Test modelDefunc Earbud BT Basic Talk Earphone Manual Accessories Product Diagram Operation A Turn on When device is off, press the MFB button for 4 seconds to turn on.
(Blue LED flashed 3 times and hear voice "power on and pairing ") B Paring Active Bluetooth feature of your phone and search for Bluetooth earphone, select the earphone from BT list of device then click it to pair.
(Red LED and Blue LED quickly flash alternately with pairing voice). C. Connected Once earphone is paired successfully , hear the Connected voice and blue LED flash every 5 seconds. D. Turn off Press the MFB button for 3 seconds to turn off earphone
( Hear Power off voice and red LEDs flashed 3 times to be off). Buttons Operation E. Charging Battery When battery power is low or empty, need to charge with USB cable. Charging time is around 2H. NotePlease use qualified and certified adopter (5V/500mA) to charge the battery. LEDs insturction LED Function Description Charging battery Red LED is lighting Battery is full Blue LED is lighting Turn on /Pairing Red and Blue LED is flashing , alternatively Connected Blue LED is flashing at every 5s Low battery alarm Tone remind and red LED is flashing Turn off earphone Red LED is flashing 3 times Wear Instruction A Eartips Have three different size(L/M/S) eartips to fit your ear, please select the fittest size to wear. B Wear Earphone Have printed L&R text on earphone, please wear it correctly. Technical Specification BT VersionV4.2 BT ProfileA2DP, HFP,HSP, AVRCP RF Range10M Play time4H Standby Time110hrs Charging Time2H FR range20Hz---20KHz FCCWarningStatement Changesormodificationsnotexpresslyapprovedbythepartyresponsibleforcompliancecould voidtheusersauthoritytooperatetheequipment.Thisequipmenthasbeentestedandfoundto complywiththelimitsforaClassBdigitaldevice,pursuanttoPart15oftheFCCRules.These limitsaredesignedtoprovidereasonableprotectionagainstharmfulinterferenceinaresidential installation.Thisequipmentgeneratesusesandcanradiateradiofrequencyenergyand,ifnot installedandusedinaccordancewiththeinstructions,maycauseharmfulinterferencetoradio communications.However,thereisnoguaranteethatinterferencewillnotoccurinaparticular installation.Ifthisequipmentdoescauseharmfulinterferencetoradioortelevisionreception, whichcanbedeterminedbyturningtheequipmentoffandon,theuserisencouragedtotryto correcttheinterferencebyoneormoreofthefollowingmeasures:
Reorientorrelocatethereceivingantenna. Increasetheseparationbetweentheequipmentandreceiver. Connecttheequipmentintoanoutletonacircuitdifferentfromthattowhichthe connected. Consultthedealeroranexperiencedradio/TVtechnicianforhelp. receiveris Thisdevicecomplieswithpart15oftheFCCRules.Operationissubjecttothefollowing two conditions:(1)Thisdevicemaynotcauseharmfulinterference,and
(2) this device must accept any interference received, including interference that may cause undesiredoperation.