Lighkeep NC-25 User manual
NC-25
The Wireless Active Noise Cancelling Headphones
Play Music:
1, Press the Multifunction Button
2, Press the Volume Down/ Previous Song Button once to play previous song,long press to reduce the volume.
3, Press the Volume Up/Next Song Button once to play next song, long press to increase volume.
once to play music, and press it again to pause.
Function Overview:
Operation:
Specification:
Noise Cancelling:
1, Press the ANC Button ON, the Noise Cancelling Indicator is green.
2, After turn the noise cancelling on, you may hear a slight hissing noise, this is normal`will cease after a few seconds.
3,When using noise cancelling feature, if the battery is off, the green indicator is off, if you want to continue
using noise cancelling feature, you need charge the battery. If you use wired connection you can continue use the
headphones
Wireless Operation:
1, Press the Multifunction Button for one second, you will hear “Power On”and “BEEP” with the Blue Indicator Is
Blinking. and the Bluetooth is in pairing mode.
2, Enable the Bluetooth on your mobilephone or the device you want to connect and scan/search for new device.
3, When NC-25 is found, select and connect, you will hear voice remind “Connected”.and the Blue indicator will
flash every five seconds. The connection is completed.
The Wireless Headphones is developed to deliver super round
quality with Bluetooth 4.1V CSR 8635
The Active Noise Cancelling technology reduce surrounding
nosie up to 20dB and let you enjoy pure music without distraction
Speaker Unit: 40mm
Magnet: Neodymium
Sensitivity: 105+/-3dB
Impedance:32 ohms+/-10%
Frequency range:20~20KHz
Active cancellation :Up to 15~20dB between 100~1kHz
Blue-tooth version:V4.0
operation distance:10m
Power: 3.7V 360mah
Working Hour: Music Playing 12 hrs
Noise Cancelling On/Off Button
Multifunction Button （Bluetooth On/Off, Make/Answer/End
/ Reject Call, Pause Wireless Only)
Volume Down/Previous Song (Wireless Only)
Volume Up/ Next Song (Wireless Only)
Call Answer: Press the Multifunction Button once to answer, and press again to end.
Last number redial: in standby mode, press the Multifunction Button twice to redial. .
Call Functions:
ANR
ANR
FCCCaution
Thisdevice complieswithpart15 oftheFCCRules. Operation issubjecttothe
followingtwoconditions:(1)Thisdevice maynotcauseharmfulinterference,and (2)
thisdevice mustacceptanyinterferencereceived, including interferencethatmay
causeundesired operation.
AnyChangesormodifications notexpresslyapprovedbythepartyresponsiblefor
compliance could void theuser's authorityto operatetheequipment.
Note: Thisequipmenthasbeentestedand foundtocomplywiththelimitsforaClass
Bdigitaldevice,pursuanttopart15 oftheFCCRules. Theselimitsare designedto
providereasonableprotection againstharmfulinterferenceinaresidentialinstallation.
Thisequipmentgeneratesusesand canradiateradiofrequencyenergyand, ifnot
installedand usedinaccordancewiththeinstructions, maycauseharmfulinterference
toradiocommunications. However,there isno guaranteethatinterference will not
occurinaparticular installation. Ifthisequipmentdoescauseharmfulinterferenceto
radioortelevision reception, whichcanbedeterminedbyturning theequipmentoff
and on, theuser isencouragedtotrytocorrecttheinterferencebyoneormore ofthe
followingmeasures:
-Reorientorrelocatethereceivingantenna.
-Increasetheseparation between theequipmentand receiver.
-Connecttheequipmentintoanoutleton acircuit differentfromthattowhichthe
receiver is connected.
-Consult thedealer oranexperienced radio/TVtechnician forhelp.
