Ro-Man T301 User manual

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True wireless Bluetooth Earphone in Chinese and English
User Manual
Welcome
Thank you for choosing our products. The company Bluetooth earphone has a fashionable design, powerful functions, and
high compatibility, providing you with hands-free convenience in making calls and listening to music. It is your best choice
in office and during traveling and driving.
Bluetooth Wireless Technology

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With the Bluetooth wireless technology, you can connect the earphone to its compatible communication devices without
using cables. The Bluetooth wireless connection allows you to use a cell phone without holding it against the earphone, but
the maximum distance between them cannot exceed 10 meters (about30 feet). The Bluetooth wireless connection may be
interfered by obstacles (such as walls) or other electronic devices.
In some areas, use of the Bluetooth wireless technology may be subject to some constraints. Please consult your local
authority or service provider for details.

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Fully charge the earphone before using. For details about how to charge the earphone, see "Charger and Battery" in this
manual. Meanwhile, choose the cell phone that is compatible with the earphone or other Bluetooth devices to pair with the
earphone. For details about pairing, see "Basic Operations".
Tip: Keep the earphone away from your credit card or other magnetic storage media; otherwise, the stored information may
be lost due to demagnetization.
How to connect with the Bluetooth earphone (Note: Use iPhone for example)
For customer’s convenience of operation, the left- and right-channel stereo of the two Bluetooth earphones has been paired and connected
before leaving factory.
●Dual-earphone mode – Initial use of the earphone
1. During the first use, take the left- and right-channel earphones out of the charging box and remove the switch-on stickers. Then put the
earphones back into the charging box. The indicators turn blue and the earphones are activated.
2. Take the left- and right-channel earphones out of the charging box, and the earphones will automatically complete AiroStereo pairing
and connection. Then the indicator on the main earphone (left-channel earphone) will blink red and blue alternately.
3. Turn on Bluetooth on your mobile phone, and search for the main earphone (L) Bluetooth device.

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4. Once the Bluetooth earphone is found, tap Pair to complete connection.
●Dual-earphone mode – Automatic pairing
1. Take the left- and right-channel earphones out of the charging box, and the earphones will automatically complete AiroStereo pairing
and connection.
2. For Bluetooth devices that were paired with before, the earphones will automatically pair with the device.
●Dual-earphone mode – Manual pairing (After failure of earphone pairing during first use)
1.Method 1: When the headset is taken out from the charging cradle, the headset will power on automatically, and a voice tone “Powering on”

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prompts. Long press the MFB buttons on both the left and right earphones until the purple indicator flashes. Then the left and right earphones
will be paired and connected automatically, with a voice tone “Paired and connected” prompted. The left earphone prompts "Left channel" and
the right one prompts "Right channel".
Method 2: Press the MFB buttons on both the left and right earphones for about 5s. The red indicator is off, and both the earphones power off.
Long press the MFB buttons on both the left and right earphones until the purple indicator flashes. Then the left and right earphones will be
paired and connected automatically, with a voice tone “Paired and connected” prompted. The left earphone prompts "Left channel" and the right
one prompts "Right channel".
2.The main headset (L) will automatically go to the red and blue lights flashing alternately.
3.Turn on Bluetooth on your mobile phone, and search for the main earphone (L) Bluetooth device.
4.Once the Bluetooth earphone is found, tap Pair to complete connection.

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●Single-earphone mode (Using any of the earphones independently)
1. Method 1: when the headset is removed from the charging base, the headset is automatically turned on and the red and blue lights are
alternately flashing and paired.
Method 2: long press the multifunction key of headphone (MFB) about 3s, accompanied by 'boot' prompt sound, enter red and blue light
alternately flicker pair state
2.Turn on the Bluetooth of your phone and search for Bluetooth devices. Select the earphone to complete Bluetooth pairing.

