Costou ESUE BESUE SOUNDSPRITE User manual

BESUE SOUNDSPRITE WIRELESS HEADPHONES
By
COSTOU
Thank you for purchasing this product
Please read these instructions carefully before using the product
and save this manual for future use
USER MANUAL


Dear Customer,
Thank you for purchasing BESUE SoundSprite Wireless
Headphones, we sincerely hope they are helpful for your life
and more details they are going to bring to your music world.
Costou Support Team
www.costou.com
Your encouragement and understanding are our incentive for
keep moving forward! And now, let’s enjoy music!
Please always remember that what you got from us are not
just the product but service as well. From the first day you got
the product in hand, please always consider Costou team as the
first choice for trouble-shooting.


1
Part Name
Type-C Slot LED
Charging Case
Wireless Charging Area
Power Button
Hall Switch
Touchpad
Breathing Light
Left Earphone Right Earphone

(Important) Initial Activation
Please activate the earphones before first use.
Take both earphones out from the charging case.
Remove the plastic film from both earphone’s stem.
Place the earphones back to the charging case and close the lid.
Your earphones will start to charge and be activated.
Beforeuse
tear off
Beforeuse
tear off
2.
3.
Beforeuse
tear off
Beforeuse
tear off
1.
2

Charging & Battery
Note: wireless charger is not included.
0%-33%
34%-66%
67%-100%
Fully charge both earphones and charging case at least once every 6 months.
Single press the button to check battery level of charging case .
Fully charge both earphones and charging case before first use.
Option 1:wired charging Option 2:wireless charging
Output:5V/1A
2h
1.5h
3

Power On Power Off
Power On / Off
Note:
Power On Power Off
3s 10s
4
When the earphones are outside of the charging case, “ power on / off ”
can be controlled manually:
When the earphones are placed inside the charging case, “ power on/off ”
will be controlled by the hall switch automatically:
Power off: tap and hold the touchpad for 10 seconds (L/R)
Power on: tap and hold the touchpad for 3 seconds (L/R)
Power off: close the lid
Power on: open the lid

Connection
Connection with Another Device
Note:
Open the charging case, the earphones will power on and pair with each
other automatically.
Search “BESUE SoundSprite” in the bluetooth list of your device and click
for connection.
Unpair the earphones from current device firstly.
Search and connect the earphones on another device. (refer to “First
Connection with your Device”)
If no device is available for connection, the earphones will power off in 3
minutes automatically
<Settings Bluetooth
Bluetooth
BESUE SoundSprite i
MY DEVICES
NOW discoverable as “iPhone”
IOS
<Bluetooth
On
BESUE SoundSprite
Available devices
Bluetooth pairing request
Pair with BESUE SoundSprite?
Cancel Pair
Android
5
First Connection with your Device
Enable “Bluetooth” on the device before connection.

Wearing
Check the orientation (up and down), L (left) and R (right) of the earphones.
Select the size of any earplugs that provides the best fit and sound isolation.
Carefully insert the earphones into the ear so that a tight seal is formed.
Adjust the earphones to get the most comfortable and suitable angle for you.
6
Note:
1. The product provides 7 different size of earplugs.
2. Different earplugs will bring different acoustics performance. We suggest you
choose earplugs based on your preferred acoustics features as well as wearing
comfort.

Controls
Play / Pause
Next Track
Previous Track
Volume up
Volume down
Answer / End a call
Reject a call
Activate / Quit Voice Assistant
Activate / Quit Low Latency Mode
Power On
Power Off
Double Tap (L/R)
Tap and hold for 1 second (R)
Tap and hold for 1 second (L)
Single Tap (R)
Single Tap (L)
Double Tap (L/R)
Tap and hold for 2 seconds (L/R)
Triple Tap (R)
Triple Tap (L)
Tap and hold for 3 seconds (L/R)
Tap and hold for 10 seconds (L/R)
7

