SIMOLIO SM-904 is a pair of hearing protection stereo headphones designed for safe and enjoyable listening. With three switchable volume limited levels (85dB, 94dB, 104dB), these headphones prioritize hearing protection, especially for vulnerable and sensitive ears. They feature hands-free talking and in-line volume control for clear communication and music control. The sharing port allows you to connect another headphone without an audio splitter, enabling you to share audio with friends.
SIMOLIO SM-904 is a pair of hearing protection stereo headphones designed for safe and enjoyable listening. With three switchable volume limited levels (85dB, 94dB, 104dB), these headphones prioritize hearing protection, especially for vulnerable and sensitive ears. They feature hands-free talking and in-line volume control for clear communication and music control. The sharing port allows you to connect another headphone without an audio splitter, enabling you to share audio with friends.
Hearing Protection Stereo Headphones
SM-904
support_uk@simolio.com (for UK)
Sales & Support Email: support 1@simolio.com (for NA/AU)
support_uk@simolio.com (for UK)
Sales & Support Email: support 1@simolio.com (for NA/AU)
User Manual
®
Volum(dB)
104 94 8 5
01
Thank you for choosing SIMOLIO SM-904, which is specifically designed for you
to enjoy music and other content in a safe, creative and sustainable way with
great sound experience. Please read this guide carefully so you can take full
advantage of SIMOLIO and keep it in a safe place for future reference. We hope
that you’re very happy with your SIMOLIO, if you have any questions, please
feel free to contact us via: support1@simolio.com (for NA/AU)
support_uk@simolio.com (for UK)
Response Time: 2-24h, excl. holidays
1. Package Contents
2. Product Diagram
User Manual
Headphone Portable Bag
Contents
Volume Limiter Switch
Sharing port
Fig 1
1. Package Contents .......................................................................... 01
2. Product Diagram .................................................................. ......... 01
3. Features ............................................................................... ......... 02
4. Using Your Headphones ................................................................. 03
4.1 Adjust the 3-level volume limiter switch (104dB/94dB/85dB) ........... 03
4.2 Basic Operation .......................................................................... 04
4.3 Using the Headphones with Your Devices ...................................... 05
4.4 Use Sharing Port between Two Headphones ...................................06
5. Safety Instructions ........................................................................ 07
6. Limited Warranty ........................................................................... 08
SM-904 Manual SM-904 Manual
®
Volum(dB)
104 94 85
Hea ring Pr otect ion Ste reo Hea dphon es
SM-9 04
supp ort_u k@sim olio. com (fo r UK)
Sale s & Suppo rt Emai l: supp ort 1@s imoli o.com ( for NA/ AU)
Us er Ma nua l
®
V
10
o4lu
9
m
4( d8B
5)
104 94 85
volume(dB)
104 94 85
Volume(dB)
02 03
3. Features
(1) Three Switchable Volume Limited Levels for Hearing Protection
To protect vulnerable and sensitive ears. Slide the volume limiter switch to
85dB or 94dB to limit the output volume at the desired sound level.
Note:
* The limit at 104 dB is only a temporary option for noisy situations, like on the
train or plane.
(2) Hands-free Talking and In-line Volume Control
The built-in HD microphone and volume control on the cable guarantees clear,
hands-free communication, with one multi-function button to control music play
and phone calls.
(3) With Sharing Port, No More Audio Splitter is Needed
With a sharing port on the left side of the headphones, you can connect with
another headphones to share the video/music with your friends without any
splitters needed.
give these headphones some impressive flexibility and durability so they can
adapt to the shape of user’s head and withstand rough play.
(5) Comfortable Wearing
Equipped with soft on-ear cushions to provide premium comfort during long time
listening.
4. Using Your Headphones
4.1 Adjust the 3-level volume limiter switch (104dB/94dB/85dB)
Slide the volume limiter switch to limit the headphones' output volume at the
desired sound level for teenagers or adults
SM-904 Manual SM-904 Manual
Operation for Hearing Protection
For adults, the max output Vol ≤ 94dB
For teens,the max output Vol ≤ 85dB
Volume Limiter Switch
94dB
85dB
104dB The limit at 104 dB is only a temporary option for
noisy situations, like on the train or plane.
