TOZO NC2 Wireless Bluetooth Earbuds with Active Noise Cancellation User Manual

www.tozostore.com NC 2 ACTIVE NOISE CANCELLATION
User Manual

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The earbuds provides you with the extrordinary experience of stable voice call and peaceful music sound in noisy surroundings with fashionable appearance and multiple functions, making them a great choice for you while working, going out and driving.

Truly Wireless Active Noise Cancellation Technology

With the technology of Earbuds, you can select compatible communication devices without using cables.
Earbuds does not require keeping the phone facing earphones directly, but the maximum distance between them should not exceed 10 meters (about 30 feet).
Using active noise cancellation technology, the microphones collect the noise, then the acoustic engineer calculates and designs a series of software and hardware algorithms, the circuit generates a reverse sound wave that is opposite to the noise and emits it through the horn. Finally, the noise and the reverse sound wave cancel each other.

Specifications

Model: NC2
ANC Noise Reduction: 35dB
Bluetooth Version: 5.2
Impedance: 32Ω
Frequency Range: 20Hz~20,000Hz
Charging Port: Type-C
Earphone Battery Capacity: 50mAh*2
Charging Box Battery Capacity: 500mAh
Charging Time of Earphone: 1.5H
Charging Time of Charging Box: 2.5H
Play Music Time (ANC OFF): 8H
Play Music Time (ANC ON): 6H

Overview and Packing List

Package contains Linner NC2 earbuds, a charging box, 6 sizes of ear buds (the M size ear buds are pre-installed on the earphones), USB-C charging cable, and instructions.

Earbuds Function Diagram

Touch Control Prompt

Please use the touching panel to control the earbuds.
The sensing area is located in the earphone handle’s upper part.

Wearing Earbuds

In order to obtain a better noise cancellation effect, the wearing angle can be adjusted appropriately after wearing, so that the earbuds is slightly pushed into the ear canal.

Choose the Right Earbuds

Appropriate sizes of ear buds are essential to noise cancellation experience, sound quality and comfort.
Please try on different sizes of ear buds. Please note that you may need to use different sizes of ear buds for your left and right ears.

Power ON/OFF

Auto power on
Open the cover of the charging box, the earbuds will power on automatically.
Auto power off
Put the earbuds into the charging box, close the cover, and the earbuds will power off automatically.
Another method of Turning off
Hold L or R for 5 seconds will turn off when not playing media.
Another method of Reset
Hold L or R for 20 seconds will turn off or reset.

Earbuds Pairing

In order for convenient use, the pairing between left and right earbuds has been completed before leaving from factory.
When the cover is opened, earbuds would turn on and pair with each other automatically, and enter connection or pairing status.

Bluetooth Pairing

1. Open the charging box, keep the earbuds in the charging box, hold the charging box button 3s to force the earbuds to enter pairing status. Please note that this operation will not clear the previous Bluetooth pairing record.
2. After the pairing of the left and right earbuds, open the Bluetooth search in mobile phone, and connect the device. Then the mobile phone displays the pairing name as “TOZO-NC2″.
3. When using again, double earbuds will pair with each other and return to the last pairing device automatically.
4. For single earbuds use, pick up one side and keep the other side closed in the charging box. After the earbuds which is taken out failed to reconnect, it will enter the reconnecting mode after 2 seconds, and pairing coexistence with other device. After connecting the phone, take out anotherearbuds and enter binaural mode automatically.
5. If stay in the pairing or reconnecting state for 5 minutes in Active Noise Cancellation or Transparency mode, earbuds enter thestandby mode automatically. lf stay in the pairing or reconnecting state for 5 minutes in normal mode, earphones turn off automatically.

NOTE: While the left and right earbuds are disconnected, put the earbuds in the charging box (open charging box) , hold charging box buttons for 15 seconds to pair the left and right earbuds.

