Hengxintai Electronics BT9923 User manual

Bluetoothearphones
BT9923 UserManual
1. Product
BTEarbudsarewithexcellentaudiosound quality.Itcouldbe used forphone calling, listening
music etc.
Inordertobetterenjoythe superiorperformance ofthisproductand ensurethe safetyofuse,
longevity,pleasereadtheseinstruction carefullybeforeusing theapplianceandsave it forfuture
use and reference, regarding the specific operations, consult the randominstructions.
PowerOn/Off
PlayorPause
AnswerorEnd Calling
Previoussong or
volume down
Nextsong or
volume up
Magnetic metallic
earbudswith 10mm
Drivers
Mic &LED
USBcharging

2. Function introduction
Bluetooth chip:CSR8635
Used formusic, calling
With built-in high qualitymicrophone
Up to 8hours batterylife forwhen you are on the go
3. Usage
1)Poweron :Press the powerbutton, the blue lightison first,then the red-bluelightflash
alternately.
2)Pairing :underthe stateofpower-on, open the mobilephone sbluetoothfunctionand search
bluetoothdevices.Aftersearch, select “BT9923”topair.Whenpair successfully,the blue light
flash.
3)Play/Pause:press the button one time to stop when playing music, and press the button again to
playwhen pause.
4)Answer/End call :Press the button one timetoanswerphonecall andpress the button againto
end the call.
5)Volume up ordown:Press long time “+”or “-“
6)NextorPrevioussong :Press one time “ ” or “ “
7)During charge, thered lightison. Whencharge fully,the Blue lightison.
4.Specifications
ModelNo. BT9923
Version CSR8635
Effective Range Within 10 meters
Driverunit 10mm
Impedance 32
Sensitivity 108db
Frequency 20-20khz
Talk time About8 hours
Music playing timeAbout8 hours
Charge time About3 hours
Working voltage 3.5V—4.2V
Charge jack Voltage：DC5VElectricity：130ma/H
BatteryPolymer130 mAh

5.Attention
1)Full charge when first time using.
2)Keeping awayfromwet.
3)Please charge on the USBport ofcomputer, orthe outputof5Vcharger.
4)Unused forlong periods,charge and discharge once a week.
5)Whenit isfirst timetoplaymusic, pleaseturndownthe volumeinordertobetterfunction and
have a long-termexcellentaudio quality.
6.Accessories
USBCable:1pc
7.Warning
1)Mustchoosechargerwhich produced bycertified manufacturer.
2)Please charge in time if neverused more than one year.
FCC Statement
Thisequipment hasbeentested andfoundtocomplywiththelimitsforaClass Bdigitaldevice,
pursuant to Part 15 ofthe FCC Rules. These limitsare designed to providereasonable
protection against harmfulinterference in a residentialinstallation. Thisequipment generates
usesand can radiate radiofrequencyenergyand, ifnot installed and used inaccordancewith
the instructions, maycauseharmfulinterference to radio communications. However, thereis
no guarantee thatinterferencewill not occurina particularinstallation. Ifthisequipment does
causeharmfulinterferenceto radioortelevisionreception, whichcanbedetermined byturning
the equipment off and on, the userisencouraged totryto correct the interference byoneor
more ofthe following measures:
-- Reorient orrelocate the receiving antenna.
-- Increase the separation between the equipment and receiver.
-- Connect the equipment into an outlet on a circuit different fromthat to which the receiveris
connected.
-- Consultthe dealeroran experienced radio/TVtechnicianforhelp.
Thisdevice complieswith part 15 ofthe FCC Rules. Operation issubject tothefollowing two
conditions:(1)Thisdevice maynotcauseharmfulinterference, and (2)thisdevicemustaccept
anyinterference received, includinginterference that maycause undesired operation.
Changesormodificationsnot expresslyapproved bythe partyresponsibleforcompliance
couldvoidthe user'sauthorityto operate the equipment.