a.Problem : Unable to connect the device automatically.
b . Problem: Cannot search the product Bluetooth.
c. Problem: Cannot turn it on.
Exception Handling Exception Handling
Long press for 2 seconds : turn on ,turn off
Double-click: Disconnect the Bluetooth
Long press for 8 seconds: the sound
Short press: Switch the lantern mode
Long press for 2 seconds: Turn the
Double click: initiate/disconnect TWS
Long press for 2 seconds: the previous
The C15 Wireless Waterproof Speaker X1
Functions Functions Functions Functions
Long press for 2 seconds: the next song
≥10H(depending on volume and light)
Bluetooth 5.3Bluetooth version
Production OverviewPrecautions
Please give the damaged products including batteries
to a regular recycling point or Dealers in the nearby area.
Please charge only with the charging adapter recommended
Products can only be charged at ambient temperatures of 10 ℃
Charge the product regularly even if it does not use it for a long
time. (Approximately once every 3 months)
Avoid heating the product over 60 . Please avoid sunshine.Do ℃
not throw the product into the fire.
Specifications for Use/ Responsibility
Any use not specified in the product guide is considered an incorrect use
of the product. COMISO shall not be liable for damage caused by abuse
or irregular use of products and accessories.
Safe battery use:1.Do not remove the product or replace the battery
without permission to avoid the battery exposure to high temperature or fire.
Safe use environment :1.This product is used away from high temperature
Recycling note :After the product is scrapped, it will be delivered together
with the rechargeable battery to the regular waste recycling center or the
designated dealer for safe recycling.
Cleaning method emphasizes :Do not use corrosive cleaning agent.
Do not directly dry with high temperature flame.
Product with magnetic and small objects:The product with small
accessories, children should be used accompanied by parents, beware of
the risk of accidental eating and suffocation. Product components contain
magnets that may interfere with human implants such as pacemakers,
and should be used away from people wearing pacemakers and other
implants in case of accidents.
If substandard USB devices are used, COMISO shall not be liable for
COMISO do not be responsible for communication interruption and loss
caused by battery depletion, excessive aging or beyond Bluetooth connection.
When using the equipment, please comply with the laws and regulations of
Thank ou for pu chasing our Cy r OMISO's p oducts. To ensu e ou r r y
hav t r re a bet er experience for the p oduct, please ead this
manual ca efully befo e using it. If the e is any quality issue r r r of
our p oduct, please contact our se vice eam r r t
support@comiso.com.cn. e will p ovide ou with the best W r y
Double-click Interconnect
Indicator Status Description
1. Please read the user manual carefully before using the product.
2. If there is a slight heat during the charging and normal use of the
product. it is a normal phenomenon.
3. This product supports IPX7 waterproof grade (Applicable to the
bathroom, rainy days and other wet environment for use.)
Hands-free answer / hang up / reject: When the call status,
short press the " " button to answer the call, double-click the " "
button to reject. There are "didi" call ringing, and the IOS system ringtone is
Charging: 1: Use the charging cable attached to the product to connect
the speaker to the recommended USB 5V Adapter, to charge the speaker, the
red light is on. When fully charged, the red light goes off.
Volume /up and down track control: when playing music, short
press the" " button to increase the volume.Short press the" " button
to decrease the volume.Long press" " button to switch to the next song.
Long press" " button to switch to the previous song.
2: Automatic shutdown: The product will automatically shut down in 10
minutes if there is no pairing connection status.
3: Low power prompt: When the power of the speaker is lower than 10%, the
speaker enters the low power alarm state,An alarm will be sent out in about 30
seconds, accompanied by a prompt sound, please charge it in time at this time.
1: Turn on the lights by default. Long press the " " button 2S to
turn off or turn on the lights again.
3: Volume prompt: After the speaker is turned on, press the " "
button to adjust the volume, and the light ring will display different
colors according to the volume level.
2: Four lighting modes of the lights: Short press the " " button to
switch the lighting mode.
