Srhythm NiceComfort NC25 Pro Headphone User Manual
- June 9, 2024
- Srhythm
Table of Contents
Srhythm Nice Comfort NC25 Pro Headphone
Safety instructions
Hearing safety
- Headphones can’t be used during charging for your safety.
- .DON’T use the headphones for any other purpose while driving.
- Please use cautiously and stop using headphone in dangerous situation.
- Please do not listen for a long time at high volume to avoid hearing damage.
- For your safety, please do not turn the volume too high while running outside to ensure that you can hear sound in your surroundings.
- Clean only with a dry cloth.
Operation Safety
- Use original or certified cables for charging and voltage within 6.3V.Power will be cut off and start protection mode when the voltage exceed 6.3V and within 36V.Headphone will be broken when the voltage over 36V.
- Keep away from children to avoid danger from improper use.
- Headphones can’t be charged or turned on in the extreme temperature. Please use headphones within the operating temperature range꞉ 32° F (0°C) – 113° F (45°C).
- Do not submerge headphone in the water.
- Do not use corrosive cleaner/oil to clean headphone
- Turn off headphone Bluetooth and ANC function to save power when you do not use headphone
What’s in the Box
At a Glance
How to Use
Use ANC Function
Push the ANC Button to turn Active Noise Cancellation ON/OFF (the LED indicator light will be green when ANC ON.)
Use Bluetooth Function
-
Hold the Multi-function Button for 3-5 seconds to turn headphone Bluetooth on, then enter pairing mode.(the LED indicator light will
be blue and red flashing quickly.) -
Start your mobile phone Bluetooth and find headphone Bluetooth pairing name “Rhythms NC25 Pro” to click it to pair.(the LED indicator
light will be blue flashing slowly after paired successfully.) -
Hold the Multi-function Button for 3-5 seconds to turn headphone Bluetooth off.
Press to adjust volume. Long press to skip to next/previous song.
Long press the Volume Up and Volume Down Buttons for 5 seconds to clear the pairing.
Press the Multi-function Button to play/pause music or answer/end call.
Double-press the Multi-function Button to Reject an incoming call or Dial out the last call.
Press the Multi-function Button three times to turn on/off t 3 he low-latency game mode.
Function Details
Easy Pairing
- Hold the Multi-function Button for 3-5 seconds to turn headphone Bluetooth on, then enter pairing mode.(the LED indicator light will be blue and red flashing quickly.)
- Keep headphone and your mobile phone as close as possible during pairing process.
- Turn on your mobile phone Bluetooth. Search for headphone Bluetooth signal on mobile phone and click “Rhythm NC25 Pro” to pair.(the LED indicator will be blue flashing slowly after pairing successfully.)
- If you are asked for a password/PIN code during pairing procedure ,please enter “0000” (four zeros).
Pair to the Second Bluetooth Device
-
Please make sure that headphone is connected to the first Bluetooth device successfully and music is not playing.
-
Hold the Multi-function button until the headphone switch off and continue with the steps “Easy Pairing”(Let the headphone re-enter pairing
mode ,the LED indicator light will flash blue and red alternately). -
Pair headphone with the second device according to “Easy Pairing” steps.
-
Return to the first Bluetooth device and pair it with headphone again. Now both of your devices are paired with headphone.
Active Noise Canceling(ANC) ON/OFF
To turn on ANC, push the ANC Button up; (the LED indicator light will be green
when ANC ON.) To turn off ANC, push the ANC Button down;
(the LED indicator light green color will be off when ANC OFF.)
Wired Mode
Headphone support AUX input for wired external audio source connection.
Simply turn headphone Bluetooth off and plug in the audio cable. For any ANC
Bluetooth head phone, it is still need battery power support for wired mode.
ANC also works in wired mode. Microphone only works in Bluetooth mode, not for
wired mode. Buttons can’t be used in wired mode (Except the ANC Button).
Voice Dialing
Press both “Volume Up” and “Volume Down” buttons simultaneously to activate
voice dialing function (compatible with iPhone Siri and selected Android voice
dialing software).
How to Wear
Airplane Adaptor Connection
Connect the Airplane Adaptor onto audio socket(double holes) of aircraft seat,
use 3.5mm audio cable to connect with your headphone and Airplane
Adaptor.
Warnings
****Only use for airplane, Can not be plugged into the power socket.
Headphone Specification
LED Indicator Light
- Pairing꞉ Blue and red lights flash alternately
- Paired꞉ Blue light flashes
- Playing꞉ Blue light slowly flashes
- Charging꞉ Red light turns on
- Full Charge꞉ Red light turns off or Blue light turns on
- Battery Low꞉ Red light turns on with voice prompt
- ANC ON꞉ Green light turns on
- ANC OFF꞉ Green light turns off
- Bluetooth OFF꞉ Blue and red lights turn off
Please kindly note that perhaps sometimes these LED indicator light color will be mixed to become other colors(pink, purple ,etc.) occasionally.
Technical Specification
- Product name꞉ Srhythm NC25 Pro
- Battery capacity꞉ 750mAh
- Input꞉ 5V/1A
- Chip꞉ ATS3015
- Charging time꞉ About 2 hours
- Use time꞉ 40 hours (Bluetooth on + ANC off)
- Bluetooth version꞉ V5.3
- Bluetooth profile꞉ A2DP, AVRCP, HSP, HFP
- Bluetooth range꞉ 10m/33ft
- Waterproof rating꞉ IPX4
- Net weight꞉ 204g/0.44lb
- Impedance꞉ 32 Ω
- Driver diameter꞉ Φ40mm
- Frequency response꞉ 20Hz-20kHz
Charging
Use the included Type-C charging cable to connect to headphone Charging Port.
