Down4Sound BASSBUDZ BB1 User manual

Thank you for choosing D4S-BB1
You made an excellent choice
True Wireless Gaming Earbuds
DOWN4SOUND BASSBUDZ BB1

Product Display
Touch Area MFB Control
Area
Earphones Specification
Bluetooth Version: V5.0
Impedance：32Ω
Earbuds Neat Weight:50g
Driver Size:12mm FR Range：20Hz-20KHz
Rated Input Voltage:5V
Standby Time:About 120H
Working Time:About 5H

Basic Operation
1. Power on: Open Lid and earbuds boot up automatically, or long press
MFB for 3s, there is a “power on”prompt tone.
2. Power off: Put back to case and close lid, earbuds are automatically off,
or long press MFB for 3s, there is a “power off”prompt tone.
3. Single Click: Left earbuds (L) Volume Down, Right earbuds (R) Volume Up.
There is a beep at maximum or minimum volume.
4. Double Click: Play/Pause; Answer Call/Hang up Call; Reject call when on
calling mode.
5. Triple Click: Left earbuds (L) Skip Back, Right earbuds(R) Skip forward.
6. Voice Assistance: Long press Left(L) for 2s to wake up Siri with a beep,
Long press for 2s to exit Siri with a beep
7. Game Mode: Long press Right (R) for 2s, prompt “Beep Game mode” to
enter game mode; Long press for 2s, prompt “Music mode”to enter music
mode.
8. Factory Reset: Earbuds on and unconnected, quickly click MFB for 5 times
to clear paring data, both earbuds LED lights are on, automatically off after
3s. Put earbuds back to charging case, close lid, open lid and connect
again.

Bluetooth Pairing Instructions
1. L&R earbuds Pairing: Left and Right earbuds auto pair, Master earbud
quickly flash when paring succeed, slave earbud light goes off.
2. Connect to device: both earbuds light go off when connected to device.
Search for bluetooth name “D4S-BB1”,click and connected.
3. Automatically connect back: After the first connection is successful,
earbuds will connect to the last paired phone by default.
Indicator Light Display
1. Power on: Indicator lights flash 3 times.
2. Power off: Indicator lights flash 1 time.
3. Un-connected: master earbuds light flash 1 time per seconds.
4. Game mode: both earbuds lights are on and do breathing effect.
5. Low Battery Warning: indicator light flash 1 time per 2 seconds
6. Charge the Case: <25% battery, first segment indicator flashes; 25%-50%
battery,second segment indicator flashes; 50%-75% battery, third segment
indicator flashes; 75%-100% battery, forth segment indicator flashes;
Full battery, all lights always on.
7. Case charge the earbuds: open lid and case light indicator is on for 60s;
close lid(with earbuds inside), earbud’s led light is on when charging, goes
off when full battery, light is off when earbud is not inside.

Notes on Charging
1. After using for a period of time, the contacts are oxidized, earbuds cannot
be charged or turned on. First, use alcohol and cloth to clean the contacts
and the two thimbles in the charging compartment to solve the problem.
2. When you put the earbuds back into the charging compartment, they will
turn off and start charging; if you take it out again, they will automatically
turn on and pair with each other automatically.
Maintenance:
a. The recommended operating temperature range is: 0-100 degrees;
excessive cold, overheating, or high temperature environments will reduce
battery life and affect product performance.
b. Do not use under thunderstorms.
c. After a long period of non-use, please charge it before use.
d. Please use a dry soft cloth to clean the earbuds.
e. If there is water or sweat at the notch, wipe it with a dry cloth, it will not
affect normal use.
Accessory List
Bluetooth earphones
Charging compartment
Charging Cable
Spare ear caps
User Manual

Common Problem
Safety Problem：
1. The earphone cannot be paired with the mobile phone?
Please check whether the headset is in pairing or back-to-back mode, and
check the mobile phone Bluetooth search function.
2. The headset cannot be turned on?
Please check if the earphone is fully charged and charge it.
3. Can I replace the battery of earphone?
No, this earphone uses a non-removable battery.
4. Can I use the earphone while driving?
You can use this earphone while driving, but it is not recommended to use a
Bluetooth big headset while driving and minimize the volume.
5. The earphone is disconnected from the phone?
The efective distance of this earphone is 10 meters indoors. If the distance
between the mobile phone and the earphone exceeds 10 meters or there are
multiple obstacles, the earphone and the mobile phone will be disconnected.
Please keep the earphone within the efective distance.
6. After the earphone is connected to a computer or mobile phone, hear
different sounds?
Because Bluetooth is a wireless technology, it is very sensitive to objects
between the earphone and the connected device. Please check whether there
is metal or other objects in the connection range that affect the connection.
7. After the Bluetooth earphone is connected to the mobile phone, can the
earphone be used to control the applications on the mobile phone?
The software settings of device applications may be different, so that the
functions of individual applications do not support the earphone controlling.
1. As there is a battery in the headset, please try to keep this product away
from high temperature areas.
2. Please try to use qualified chargers and charging cables, and try to avoid
using high current and voltage fast charging devices to charge this product.
3. The waterproof grade of this product is IPX5, please choose the
appropriate scene to use this product.

Warranty Service
If you have any question about products, please contact us.
We provide 1 year after-sales service.
Our dedicated customer service team will do best to offer fast respond
on your questions and best solutions.

True Wireless Gaming Earbuds