1 Monochrome gradient lights
2 Monochrome running water lights
3 Color running water lights
1. TWS connection: when the two speakers are powered on, double-click the
" " button on any one of the speakers,Enter the TWS teaming state, the
blue light of the main machine flashes quickly when the connect is successfully
formed, and the blue light of the auxiliary machine is always on.A notification
sound for a successful team formation. Press "Bluetooth pairing/connection" to
pair and connect the speakers TWS broadcast.When playing music, the master
unit is the left channel, and the auxiliary unit is the right channel.
2: TWS disconnection: TWS state of the speaker, double-click the " " button
on any master/auxiliary unit,TWS disconnected.
3: TWS function: TWS status of the speaker, and the key functions of
the master/auxiliary machine are synchronized.
Reasons and treatment methods:
1: the first use of the product needs to manually connect to
Bluetooth, It automatically goes back to the last paired Bluetooth
Reasons and treatment methods:
1: Check whether the product is connected to other Bluetooth devices.
Reasons and treatment methods:
1: the battery power is too low and the product can not be started, charging
2: Check whether the product is connected to other Bluetooth devices.
d . Problem: The sound of the product is low.
e . Problem: The Bluetooth transmission distance is short.
f . Problem: Unable to charge.
Reasons and treatment methods:
1: The product is not fully deployed or the horn sound area is blocked.
2. Do not subject the product or battery to mechanical impact to avoid
3. Do not charge the product unattended.
2.The product should be placed in a flat and stable plane in a normal
temperature and humidity environment.
3. Do not use this product in an environment where attention is required
(such as when walking on the road or driving).
Reasons and treatment methods:
1: The product is placed in a place with complex interference signals
(microwave oven, signal transmitting equipment, etc.), and the mobile
product is far away from the interference source equipment.
Reasons and treatment methods:
1: Check whether the charging cable is fully normally inserted into the
charging port of the product.
2: The product volume is not added to the maximum, manually increase the
product volume(some Android devices have no volume synchronization
when connected) exception handling
2: Place the product in a place with shielding or blocking signals (metal
desktop or device), and move the product position.
2: The product charging voltage is 5V, it cannot use the charging function if
the voltage is too high or too low , replace the charging adapter.
2: Check whether the product is in the Bluetooth waiting connection state.
2: Check whether the product charging is normal.
3: When pairing, the pairing device is within a close range of the product.
3: Check whether the Bluetooth device is on and in a relatively close range.
4.Restart the machine once or reset the product.
This device complies with part 15 of the FCC Rules.
Operation is subject to the following two conditions:
1. This device might not cause harmful interference.
2. This device must accept any interference received,
including interference that may cause undesired operation.
On/off: long press the “ " button for 2 seconds to start up,there is
a boot prompt sound.Press the "" button again for 2 seconds to turn off ,also
Bluetooth pairing/connection: after the first boot,the speaker enters
the Bluetooth pairing state,blue LED light Flash quickly, find the device name
"C15" on the mobile phone, click to connect, the connection is successful.
There will be a beep and the blue LED light will be on.
Play /pause: blue light flash slowly (every 3 seconds ), short press “
" button, music pause,blue light stays on. Short press the “ " button
again to resume playback,the blue light resumes slowly flash.
Bluetooth's disconnection: In the state of Bluetooth connection,
double-click the " " button to disconnect the current connection, there is
a prompt sound, blue light flashes quickly, the pairing state is re-entered.
Clear the pairing list: shutdown state, long press the " " button
for more than 5 seconds, disconnect Currently connect and clear the pairing
Reset: When the product function is abnormal, long press " "
button for 8 seconds, the speaker automatically restarts.
Emphasis on using accessories:Only use the accessories provided or
recommended by us (manufacturer).
Use specification and responsibilities:This product is used as a
Bluetooth connection attachment device, specially designed for wireless
audio communication, such as playing music or calling via Bluetooth
technology. Any operation that does not conform to the provisions of the
attached products is a non-standard use. We shall not be liable for damage to
USB equipment and non-standard use of products and additional accessories.
Safety Instruction Safety Instruction