Connect the other end of charging cable to a computer USB port or USB wall
charger under 6.3V voltage. Turn off headphone Bluetooth and ANC function
before charging. Headphones can’t be used during charging
for your safety. The LED indicator light will be off or blue color when full
of charge basing on headphone turn off status. Start your mobile phone
Bluetooth and find headphone Bluetooth pairing name “Srhythm NC25 Pro” to
click it to pair.(the LED indicator light will be blue flashing slowly after
pairing successfully.) Hold the Multi-function Button for 3-5 seconds to turn
headphone Bluetooth off.
NOTE
Ambient temperature exceeds the charging temperature range of 32° F (0°C) –
113° F (45°C).
If any issues, here tips for you꞉
- Full charge your headphone with original USB-A to USB-C charging cable ( not USB-C to USB-C cable)and 5-10W power wall charger (don’t use fast charger)
- Reset headphone by inserting audio cable into headphone audio socket then removing it. Or the upgraded NC25 Pro headphones would be reset automatically when charging.
Delete Pairing꞉ Hold both “Volume Up” and “Volume Down” buttons simutaneously for 5 seconds.
Q&A
Q꞉ Why can’t headphone pair with my mobile phone?
A꞉ Please check if your headphone is in pairing mode or reconnection mode,
check if Bluetooth search function of your Bluetooth device is turned on ,if
all done, then go to Bluetooth menu of your Bluetooth device, delete/ignore
the headphone Bluetooth pairing name “Srhythm NC25 Pro” . After that, you can
try to reconnect Bluetooth according to above “Easy Pairing” steps.
Q꞉ Why can’t headphone turn on?
A꞉ Please double check the battery status of your headphone.
Q꞉ Can I replace battery in the headphone?
A꞉ No, you can not. Headphone uses a built-in non-detachable Li- Polymer
battery that can’t be replaced.
Q꞉ Can I use headphone while driving?
A꞉ For your safety ,we strongly recommend that you do not use headphone while
driving to avoid distraction.
Q꞉ Why does headphone sometimes disconnects with Bluetooth device within 10
meters?
A꞉ Please check if there are any metal materials or obstacles within a
relatively close range or your surroundings that perhaps interfering with
Bluetooth connection. This may happen because Bluetooth is a radio technology
which is sensitive to objects between headphone and other devices. Delete the
Bluetooth pairing name on your ALL devices(it will toggle between your
connected devices due to multi-point connection),restart it. then reset your
headphone by inserting the included audio cable into headphone audio socket
and removing it(sometimes need to insert several times to reset
successfully),then reconnect it.
Q꞉ Why can’t I hear any sound from my computer or mobile phone?
A꞉ Please check if output channel of your computer supports A2DP profile. Also
check the volume settings on your headphone and computer/mobile phone.
Q꞉ Why am I unable to use headphone to control the volume of a track
playing on an APP on my mobile phone?
A꞉ Due to configurations of different application software, headphone may not
be completely compatible with some APPs.
Q꞉ What do I do if Bluetooth can not close or open?
A꞉ Please reset Bluetooth function of headphone by inserting an audio cable
into headphone audio port, then removing it. Before re-connecting, kindly
remember to delete/ignore headphone Bluetooth pairing name “Srhythm NC25 Pro”
on your mobile phone.
Q꞉ Why does Bluetooth turn off when I connect an audio cable?
A꞉ This is one of our special features. When users insert an audio cable into
headphone audio port, all Bluetooth feature buttons stop working and Bluetooth
turns off. But, Bluetooth will be available again when audio cable is moved.
Q꞉ Why does audio quality become poor on Windows PC?
A꞉ Some customers have mentioned poor audio quality on Windows PC. Please note
that there are “Headset” and “Headphone” modes you can toggle by changing your
output device. Selecting “Headphone Mode” will drastically improve the audio
quality. “Headset Mode” is designed for highly compressed VOIP calls ,etc.
That’s not the fault of headphone product, that’s just the limitation of that
protocol. If you are in “Headphone Mode” ,the audio quality is fantastic.
Q :Why is the headphone sound so low?
A꞉ Increase both device and headphone volume. For some software such as
SPOTIFY, you may need turn the equalizer to OFF ,then the full spectrum come
through and the volume will be easily adjustable.
FCC Caution
Any Changes or modifications not expressly approved by the party
responsible for compliance could void the user’s authority to operate the
equipment. This device complies with part 15 of the FCC Rules.
Operation is subject to the following two conditions꞉
- This device may not cause harmful interference, and
- this device must accept any interference received, including interference that may cause undesired operation.
IMPORTANT NOTE
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.
FCC Radiation Exposure Statement
This equipment complies with FCC radiation exposure limits set forth for an
uncontrolled environment .This equipment should be installed and operated with
distance ＜5mm between the radiator& your body.
ISEDC warning
This device complies with Innovation, Science, and Economic Development
Canada license-exempt RSS standard(s). Operation is subject to the following
two conditions꞉
- This device may not cause interference, and
- This device must accept any interference, including interference that may cause undesired operation of the device.
References
Read User Manual Online (PDF format)
Read User Manual Online (PDF format) >>