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Basic Operations
○
AiroStereo pairing mode:When the headset is removed from the charging base, it is automatically turned on,
accompanied by a "boot" prompt Press MFB of the left and right earphones for a long while till an indicator
quickly blinks purple (The other two indicators blink red and blue at the same time); then, the left and right
earphones can be paired and connected automatically and a voice prompt “Pairing successful , Connected”
sounds. The voice prompt “Left Channel” sounds from the left-channel earphone, and “Right Channel”
sounds from the right-channel earphone.
Search for Bluetooth devices
Complete Bluetooth pairing

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○
Power-on pairing: When the left and right earphones are off, press MFB for about 3s. The earphones are
powered on with a prompt tone “Du, Power On”, and then automatically enter the pairing mode.
○
Connection: After the left and right earphones are AiroStereo paired and taken from the charging cradle,
your mobile phone will find T301_L and T301_R through Bluetooth. The red and blue indicators on the main
earphone (T301_L) will flash alternately. Select the main earphone to connect, and a voice tone “Paired,
second device connected” will prompt. If the pairing record has been cleared, the earphones need to enter
the AiroStereo pairing mode again, otherwise the right earphone won’t automatically connect to the left one,
and can only be used independently.
○
Hang-up: During a call, press the MFB button on the left/right channel headphone once. A beep is
prompted.
○
Rejecting a call: When a call comes in, double press the MFB button on the left/right channel headphone.
A voice message “Rejected” is prompted.
Audio transfer: During a call, long press the MFB button on the left/right channel headphone, and release
until a beep is prompted. Repeat this operation to transfer the audio between your phone and headset.

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○
Mute/Unmute: During a call, double press the MFB button on the left/right channel headphone. A voice
message “Mute” is prompted. Repeat this operation to unmute the call. A voice message “Unmute” is
prompted.
○
Answering a call: When a call comes in, press the MFB button on the left/right channel headphone once. A
beep is prompted.
○
Auto re-dial: When the headset is in connected standby status, double press the MFB button on the
left/right channel headphone. A voice message “Auto re-dial” is prompted. Press the MFB button once to
cancel the re-dial, and a voice message “Dial cancelled” is prompted.
○
Music playing/pausing: When the headset is playing music, press the MFB button on the left/right channel
headphone once to pause. Repeat this operation to restart playing.
○
Clear pairing record：When the headset is being charged, double press both the MFB buttons on the left and

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right channel headphones. The LED indicator blinks red for 3 times.
○
Automatic re-connection: After the earphone are powered on, they are actively re-connected to the last
paired one devices.
○
Chinese / English voice switching：Take out the main (left channel) headphone from the charging cradle,
and long press the MFB button for 5s to enter the AiroStereo pairing mode. (The indicator will turn purple).
Then double press the MFB button to switch the language for voice message. A voice message is prompted.
Take out the right channel headphone, and it will automatically synchronize the language set in the main
headphone.
○
Three-way call：During a call, if another call comes in,
- Press the MFB button on the left/right channel headphone once to hang up the current call and answer the
incoming call.
- Double press the MFB button on the left/right channel headphone to keep the current call (A) and answer
the incoming call (B). Double press the MFB button again to switch between calls A and B.
- During a three-party call, press the MFB button on the left/right channel headphone once to hang up the
current call.
○
Auto Power-on: Pick up the earphone from charging box, the earphone will auto power-on.

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○
Auto Power-off: Put the earphone into charging box, the earphone will auto disconnect.
○
iOS battery level display: After the earphone is connected to the iOS, the battery level of the earphone
can be displayed.
○
Power-off: Press MFB for about 5s (After the AiroStereo pairing mode is completed, any earphone is
powered off, the other earphone is powered off at the same time),the earphone are powered off with a
prompt tone “Du, Power Off”.
○
Sound control enabling/disabling: In connected standby status, press MFB of the left/right-channel
earphone for about 2s. A prompt tone “Du”rings upon button release. Press MFB again to disable sound
control.
○
Multi-point function: For one single device, 1) Connect the bluetooth earphone with device A, and then close
bluetooth function of device A. 2) Connect the bluetooth earphone with device B. 3) Open bluetooth function
of device A again, then the earphone will auto connect device A (Bluetooth device needs to have auto
connect function); or click device A for manual connection. 4) Now the bluetooth earphone has already
connected device A and B, realizing the multi-point function of one bluetooth earphone connects two
devices.