Reset
Reset the earphones only if the earphones can’t work properly.
1. Place both earphones into the charging case and make sure they are both
been charged (the left and the right LED both light up).
2. Press and hold the button for about 6 seconds, the 3 LED indicators on the
charging case will all light up for 3 seconds and quench.
3. All memory data will be cleaned and earphones are ready to be connected.
Note:
1. The "BESUE SoundSprite" name must be deleted from the bluetooth list on
the device before resetting.
3s
2. If no "BESUE SoundSprite" is shown in the bluetooth list after resetting, please
reflesh or re-enable Bluetooth and search again.
8

Specifications
Output
Battery capacity
Charging time (earphones)
Charging time (charging case)
Playtime (varies by volume level and content)
Driver size
Frequency response
Impedance
Bluetooth range
Bluetooth version
5V / 500mA
DC5V / 0.1A
50mAh*2 (earphone); 600mAh (charging case)
1.5 hours
1.5hours (wired); 2 hours (wireless)
9 hours (Totally 40 hours with charging case)
10mm driver*2
20Hz-20kHz
32Ω
10m / 33 ft (The range can decrease depending
on the environment, obstacles or interference.)
V5.2
Input
9

Limited Warranty
The company warrants your products against defects in materials and
workmanship when purchased directly from BESUE (BESUE BY COSTOU) or a
authorized reseller. This warranty is extended only to the original end-use
purchaser or the person receiving the product as a gift and shall not be extended
to any other person or transferee. The warranty is valid from the date of retail
purchase for a period of 12 months. In the case of a covered warranty defect,
BESUE will at it’s option:
This warranty dose not cover defect or damage arising from improper use or
maintenance, normal wear, tear commercial use, accident, or external causes.
Unauthorized repair, modification, or customization of your product voids this
warranty.
BESUE may require you to provide proof of purchase details, including but not
limited to a receipt or sales invoice. This limited warranty gives you specific rights
that are in addition to other rights you may have under applicable laws, including
your rights against the person who sold the BESUE product to you.
To the extent permitted by law, however, this warranty is the sole and exclusive
warranty provided by BESUE. BESUE disclaims all other warranties whether
express or implied (including but not limited to any warranty of merchantability,
satisfactory quality, fitness for particular purpose, title, and non-infringement ),
and BESUE’s liability shall be limited to the original purchase price.
This warranty does not restrict to rights of the consumer mandated under
applicable laws.
A. Repair the product using new or refurbished parts.
B. Replace the product with an equivalent new or refurbished product, or
C. Provide a partial or full refund of the original purchase price to you in
exchange for the return of the product.
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To provide better using experience and keep improving the product and service,
BESUE provides an extended 24-Months Warranty + to customers who share
true using experience with us.
Log in http://www.costou.com and find “Register” at the bottom, or scan the
code directly.
Web: log in http://www.costou.com and find “Trouble-shooting” at the bottom,
or scan the code directly.
Warranty + & Trouble-shooting
Activate Warranty+(24-Months )
Trouble-shooting
Scan QR Code for Warranty+ Scan QR Code for Trouble-shooting
Note: Please always consider Costou as your first choice for trouble-shooting.
E-mail:[email protected]
Please send messages with your order details and trouble description as well,
normally you will get replied within 24 hours.
Check and resend your message if no reply in 72 hours. (Recheck E-mail address
and make sure your electronic mail-box is availble to receive our message)
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Precautions - Charging
The charging case is designed with overcurrent protection and overvoltage
protection. The three LEDs will flash rapidly during improper charging and stop
charging to prevent potential damage.
Proper charging is not possible if there is dust or droplets of water on the
terminal sections of the earphones or charging case. Remove the dust or water
droplets before charging.
When the battery level starts to run low while you are using the earphones, you
will be notified by a prompt tone every 5 minutes until the earphone power off
automatically.
When battery is less than 10% in the charging case, the left LED will flash
for 30 seconds to indicate that the charging case needs to be recharged.
When earphones are charging inside the charging case, the left and the right
LED will light up to show the charging status of the left earphone and the right
earphone correspondingly. Confirm the L side and R side of the earphones
matching the positions of the charging terminals in the charging case.
(charging of the earphones will not start if the positions do not match)
The charging case is designed to be charged with a 5V/1A charger. Do not
use a quick charger with charging voltage excess 5V or currency excess 1A.
For wireless charging, please use a certified wireless charger (not provided).
Using the supplied USB charging cord only.
Charge in a room temperature between 10℃and 35℃
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Please place the charging case in the center of the wireless charging area.
Charging will not start if the charging case is not positioned properly.

