3.5mm audio cable connected to the speaker, this time the speaker will automatically switch to the AUX input mode, there will be a tone, then the speaker can play the audio from the device. Sleep/Wake Silent Volume up Volume down Previous song Play/pause Next song Udisk mode AUX input mode No function Coaxial digital audio input mode Please put in two AAA batterys before use Wireless mode BT AUX OPT COAX CARD USB NOTE1.short press “+ -” button to volume adjustment, long press "+ - " button to the preview/next songs. 2. If the USB or AUX ports are not plugged into the device, pressing the“M” key will not switch to this mode. NOTE: 1.Without disconnecting the power, the speaker will remember the mode before the last shutdown when it is turned on next time. 2.In COAX/AUX modes, the“ / ”button has no function, press“ ” button is the mute function. DC IN AUX COAX HDMI ARC USB DC IN AUX COAX HDMI ARC USB Audio output from Mobile Phones Audio output from TV or Other Devices L i n e o u t 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 dev…

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Shen zhen shi dao zi ke ji you xian gong si 1/1 Letter of Authorization Company: Shen zhen shi dao zi ke ji you xian gong si Address: A616, 6th Floor, Building A, Shanhai City Dinghui, No. 37, Longjingao Road, Yangmei Community, Bantian Street, Longgang District, Shenzhen Product Name: Bluetooth speaker Model Number: Epoch 1 FCC Identifier: 2A2E4-EPOCH1 We authorize LGAI Technological Center S.A., Ronda de la Font del Carme, s/n, 08193 Bellaterra, Spain, to act on our behalf on all matters concerning the above named equipment. Any individual within LGAI Technological Center S.A. is authorized to act on our behalf and take action on the application. We declare that authorize LGAI Technological Center S.A., Ronda de la Font del Carme, s/n, 08193 Bellaterra, Spain, is allowed to forward all information related to the approval project to the Federal Communication Commission and to discuss any issues concerning the approval application. Any and all acts carried out by LGAI Technological Center S.A. on our behalf shall have the same effect as acts of our own. Name: Corinna Wu Date: 2021-06-25 Title: Manager Signature of applicant:

Shen zhen shi dao zi ke ji you xian gong si 1/1 Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 Date: 2021-06-25 Subject: Request for Confidentiality FCC ID: 2A2E4-EPOCH1 To Whom It May Concern, Pursuant to the provisions of Sections 0.457 and 0.459 of Commission's rules (47CFR0.457, 0.459), we are requesting the Commission to withhold the following attachment(s) as confidential document from public disclosure. Exhibits Long-Term Confidentiality Short-Term Confidentiality NOTE 2 ID Label/Location No No Attestation Statement No No External Photos No ☐ Block Diagram ☒ ☐ Schematics ☒ ☐ Test Report No No Test Setup Photos No ☐ User’s Manual No ☐ Internal Photos No ☐ Parts List / Tune Up ☐ ☐ RF Exposure Info No No Operational Description ☒ ☐ Cover Letter(s) No No SDR Software / Security Info ☐ No NOTE 1: Long-Term Confidentiality may be permitted under special conditions (See II. LONG-TERM CONFIDENTIALITY, Section 3 of KDB 726920, use last in force) NOTE 2: Short-Term Confidentiality can be requested for a maximum of 180 days from the date of the grant. Above mentioned document contains detailed system and equipment description are considered as proprietary information in operation of the equipment. The public disclosure of above documents might be harmful to our company and would give competitor an unfair advantage in the market. It is our understanding that all measurement test reports, FCC ID label format and correspondent during certification review process cannot be granted as confidential documents and those information will be available for public review once the grant of equipment authorization is issued. Sincerely, Signature: Name: Corinna Wu Title: Manager

EUT PHOTO(External Photos)

