FCC ID: 2AKFED421 Bluetooth Headsets

Defunc TRUE GO SLIM - User Manual Thank you for choosing the Defunc TRUE GO SLIM model. Read this manual to optimize your experience. Technical specifications Bluetooth version: 5.0 Transmission frequency: 2.4 GHz Earbud battery: 30 mAh Charging case: 400 mAh Earbud recharges in charging case: 5-6 times Active playtime: 3.5-4.5h Standby time: 37H Charging time: 2hrs Speaker dimension: Dia 13mm 2515%

Speaker sensitivity: 1083dB, at 1K 0.179V Charging means: USB to Type C Power supply bin voltage: 5V Transmission frequency: 20hz-20khz Codex: SBC Rated Power for Earbuds: 3mW Rated power for Charging case: 1.75W Frequency band in which the product operates==2402~2480MHz Maximum radio-frequency power transmitted within above frequency band==0dBm Net weight: approx 42g Whats included Defunc True GO SLIM earbuds USB-C charging cable Charging case User manual x1 Thank you cardx1 Silicon tips, 2pcs L size, 2pcs M size Without Hall switch When open the charging case and take the earbuds out will automatically power on and pair to each other. Overview and controls Power on: Open the cap of the charging case and take the earbuds out for auto-power on. or touch the L & R earbuds for 3 seconds to power on the earbuds. Power off: Put the earbuds back in the charging case or touch either the right or left earbuds for 5 seconds Auto-power off: The earbud will turned off after 5 minutes in paired mode without connected device. Answer/end call: Double-click either the left or right earbud for pick up the phone calls or end the phone calls. Reject call: Press either the left or right earbuds for 2 seconds to reject the call. Play/pause: While listening to music, double-click the touch area of any earbud once for play&pause the music. Next track: While listening to music, press the right earbud for 2 seconds to enther into next song. Previous track: While listening to music, press the left earbud for 2 seconds to enther into next song. Voice assistant: Triple-click on the right earbud for active the Voice Assisstant, and triple-click on the right earbud again to close it. Volume increase: once-click on the right earbud Volume decrease: once-click on the left earbud Pairing Charge the earbuds fully before pairing it to you device for first time using. 1.Remove the earbuds from the charging case, the Earbuds will automatically power on and paired to each other. 2. When blue/red lights in the right earbud flashing alternatively, means earbuds are ready to be paired to your device. 3. Active Bluetooth function on your device and select Defunc TRUE GO SLIM in the Bluetooth list. Charging Charge earbuds: Put the earbuds back in charging case and close the cap. Charging: Solid red light on case. Charge case Connect it to the power supply with USB cable. Charging: Blue lights flashing Charging status: Each light equals 25% charged Charing Case and earbuds can be charged simultaneously. For support, visit www.defunc.com/troubleshooting FCCWarningStatement Changesormodificationsnotexpresslyapprovedbythepartyresponsibleforcompliancecould voidtheusersauthoritytooperatetheequipment.Thisequipmenthasbeentestedandfoundto comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limitsaredesignedtoprovidereasonableprotectionagainstharmfulinterferenceinaresidential installation. This equipment generates uses and can radiate radio frequency energy and, if not installedandusedinaccordancewiththeinstructions,maycauseharmfulinterferencetoradio communications.However,thereisnoguaranteethatinterferencewillnotoccurinaparticular installation. If this equipment does cause harmful interference to radio or television reception, whichcanbedeterminedbyturningtheequipmentoffandon,theuserisencouragedtotryto correcttheinterferencebyoneormoreofthefollowingmeasures:

Reorientorrelocatethereceivingantenna. Increasetheseparationbetweentheequipmentandreceiver. Connecttheequipmentintoanoutletonacircuitdifferentfromthattowhichthereceiveris connected. Consultthedealeroranexperiencedradio/TVtechnicianforhelp. Thisdevicecomplieswithpart15oftheFCCRules.Operationissubjecttothefollowing twoconditions:(1)Thisdevicemaynotcauseharmfulinterference,and

(2) this device must accept any interference received, including interference that may cause undesiredoperation.

FCC ID LABEL:

FCC ID: 2AKFED421 Ca. 5mm x 10mm Include in manual:

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. Label Location

The Art of Utility AB Agent Authorization Company: The Art of Utility AB Address: Upplandsgatan 7 111 23 Stockholm Sweden Product Name: Bluetooth Headsets Model Number(s): Defunc TRUE GO SLIM Product Description: Bluetooth Headsets 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: May. 29, 2020 Name:

Johan Wahlback Title:

CEO Company:

The Art of Utility AB

The Art of Utility AB Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Date: May. 29, 2020 Subject; Request for Confidentiality FCC ID: 2AKFED421 To Whom It May Concern, Pursuant to the provisions of the Commissions 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 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, Signature:

Name: Johan Wahlback Title: CEO