FCC ID: ZZ2ABH-31R
TWS Bluetooth
Earbuds User
Manual
SAFETY CAUTION
1. Use earbuds while driving, please observe the
national and regional regulation.
2. Please put all the equipment and accessories can
not be touched by the child or pet, which may cause
suffocation and serious consequences.
3. Please don't use the product under too high or too
low temperature environment. (Below -10 degree
centigrade or Above- 45 degree centigrade)
4. Extreme temperatures can cause deformations,
reduce the charging capacity of the device, and
shorten the service life.
5. Do not use wet equipment, liquid which can cause
severe damage to equipment.
6. Please do not use wet hand operating equipment,
equipment damage caused by water does not under
the warranty scope.
7. If the earbuds play at high volume for a long time,
your hearing may be hurt and suggest using the
lowest volume of the phone.
TWS OPERATION INSTRUCTIONS
Initial Earbuds Set Up/Pairing
Step 1: Once both earbuds are removed from the
case they will automatically power on, blue light
on each earbud will be on.
Step 2: Once the earbuds are turned on wait
for the prompt “DuDu”, this confirms that the
earbuds are synced. Once pairing between 2
earbuds, a blue and red light will start to flash in the
left earbud and a blue light flash in the right earbud.
Step 3: Go to the Bluetooth connection list on
your smart phone or tablet and search for “T31R”
Bluetooth name on your device. Click to connect.
Both earbuds flash blue light indicating that the
earbuds are connected to the Bluetooth device.
TWS OPERATION INSTRUCTIONS
Auto Power On: Once both earbuds are removed
from the case they will automatically power on, a
blue light on each earbud will on about 1 second, a
blue light of the left one will have 3 flashes at a time
and the connection process will start.
(Note: The case must be charged timely in order for the
earbuds to automatically power on. If the case is not
charged, the earbuds can be manually turned on.)
Manual Power On: Press and hold the main button
on the and earbud at the same time for about 3
seconds to power on. A blue light will on and begin
to flash on the earbuds followed by a “Power On”
message through the earbuds.
Auto Power Off: Place the earbuds back into the
case and close the lid. Once they are put into the
case, they will automatically power off and enter into
the charged state when a red light flashing on each
earbud.
Manual Power Off: Press and hold the main button
on the and earbud at the same time for about 3
seconds to power off. A blue light will on and begin
to flash on the earbuds followed by a “Power Off”
message through the earbuds.
Music Play/Pause： Short press or button could
play or pause music playing.
Music Next/Previous: Double press the main
button of earbud to go to the next song. Double
press the main button of earbud to go to the
previous song.
Answer Call：During incoming call, once press the
main button of or earbud once to answer a call.
End Call: During a call, once press the main button
of or earbud to end a call.
Reject Call：During an incoming call, double press
the main button of or earbud to reject a call.
Cancel Call：During the dialing state, once press
or button to cancel a call.
Low Battery Clarm：When the earbuds’ power is
less than 20%, they flash a red light and follow by a
“Low Battery” message through the earbuds.
Low Battery Shutdown： When the earbuds run out
of battery power, they will automatically shut off.
Automatic Connection：After the initial set up and
connection the earbuds will automatically connect to
your device next time you turn them on. (Please
ensure the Bluetooth is active on your device for
automatic connection.)
● Restore Original Settings：Under power off
status, press and hold the and buttons for
about 10 seconds, both earphones can be
restored to Factory Settings with alternating red
and blue lights flashing on both earbuds . Then
the earbuds can be reused by auto or manually
power on/off.
(Note: This function is suggested to be used
when the earbuds can't connect to each other
under the conditions of common use.)
Charging for Earbuds
Put and earbuds into the Charging Cases and
close the lid to start the charging process.The
charging earbuds will flash red lights until fully
charged. Once fully charged the red light will turn off.
Case Power Indicator
“●●●●” 100% Power; “●●●” 75% Power;
“●●” 50% Power; “●” 25% Power;
(Note: The normal Charging Case holds 400 mAh of
battery power which can charge the earbuds up to 3 times
from no battery power before the case has to be charged.)
TECHNICAL SPECIFICATIONS
V5.0
10-15M
50mAh*2
400mAh
About 1.5 hour
About 5 hours
About 5 hours
200 hours
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
Changes or modifications not expressly approved by
the party responsible for compliance
could void the user's authority to operate the
equipment.
This device complies with Part 15 of the FCC Rules.
Operation is subject to the following
two conditions:
(1) this device may not cause harmful interference,
and
(2) this device must accept any interference
received, including interference that may
cause undesired operation.