FCC ID: 2AVMA-BY3090 Wireless speaker

Product User Manual WIRELESS SPEAKER Product overview Prev/Volu me-Button Play,Pause,Telephone/Station search key/

Mode switch

(3)Next/Volume+ Button ON/OFF Button LED switch Charging port 3.5mm audio input line/Auxiliary USB TF Card or Micro/Mini SD CARD

-1-

Turn on the speaker Turn on the speaker, the speaker will automatically enter into the wireless mode. Connect to mobile devices Turn on wireless option in mobile device,select (model name) in the mobile device,the speaker will make a beep sound after successful connection. For future uses Just keep the mobile device's wireless turned on, it can automatically connect. Other instructions Connect to new mobile device If the current device with the speaker is connected ,you need to disconnect the current device's wireless,then use the new mobile device to connect the speaker.

-2-

NOTE:

Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. 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 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. Mode switch,LED spectrum lamp Button Press this button to switch Wireless mode.TF card,USB,Radio, LINE IN (in LINE-IN mode, Wireless, callswill be invalid.). When without TF card,USB,3.5mm audio input line,press this button only to switch between Wireless and FM Mode. Short press to open,switch,close the LED spectrum function. Technical parameter Loudspeaker Output Speaker Version Frequency response range Signal Noise Rate Battery Capacity/Voltege Battery Charge HE Working Time USB power Input Speaker Size 5W (4ohm, THDvl%) 57mm ___________________ V5.0 ________________ 90Hz-20KHz _____________

>80dB 1200mAh /3.7V __________ 1-2hours ________________ 3-4hours _________________ 5V2A 88x88x128mm

-4-

FCC ID: 2AVMA-BY3090 Instructions for use 0 ON/OFF Button Long Press this button to turn on/offthe speaker.

PrevA/olume-Button When play or pause in Wireless /TF card /USB Mode,short press to previous music. When in FM mode, short press to previous radio station. In any mode,long press to reduce the volume, there will be prompt

'Beep"sound at the minimum volume. 1 Next/Volume+ Button When play or pause in Wireless/TF card/USB Mode.short press to next music. When in FM mode,short press to next radio station. In any mode,long press to increase the volume,there will be prompt

"Beep" sound at the maximum volume. i M i Play, Pause,Telephone,Station search key,Mode switch When in Wireless.TF card ,USB music play back mode,short press to pause,short press again to play. When in FM mode,short prees to auto search, short press again to stop searching the radio station. In Wireless mode, when incoming calls,short press to answer the phone, short press again to hang up the phone,long press to reject phone. In Wireless mode,when no call.long press to call-back,back to the last outgoing telephone number.

-3-

Size:65*85mm

Wireless speaker Model: BY-3090 FCC ID: 2AVMA-BY3090 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.

C5266091_X10_Ed.1 Dongguan Xianghe Xin Industrial Co.,Ltd Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 Date: 2019-12-25 Subject: Request for Confidentiality FCC ID: 2AVMA-BY3090 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 ID Label/Location Attestation Statement External Photos Block Diagram Schematics Test Report Test Setup Photos Users Manual Internal Photos Parts List / Tune Up RF Exposure Info Operational Description Cover Letter(s) SDR Software / Security Info Long-Term Confidentiality Short-Term Confidentiality No No No No No No No No No No No 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: Meizhen Lin Title: Manager 1/1

Dongguan Xianghe Xin Industrial Co.,Ltd Declaration on model difference We, Dongguan Xianghe Xin Industrial Co.,Ltd the undersigned hereby confirm that these models are identical, and all models have the same RF module and Antenna, except for decorative parts in front panels, color of enclosure, and model no. for trading purpose. FCC ID: 2AVMA-BY3090

Production name Trade name INPUT Model no. Wireless speaker DC 5V BY-3090/nby18/nby6670/

BY6660/nby8820/nby4070

/nby8890/nby6690/nby8810/n by2290/nby003/BY3070/BY66 30/BY6650/BY1050/nby5540/n by5510/nby5590/nby008/nby3 60/nby8891/BY1040/nby5530/

BY2280/BY3010/BY4030/BY40 80/BY3020/nby3320/nby3330/

nby3340 Confirmed by:

Name: Meizhen Lin Title: manager Date: 201912-25 Signature of applicant:

Page 1 of 1

Company:

Address:

C5266091_X8_Ed.1 Letter of Authorization Dongguan Xianghe Xin Industrial Co.,Ltd Dongguan Xianghe Xin Industrial Co.,Ltd The third floor of Building A,Chang yin ke chuang Park,No.10,Binnong First Road ,Meitang,Huangjiang Town,Dongguan city Product Name: Wireless speaker Model Number: BY-3090/nby18/nby6670/BY6660/nby8820/

nby4070/nby8890/nby6690/nby8810/nby2290/nby003/BY3070/BY 6630/BY6650/BY1050/nby5540/nby5510/nby5590/nby008/nby360

/nby8891/BY1040/nby5530/BY2280/BY3010/BY4030/BY4080/BY3 020/nby3320/nby3330/nby3340 FCC Identifier: 2AVMA-BY3090 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:

Title:

Date: 2019-12-25 Manger Meizhen Lin Signature of applicant:

1/1