B4 True wireless stereo Earphones V5.0+EDR User Manual Parameters Bluetooth versions: Bluetooth 5.0 Charging time: 1 to 1.3 hours Talking time:5 hours Music time:5 hours Bluetooth range:33feet(10m) How to Pair:
Take the two earphones out of the charging compart
-ment, the headset will automatically turn on and the headsets will be automatically paired, and the Bluet
-ooth can be opened to search for the connection. Functions:
It can be used to answer/reject/redial calling, play/pause
/switch songs, activate Siri, and control the volume up and down by the earbuds. Click once: pause/play music (listening music mode) Click once: answer/hang up (calling mode) Click twice on Left earbud: volume down Click twice on Right earbud: volume up Click three times on Left earbud: switch to previous song Click three times on Right earbud: switch to next song Press 2 seconds on Left earbud: redial the last dialed number Press 2 seconds on Right earbud: wake up Siri How to turn on the earbuds Now want to turn on the two earbuds again? Just press the two earbuds button at the same time about 2s until you see the indicator flashes blue then both earbuds are turned on . How to turn off the earbuds If you want to turn off the earbuds, it is easy to operate, just press either the Left earbud or the Right earbud button about 5s until you see the indicator flashes red, then both earbuds are turned off. If the pairing on both sides of the headset is unsucces
-sful, you need to restore the factory settings. In the off state, press and hold both sides of the switch for 12 seconds to restore the factory settings. Then turn on the headphones and they will be paired automatically. Headset Charging 1.The headset indicator light is bright red when charging. 2.The headset indicator is bright blue when finis
-hed charging. Safety Precautions This product contains a built-in lithium battery. Do not expose the product to strong sunlight, fire, or dispose it in fire, which may result in explosion. Deal with dispo
-sal of batteries in accordance with local regulations and do not treat them as household waste. Do not allow the equipment to come into liquid, because this will cause serious damage to the equipment. Do not place the equipment in an environment where the tem
-perature is too high (above 45 degrees Celsius) or too low (below 0 degrees Celsius). B4 V5.0+EDR V5.0+EDR A2DP1.3/HFP1.6/HSP1.2
/AVRCP1.6/D11.3 2.4GHZ 10 50mAh 800mAh 300
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5 1 . 2 . 3 . 4 . 5 . 5
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Siri 1.5 2.12 3. 1. 2.WIFI 3.10 7.5cm, FCCWarningStatement Changesormodificationsnotexpresslyapprovedbythepartyresponsibleforcompliancecould voidtheusersauthoritytooperatetheequipment.Thisequipmenthasbeentestedandfoundto complywiththelimitsforaClassBdigitaldevice,pursuanttoPart15oftheFCCRules.These limitsaredesignedtoprovidereasonableprotectionagainstharmfulinterferenceinaresidential installation.Thisequipmentgeneratesusesandcanradiateradiofrequencyenergyand,ifnot installedandusedinaccordancewiththeinstructions,maycauseharmfulinterferencetoradio communications.However,thereisnoguaranteethatinterferencewillnotoccurinaparticular installation.Ifthisequipmentdoescauseharmfulinterferencetoradioortelevisionreception, 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.