2. TITACUTE
  3. ACA-i21 Bluetooth TWS Headphones
ACA-i21 Bluetooth TWS Headphones

TITACUTE ACA-i21 Bluetooth TWS Headphones User manual

  • Hello! I've analyzed the product instructions for the ACA-i21 earbuds and I'm ready to help you with any questions you may have about using them. The document covers pairing your device with the earbuds with Bluetooth, using touch controls for music, switching between music/game modes, and managing calls. Feel free to ask me anything!
  • How do I pair the earbuds with my phone?
    How do I pause or play music?
    How do I skip to the last track?
    How do I answer or end a call?
ACA-i21
ProductInstruction
ios/Android
OpenBluetooth.
Opentheearphoneboxandapproachth
eunlockedmobile phone.
SearchforBluetoothdeviceACA-i21and
clickConnect.
Leftearbud Operation
Pause/Play
（Touchtwice）
LastTrack
（Long press one second）
VoiceAssistant
（Touchthreetimes）
Answer/Endacall
（Touchtwice）
RejectCall
（Longpressonesecond）
Turnon/offLed
(Touchfourtimes)
RightEarbudOperation
Pause/Play
（Touchtwice）
LastTrack
（Long press one second）
Music Mode / Game
Mode(touchthreetimes)
Answer/Endacall
（Touchtwice）
RejectCall
（Longpressonesecond）
Turnon/offLed
(touchfourtimes)
ChargeIndicatorStatus
WhenCharging
（Theredlightisflashing）
WhenFullyCharged
（The lights went out）
FunctionDescription
BasicFunctionsofHeadset
PowerOn:afteropeningthecoverofchargingbox,itwillstartup
automaticallyandmatchautomatically.
TurnOff:putitintothechargingboxandclosethecover,andtheheadsetwilltur
noff automatically.
MonoMode:openthechargingbox,pairtheheadsetwithyourdevice,
after pairing successfully, take out one earbud and cover the charging box
Auto Connection: The headset will automatically connect to the last
paireddeviceby simplyopening thecharging box,
iftheparingreocordisnotcleared.
Basicfunctionsofchargingchamber
Clear Pairing Record: put the eabuds back into the charging box, long press
thebutton inside the charging box for five seconds. After red light flashes 3
times,thepairingrecords issuccessfullycleared.
Charging Box LED Indicator: When open or close the charging box,
indicatorwill breathe for two rounds. To turn off the LED indicator, open the
cover anddouble-click the button on it. When charging, the red light will
keep flashing.Whenfullycharged,thelightwentout.
UseAttention
The earphone should be stored in a dry and ventilated environment to
avoidcontactwithoil,waterandsteam, soasnottoaffecttheproductperformance.
Avoidusingirritating, organicsolventsorarticlescontainingtheseingredients
The headset needs to be used correctly, pay attention to the use of
theenvironmentontheearphone, toensuresmoothconnection,
itisrecommendedthat thedistancebetween thephoneand theheadphonesis
within 10 meters.
If there is any other problem with the earphone, please do not remove
theheadphonebodyanditsaccessoriesprivately, otherwiseitwillnotbewarranty.イ
Tochargetheheadset,pleaseusethestandardcarchargerorthe
chargerspecifiedbyourcompany.
Toensureyournormaluseoftheheadset,pleasemakesurethe
headsetisfullycharged.
AnyProblem,LetUsKnow!
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Bluetoothversion
V5.0
Speakerfrequencyresponse
20Hz-20KHz
sensitivity
103±3dB
Supportagreement
SBS,AAC
Chargingboxchargingport
USBType-C
Headphonecontrolmethod
Touchcontrol
Productsize(chargingbox)
54*59*30.5mm
Productweight
47.5±1g
Packinglist
Headset,L/SSiliconeCapC
hargingCord
ProductManual
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.
Caution: Any changes or modifications to this device not explicitly approved
by manufacturer could void your authority to operate this equipment.
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.
The device has been evaluated to meet general RF exposure requirement.
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