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Charger and Battery
Before using any charger to charge this earphone, check whether the specifications of the charger meet requirements. The
recommended output voltage of the charger is DC5V+/-0.25V, and the recommended output current is 100 mA to 500 mA.
An over-high charging voltage may damage the earphone.
Warning: Use the recommended charger whenever possible. Use of other types of chargers may violate the warranty terms
of the equipment and results in danger. If the charging cable is delivered with the earphone, connect the cable to a
CCC-certified charger or computer to charge the earphone.
Charging the Battery
The earphone use embedded charging battery that cannot be removed. Do not attempt to remove the battery from the
earphone or the charging box; otherwise, the earphone may be damaged. If the earphone is not used in a long time, keep it
in a cool and well-ventilated place, and charge the earphone once every two months.
1.
When the LED indicator connected earphone flash red with a voice “Low battery, please charge”, put the earphone
into the charging box. Otherwise the earphone will power off automatically.
2.
If both the earphone and charging box are out of power, insert the cable of the charger into the Micro-USB port on the
charging box, and plug the charger into the AC socket. The charging box and earphone will be charged
simultaneously.
3.

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The earphone is charged through two metal contacts during charging in the box, and the indicator blinks blue while
charging. The full charge takes about two hours. The indicator goes off when the earphone is fully charged. Then you
can take out your earphone for use. When the charging box is being charged, the four indicators blink blue in
sequence. The full charge takes about two hours. The four indicators become steady blue when the charging box is
fully charged. Then you can disconnect the charger from the socket and charging box.
4.
A fully charged battery of earphone can provide about 3.5hours of talk time, or 60hours of standby time. The actual
talk time and standby time may vary with cell phones, settings, use methods, and environment.
Troubleshooting
Problem Description
Cause
Solution
The earphone cannot be
powered on.
The earphone is out of power.
Put the earphone into the charging box. (If the charging box is also out of
power, charge the box with the charger first.)
The power button is not pressed and
held for sufficient time.
Press and hold the power button again.
The earphone cannot be
charged.
The earphone metal contacts are not
well connected to the charging box
pins.
Take out your earphone and adjust the metal contact angle, and then put it
back into the charging box. Ensure that the metal contacts are well
connected to the charging box pins.

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The earphone cannot be
powered off.
The earphone program is in error
due to an incorrect operation.
Put the earphone into the charging box and reset the earphone.
The earphone cannot be
searched or pairing fails.
The earphone does not enter the
pairing state.
Enable the earphone to enter the pairing state.
The Bluetooth application of the cell
phone is in error.
Power off and then on the cell phone to pair the cell phone with the
earphone.
After-Sales Service
company provides the "repair, replacement and return warranties" ("3Rs-Warranty") service to all its products strictly
according to laws and regulations, and the warranty period is one year.
We do not directly provide the return and replacement services.
If you find any quality problem when using our products, please contact your local distributors as soon as possible for
timely replacement. The after-sales service is not provided for the following cases:
1.
The Fragile label is altered or torn up.
2.
The product is damaged due to contact with liquid or water.

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3.
The cover or other components of the product are seriously distorted due to external forces.
4.
The product is damaged due to improper operations or storage.
5.
The product is damaged due to an accident or negligence.
6.
The product is damaged due to commercial use of the product in abnormal conditions.
7.
Any other situations similar to the preceding ones.
Tips
1.
To extend the service life of the battery, you are advised to charge the earphone at least once a month.
2.
Please use the charger provided by company to charge the earphone. Use of other low-quality chargers may bring
about dangers.
3.
Adjust the volume to an appropriate degree when using the earphone.
4.
DO NOT wear the earphone when sleeping; otherwise, the earphone may be damaged or cause injuries to you.

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5.
When driving, you are advised to use the company Bluetooth earphone to ensure your driving safety. It is dangerous
to directly use cell phones when driving.
6.
Keep the earphone away from kids. Small components of the earphone may cause suffocation or other injuries to
kids.
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.
7.