User Manual
V4.1, APTX
HSP, HFP, A2DP, AVRCP
Up to 10 meters
Built-in rechargable 3.7V /
60mAH Lithium Battery
About 1 hour
Up to 3.5 hours
Up to 4.5 hours
Up to 150 hours
38 x 10.5 x 6.5
16g
Turning on Headset
In OFF MODE press and hold the MFB for 2
seconds until you hear “power on.” The indicator
light will turn blue. If you have previously paired
the headset it will automatically connect with that
device.
Turning off Headset
In ON MODE press and hold the MFB for 3
seconds until you hear “power off.” The indicator
light will turn red for 1 second. Note: if the
headset isn’t connected to any devices within 20
minutes it will automatically turn off.
Answering/Ending Calls
Press MFB once.
This headset is compliant with the specified
bluetooth version stated. It does not guarantee
compatibility of all functions on every bluetooth
enabled device. Please check your device’s user
manual for compatibility and functionality.
Headset will automatically turn off if not connected
with any bluetooth device for 20 minutes.
WARNINGS AND SAFETY INSTRUCTIONS
-Follow all instructions at:
www.decibullz.com/wireless-instructions
-Heed all warnings. Use only as directed.
-Your Decibullz have an acoustic seal, listening levels will be
perceived as louder. Insert your Decibullz and the volume low and
increase as needed.
-The acoustic seal created by Decibullz will block out external
noise. Useof Decibullz while operating a vehicle, bicycling, or
jogging may be dangerous.
-Do not tamper with your Decibullz product.
-Exposing Decibullz to temperatures above 150˚ F will cause
them to melt.
-Do not leave Decibullz in direct sunlight for an extended period
of time.
-Do not leave Decibullz near an open flame.
-Adult supervision required for children, components may be a
choking hazard.
-For product specific safety instructions and up to date
information please visit www.decibullz.com
-Contact support@decibullz.com with any questions.
Charging your Headset
1. Prior to using your headset for the first
time, or after no use for an extended time,
fully charge the battery.
2. Approx. 1 hour is required to fully charge
the battery.
3. The indicator light turns red while charging
and will automatically turn blue when fully
charged.
4. When battery is low the indicator light will
flash red. (Headset will turn off automatically
when the battery is fully drained.)
5. Headset can be used while charging.
V+
MFB
V-
Indicator light
Micro
USB
Mute
During a call press and hold “V+” for 3 seconds
to enter MUTE MODE. While in MUTE the speaker
will beep twice every 10 seconds. To exit MUTE
MODE press and hold “V+” for 3 seconds
again.
Adjusting Volume
Quickly press “V+” or “V-” to adjust the volume.
When the speaker has reached max or min
volume you will hear a beep.
Skipping Tracks
Press and hold either “V+” or “V-” for 2
seconds to skip to the next or back to previous
respectively.
Pause/Play
Quickly press the MFB to pause your music and
again to play.
Voice Control
To access voice control quick press “V+” and
“V-” at the same time.
Delete Pairing List/Reset Headset
While headset is on and not connected press
and hold “V+” and “V-” at the same time until
red and blue light flash twice. You will hear a
beep. Then press MFB for 3 seconds. This will
delete the pairing record and the headset.
After the record has been deleted and the
headset it turned back on it should enter
PAIRING MODE automatically.
Pairing your Headset
1. Ensure the headset if off and less than 1
meter from your bluetooth device.
2. Press and hold Multi-Function Button (MFB,
middle button) until indicator light alternately
flashes red and blue and you hear “pairing.”
3. On your device search bluetooth devices.
4. Select headset “BULLZ01” from the devices
list.
5. If your device has bluetooth 2.0 or lower
enter the pairing code “0000” and confirm. You
should hear “paired” and then “your phone is
connected.”
6. If pairing cannot be completed within 5
minutes of entering PAIRING MODE the headset
will automatically enter STANDBY MODE. Repeat
from step one to attempt again.
7. Ensure that there are no obstructions
between your headset and device and that they
are within range.
Specifications
Bluetooth Specifications
Profiles Supported
Operation Range
Battery
Charging Time
Music Playing Time*
Talk Time*
Standby Time*
Dimensions (mm)
Weight
*Times mentioned may vary due to user’s operation mode
and device settings.
Pairing with Multiple Devices
1. Turn off bluetooth on the device to which the
headset is connected.
2. With the headset off, press and hold the MFB
until headset enters pairing mode.
3. On your second device search bluetooth
devices.
4. Select headset “BULLZ01” from the devices
list.
5. If your device has bluetooth 2.0 or lower
enter the pairing code “0000” and confirm. You
should hear “paired” and then “your phone is
connected.”
6. To switch back to the first device, follow steps
1 and 2 again.*
*Depending on your device, you may have to go into
bluetooth settings and “connect” the headset again.
Status Headset Performance
Pairing
Mode
Headset can be paired, indicator
light alternates blue and red.
Not
Connected
Headset is not connected with the
device. Blue light flashes once
every 2 seconds.
Standby
Mode
Headset is connected with device,
but not operating. Blue light
flashes once every 5 seconds.
Active State Headset is being used on a call or
for music. Blue light flashes once
every 10 seconds.
Charging
Mode
Headset is plugged in. Red light is
on continuously until fully charged,
then changes to blue.
Low
Battery
When the battery is low the light
flashes red.
Indicator Light