(4) Foldable & Durable Design
The foldable design makes these headphones easy to store and carry for travel
or school. The adjustable headband with memory stainless steel strips
04 05
4.2 Basic Operation (MFB for smart phones only)
In the in-line audio control cable we have integrated a MFB button and volume
slider.
Button Function Operation
MFB
(Multi-function
Button)
Answer a call/End a call Press MFB once
Reject a call Press and hold MFB for 3 seconds
Play/Pause media Press MFB once
Next track Double-press MFB
Previous track Triple-press MFB
Activate voice recognition
apps on your mobile device
Pressing MFB button for more than
3 seconds will activate voice
command (e.g.,Siri) when
connected to an Android or an
Apple device
Volume
(MAX-MIN)
Volume up Slide upward gradually to MAX
Volume down Slide downward gradually to MIN
4.3 Using the Headphones with Your Devices
Connect 3.5mm jack on the end of the audio cable to your device. Select a
desired volume level by the volume limiter switch. Put on the headphones and
adjust the headband to your head size to optimize audio and wearing comfort.
( Ref.Fig 3)
3.5mm Mic Audio Y Splitter Cable
* Not all devices support this in-line control
functionality. By using the 3.5mm Mic Audio Y
Splitter Cable (purchase separately), you can
connect this headphone to a PC or old version
Laptop for use with VOIP applications, such
as Skype or chat programs, MSN Messenger,
Yahoo, Google Voice etc.
Fig 2
Note:
* You may need to open the media player application for initial play back to start.
* If there is a phone call while you are listening to an audio, the phone call will
take precedence over the audio, and after the call, it will automatically return to
the previous listening state.
* MFB function is only available in smart phone.
SM-904 Manual SM-904 Manual
07
06
4.4 Use Sharing Port between Two Headphones
You can share your content like music with your friend by plugging his
headphones into the 3.5mm sharing jack on the left side of your SIMOLIO
headphones. ( Ref.Fig 4)
Note: The volume limited function is only available for SIMOLIO headphones.
5. Safety Instructions
Fig 4
Although SIMOLIO are volume limited, children are not
recommended to be exposed to listening for more than 2 hours
per time. Extended listening may negatively impact hearing.
Protect your hearing
WARNING
Fig 3
2
SHAPE 1
13
3.5mm Audio Cable
sharing port
*Please don't bend the hinge
You can remould the headband
shape to fit yourself
SM-904 Manual SM-904 Manual
94dB 85dB 75dB
volume(dB)
94dB 85dB 75dB
volume(dB)
104 94 85
volume(dB)
SHAPE 2
®
Volum( dB)
104 94 85
6.Limited Warranty
Beware of your surroundings
Your headphones significantly dampen external sound. Do not in any case wear
your headphones when you are required to pay attention to your surroundings.
CAUTION
Ensure that the headphones do not become wet, protect them from moisture,
heat (e.g. during the summer in cars) and mechanical influences (e.g. severe
shocks, pressure and dropping).
12 months limited warranty: Simolio provides full warranty due to defects in
materials and workmanship for a period of 12 months from the original date of
purchase. The warranty period is not extended if we repair or replace
warranted product.
This warranty is provided at the discretion of Simolio Ltd. And does not cover
appearance damage or damage due to acts of nature, accident, misuse, abuse,
negligence, commercial use, or modification of or to any part of the product.
Accessories and perishable items such as earmuffs are not covered under this
warranty.
Please contact:
support1@simolio.com (NA/AU) or
support_uk@simolio.com (UK)
09
08
and provide your order number to register the warranty.
SM-904 Manual SM-904 Manual
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SIMOLIO SM-904 is a pair of hearing protection stereo headphones designed for safe and enjoyable listening. With three switchable volume limited levels (85dB, 94dB, 104dB), these headphones prioritize hearing protection, especially for vulnerable and sensitive ears. They feature hands-free talking and in-line volume control for clear communication and music control. The sharing port allows you to connect another headphone without an audio splitter, enabling you to share audio with friends.
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