Precautions - Connection
Enable “Bluetooth” on the device before connection.
Each time you power on the earphones, they will automatically connect to
the last successfully connected device which is available within the effective
Bluetooth range.
Pairing & Connection process may take 3 - 10 seconds.
Please confirm the connection request if you see a pop-up (Android System)
If the device is ready for connection but “BESUE SoundSprite” is invisible in
the bluetooth list, refresh or re-enable “Bluetooth” and search again.
To switch between two single earphone, connect the earphones to the device
firstly and place any one into the charging case to use the other only.
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Initial activation is required for the first using of brand new product only.

Precautions - Cleaning of Earphones
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Securely attach the earplugs. If they are left in the ears after coming off,
injury or sickness may be caused.
Keep the earphones clean. After use, make sure there is no earwax, foreign
matter, etc., attached to the earplugs. If there is earwax, foreign matter, etc.,
attached, remove the earplugs from the earphones firstly and clean them.
Please take the earplugs off before cleaning them. If you clean the earplugs
while they are attached to the earphones, you may damage the protective
mesh on the earphones.
Remove earwax, foreign matter, etc., that attached to the protective mesh of
the earphones by blowing on it, etc. You may block the protective mesh if you
try to remove with a cotton swab, etc., which can lead to malfunctions.
If hair styling product, make-up, etc., gets onto the earphones, wipe off
immediately with a soft dry cloth. (Do not touch the protective mesh as this can
have an effect on audio characteristics)
Store the earphones in the charging case to protect them from foreign matter,
etc., getting on them.
Keep your ears clean. If there is a built-up of earwax, the protective mesh on
the earphones may get blocked during use, leading to malfunctions such as a
lessening of volume, changes to audio characteristics, etc.

Precautions - Safety
Please read and keep all safety and use instructions
Contains small parts which may be a choking hazard. Keep the earphones and
the earpieces out of reach of children and pets to prevent swallowing. After use,
put them in the charging case and close the lid for storage. Children should use
only under adult supervision. (Not suitable for children under age 6)
Use caution and follow applicable lows regarding mobile phone and headphone
use if using the headphones for phone calls while driving. Some jurisdictions
impose specific limitations, such as single earpiece configuration, on the use of
such products while driving. Don’t use the headphones for any other purpose
while driving.
Focus on your safety and that of others if you use the headphones while
engaging in any activity requiring your attention, e.g., while riding a bicycle or
walking in or near traffic, a construction site or railroad, etc. Remove the
headphones or adjust your volume to ensure you can hear surrounding sounds,
including alarms and warning signals.
Clean this product with a dry and soft cloth only. Do not use pointy objects.
Do not use solvents including benzine, thinner, alcohol, kitchen detergent, a
chemical wiper, etc. This might cause the exterior case to be deformed or the
coating to come off.
Use this product with an approved power supply which meets local regulatory
requirements only (e.g., UL, CSA, VDE, CCC).
Do not make unauthorized alterations to this product. Refer servicing to
qualified service personnel.
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Discontinue use if you experience discomfort with the earphones or any other
parts that directly contact your skin. Continued use may cause rashes or other
allergic reactions.
Be aware that this product may get warm while charging or immediately after
charging. Depending on your constitution and health status, putting the
earphones on may trigger adverse reactions such as skin redness, itching, and
rash if the earphones have just been taken out of the charging cases and still
warm.
Keep this product away from devices that produce electromagnetic interference.
Such devices may affect the performance of this product.
Do not expose this product into fire or a hot oven, or mechanically crushing or
cutting, that can result in an explosion.
Do not expose this product to rain, moisture, dripping or splashing.
Do not use the product at a high volume for any extended period. To avoid
hearing damage, use the product at a comfortable, moderate volume level. Turn
the volume down on your device before placing the headphones in/on your ears,
then turn the volume up gradually until you reach a comfortable listening level.
Do not expose the product to excessive heat (e.g. direct sunlight, fire or the like).
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