Installation Instructions

1. Indicator: Work indicator hole
2. Multifunction key: Startup & Shutdown key or
multifunctional combination key
3. Charging interface: Mirco 5pin charging interface
4. Volume down: Turn down volume or switch to former song
5. Call hole: Microphone call hole
6. Volume up: Turn up volume or switch to next song
7. Horn hole: Horn sound hole
Headphones are charged by Mirco 5pin charging line.
After charging, LED indicator changes from red (always
on) to blue (always on).
Introduction to Parts
Charging
Button operations
When the first call, short press the multifunction key
to complete the answer;
●Answer calls:
● Startup: Blue light is on;
● Shutdown: Red light is always on;
● Charge completed: Blue light is always on;
● Charging: Red light is always on;
● Low-voltage alarm: The red light flashes once in one
second;
● Standby (connect phone): The blue light flashes once
● When playing music: The blue light flashes once every
five seconds;
LED state
When calling, short press the multifunction key to
complete hang up;
●Hang up calls:
When the first call, long press the multifunction key
to complete the rejection;
●Reject calls:
● Please don't throw old batteries into old domestic
waste. If the battery is improperly disposed of, it may
cause the battery to fire or explode. Please comply
with local regulations to dispose of this product,
batteries and other accessories.
● The battery is forbidden to be disassembled,
impacted, squeezed or put into the fire. In case of
continuous bulging, please do not continue to use.
● Do not repair this product on your own.
Precautions:
● Low battery voltage: The red light flashes with a
sound.
● If it is not connected to any mobile phone after
startup, it will be shut down automatically in 5
minutes.
● Please charge this product for the first use.
● Do not remove or repair this product for any reason,
otherwise it may cause fire, electronic breakdown or
even complete damage to the product.
● Do not soak the product in liquid.
● If the charge is finished, please disconnect the
Precautions:
The headphone is disconnected from the phone with
"beep" sound.
●Disconnection:
Short press "volume up" to turn up volume; long press
"volume up" to switch to next song;
●Volume up or next song:
Short press "volume down" to turn down volume; long
press "volume down" to switch to former song;
●Volume down or former song:
When standby, press the multifunction key or operate the
player on the mobile phone; Blue light flashes once in 5
●Playing music：
When playing music, short press multifunction key to
pause music; Blue light flashes once in 10 seconds
●Music play pause:
In a shutdown state, long press the multifunction key
for 3 seconds. The headphone blue light is always on for
3 seconds and the red/ blue lights flash alternately. At
this time, the headphones enter the automatic Bluetooth
pairing mode and the headphone voice prompts "beep".
Turn on smart devices such as mobile phones, find "A5S
Pro" from the Bluetooth list, and click on the
connection; After confirming the connection, the
Bluetooth pairing
● First startup pairing:
In a shutdown state, long press the multifunction key
for 3 seconds. The blue light is always on for 3
seconds and the red/ blue lights flash alternately with
● Headphones on:
In a shutdown state, long press the multifunction key
for 4 seconds. The red light is always on with "beep".
● Headphones off:
● Weight: Bare machine 18g
● Headphone Type: Portable Bluetooth headphone
● Bluetooth version: V 5.0
● Transmission distance: over 10 meters
● Frequency: 20Hz ~20KHz
● Battery capacity: 120maH
● Play duration: 8 hours or so
● Charging time: 1.5 hours (First charge is preferably
more than 3 hours)
● Storage temperature: -30℃~ 80℃
● Working temperature: -20℃~ 70℃
Basic parameters
Search for headphones Connection succeeded
Settings Bluetooth
Bluetooth
MY DEVICES
A5S Pro
Settings Bluetooth
Bluetooth
MY DEVICES
A5S Pro Connected
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FCC STATEMENT :
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.
Warning: Changes or modifications not expressly approved by the
party responsible for compliance could void the user's authority to
operate the equipment.
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.
RF warning statement:
The device has been evaluated to meet general RF exposure
requirement. The device can be used in portable exposure condition
without restriction.
A5S