Size:9.5*4.5mm M/N: Epoch 1 FCC ID: 2A2E4-EPOCH1 Label location

EUT PHOTO(Internal Photos) ANT 1 Photo s ※※※※※ END OF REPORT ※※※※※

Project No.: ZKT-210616L2679E Page 1 of 33 FCC TEST REPORT FCC ID: 2A2E4-EPOCH1 Report Number. ................................ : ZKT-210616L2679E Date of Test .................................................: May. 28, 2021 to Jun. 24, 2021 Date of issue .................................... : Jun. 24, 2021 Total number of pages ...................... 33 Test Result ..................................... : PASS Testing Laboratory. ........................... : Shenzhen ZKT Technology Co., Ltd. Address .......................................... : 1/F, No. 101, Building B, No. 6, Tangwei Community Industrial Avenue, Fuhai Street, Bao'an District, Shenzhen, China Applicant's name ............................ : Shen zhen shi dao zi ke ji you xian gong si Address .......................................... : A616, 6th Floor, Building A, Shanhai City Dinghui, No. 37, Longjingao Road, Yangmei Community, Bantian Street, Longgang District, Shenzhen Manufacturer's name ..................... : Shenzhen Unionsun Technology Co., Ltd Address .......................................... : 4th Floor, 1 Building, Jiang Hao Science Park, Jihua Road, Bantian Street, Longgang District, Shenzhen Test specification: Standard ........................................... : FCC CFR Title 47 Part 15 Subpart C Section 15.249 ANSI C63.10:2013 Test procedure ................................. : / Non-standard test method ............. : N/A Test Report Form No. .................... : TRF-EL-111_V0 Test Report Form(s) Originator .... : ZKT Testing Master TRF .................................... : Dated: 2020-01-06 This device described above has been tested by ZKT, and the test results show that the equipment under test (EUT) is in compliance with the FCC requirements. And it is applicable only to the tested sample identified in the report. This report shall not be reproduced except in full, without the written approval of ZKT, this document may be altered or revised by ZKT, personal only, and shall be noted in the revision of the document. Product name ................................... : Bluetooth speaker Trademark ...................................... : N/A Model/Type reference ...................... : Epoch 1 Ratings ............................................. : DC 9V/2A from Adapter Project No.: ZKT-210616L2679E Page 2 of 33 Testing procedure and testing location: Testing Laboratory ................................... : Shenzhen ZKT Technology Co., Ltd. Address ...................................................... : 1/F, No. 101, Building B, No. 6, Tangwei Community Industrial Avenue, Fuhai Street, Bao'an District, Shenzhen, China Alen He Tested by (name + signature) .................... : Joe Liu Reviewer (name + signature) ..................... : Lake Xie Approved (name + signature) .................... : Project No.: ZKT-210616L2679E Page 3 of 33 Table of Contents Page 1.VERSION 5 2.1SUMMARY OF TEST RESULTS 6 2.11.1 TEST FACILITY 7 2.21.2 MEASUREMENT UNCERTAINTY 7 3. GENERAL INFORMATION 8 3.1 GENERAL DESCRIPTION OF EUT 8 3.2 1.1DESCRIPTION OF TEST MODES 9 3.3 1.2BLOCK DIGRAM SHOWING THE CONFIGURATION OF SYSTEM TESTED10 3.4 1.3DESCRIPTION OF SUPPORT UNITS(CONDUCTED MODE) 10 3.51.4 EQUIPMENTS LIST FOR ALL TEST ITEMS 11 4. EMC EMISSION TEST 12 4.1 1.5CONDUCTED EMISSION MEASUREMENT 12 4.1.1 1.5.1POWER LINE CONDUCTED EMISSION LIMITS 12 4.1.2 1.5.2TEST PROCEDURE 12 4.1.3 1.5.3DEVIATION FROM TEST STANDARD 12 4.1.4 1.5.4TEST SETUP 13 4.1.5 1.5.5EUT OPERATING CONDITIONS 13 4.1.6 TEST RESULTS 14 4.2 1.6RADIATED EMISSION MEASUREMENT 16 4.2.1 1.6.1RADIATED EMISSION LIMITS 16 4.2.2 1.6.2TEST PROCEDURE 17 4.2.3 1.6.3DEVIATION FROM TEST STANDARD 17 4.2.4 1.6.4TEST SETUP 17 4.2.5 1.6.5EUT OPERATING CONDITIONS 18 5. BANDWIDTH OF FREQUENCY BAND EDGE 25 5.1 TEST REQUIREMENT: 25 5.2 TEST PROCEDURE 25 5.3 DEVIATION FROM TEST STANDARD 25 5.4 TEST SETUP 25 5.5 EUT OPERATING CONDITIONS 26 5.6 TEST RESULT 27 6. CHANNEL BANDWIDTH 28 7.1 APPLIED PROCEDURES / LIMIT 28 7.2 2.1TEST PROCEDURE 28 7.3 2.2DEVIATION FROM STANDARD 28 7.4 2.3TEST SETUP 28 Project No.: ZKT-210616L2679E Page 4 of 33 Table of Contents Page 7.5 2.4EUT OPERATION CONDITIONS 28 7.6 2.5TEST RESULTS 29 9.ANTENNA REQUIREMENT 32 10. TEST SETUP PHOTO 33 11. EUT CONSTRUCTIONAL DETAILS 33 Project No.: ZKT-210616L2679E Page 5 of 33 1.VERSION Report No. Version Description Approved ZKT-210616L2679E Rev.01 Initial issue of report Jun. 24, 2021 Project No.: ZKT-210616L2679E Page 6 of 33 2.1SUMMARY OF TEST RESULTS Test procedures according to the technical standards: FCC Part15 (15.249) , Subpart C Standard Section Test Item Judgment Remark FCC part 15.203 Antenna requirement PASS FCC part 15.207 AC Power Line Conducted Emission PASS FCC part 15.249 Fundamental &Radiated Spurious Emission Measurement PASS FCC part 15.249 (a)(2) 20dB Channel Bandwidth PASS FCC part 15.205 Band Edge PASS NOTE: (1)” N/A” denotes test is not applicable in this Test Report Project No.: ZKT-210616L2679E Page 7 of 33 2.11.1 TEST FACILITY Shenzhen ZKT Technology Co., Ltd. Add. : 1/F, No. 101, Building B, No. 6, Tangwei Community Industrial Avenue, Fuhai Street, Bao'an District, Shenzhen, China FCC Test Firm Registration Number: 692225 Designation Number: CN1299 IC Registered No.: 27033 2.21.2 MEASUREMENT UNCERTAINTY The reported uncertainty of measurement y ± U，where expended uncertainty U is based on a standard uncertainty multiplied by a coverage factor of k=2，providing a level of confidence of approximately 95 %。 No. Item Uncertainty 1 Conducted Emission Test ±1.38dB 2 RF power conducted ±0.16dB 3 Spurious emissions conducted ±0.21dB 4 All emissions radiated(<1G) ±4.68dB 5 All emissions radiated(>1G) ±4.89dB 6 Temperature ±0.5°C 7 Humidity ±2% Project No.: ZKT-210616L2679E Page 8 of 33 3. GENERAL INFORMATION 3.1 GENERAL DESCRIPTION OF EUT Product Name: Bluetooth speaker Model No.: Epoch 1 Model Different.: N/A Serial No.: N/A Hardware Version: H1.0 Software Version: S1.0 Sample(s) Status: Engineer sampl…

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EUT TEST PHOTO