Bluetooth Lost

1. Turn off mobile phone’s Bluetooth, earbuds will enter the pairing mode and do not connect back. ( If stay in the pairing or reconnecting state for 5 minutes in Active Noise Cancellation or Transparency mode, earbuds enter the standby mode automatically. If stay in the pairing or reconnecting state for 5 minutes in normal mode, earbuds turn off automatically.)
2. If the connection range is exceeded, it will enter the back-connection mode, and can pair with other devices at the same time. (If stay in the pairing or reconnecting state for 5 minutes in Active Noise Cancellation or Transparency mode, earbuds enter the standby mode automatically. lf stay in the pairing orreconnecting state for 5 minutes in normal mode, earbuds turn off automatically.)

Light Sensor Function

Music pause and play:

1. Put one earbud back into charging box and close charging box, using the other one earbud listening to music, music pause automatically when earbud is out, play automatically when re-wear.
2. Using double earbuds listening to music, music pause automatically when either earbud is out, play automatically when both earbuds re-wear.
3. Wearing one or double earbuds: stop listening to music, music will not play automatically when re-wear.

Active Noise Cancellation mode:

1. Earbuds will enter the normal mode automatically when using single earbuds and automatically resume previous mode when useing double earbuds;
2. When using double earbuds and put one earbuds back into charging box, earbuds automatically resume previous mode when re-wear double earbuds.

Touch Operation (Operation in wearing of double earbuds)

| Double tap the L sensing area (“L sensing area” abbreviated as “L”), then skip to the previous song.
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| Tap the R sensing area (“R sensing area” abbreviated as “R”) to play or pause music.
Double tap the “R” to skip to the next song.
| Long press the “L” to decrease the volume when playing.
| Long press the “R” to increase the volume when playing.

Touch Operation (Operation in wearing one earbuds)

| Double tap the L sensing area (“L sensing area” abbreviated as “L”), then skip to the previous song.
Tap the L or R sensing area to play or pause music.
Double tap the “R” to skip to the next song.
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Active Noise Cancellation Control

| Tap the”L” to switch between Transparency mode / Active Noise Cancellation mode
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The Active Noise Cancellation function are not available when using single earbuds.

Calling Control

| Tap L or R sensing area to answer the call or it will answer the call automatically.
Long press L or R for 2 seconds the sensing area to hang up the call.
Long press L or R for 2 seconds the sensing area to reject the call.
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Voice Assistant

| When using single or double earbuds, triple tap L or R then leave hold after hearing “BEEP” to wake up voice assistant.
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Reset

Open the charging box and keep the earbuds in box. Long press the button of charging box for 10 seconds until the charging box LED lights flash 5 times at the same time, the earbuds will restart automatically after clearing the pairing, then enter the pairing status with mobile phone. Open the charging box and keep the earbuds in box.
Long press the button of charging box for 3 seconds until the first and fourth charging box LED lights flash 3 times at the same time, the earbuds bluetooth will disconnected, then enter the pairing status with mobile phone.
Open the charging box and keep the earphones in box. Long press the button of charging box for 15 seconds, the left and right earphones are interconnected with each other, and enter into connection or pairing status.

Low Battery Alarm

When the battery power is low, it will be reminded once every 2 minutes until the battery power is run out and turn off.

Earbuds Charging

Put earbuds into the charging box to charge automatically.

Box Wireless Charging

Designed for modern life, you could use either charging cables or wireless charging pad for charging, enjoy the convenience of unplugged charging and instant charging.

Display of Charging Box Power

Click / double clip the button of the charging box: Indicators displays the battery level of the charging box for 3s;
Opening the charging box without earbuds in charging box, Indicators displays the battery level of the charging box for 3s.Opening the charging box with earbuds in charging box, Indicators displays the battery level of the charging box for 5s.

Indicator Status

Bluetooth pairing
(mobile phone / other device)| Pairing status: white light flashes quickly (flashing once in 0.5 seconds)
Connection successfully: light goes off
Standby mode: white light flashes twice every 5 seconds
Incoming call| The indicator light flashes every 2 seconds.
Earbuds charging| The earbuds are automatically charged when put into the charging case.
Charging box charging| When charging, the last lights flashing, all lights are always on after fully charged.

Warning Tone

Bluetooth pairing
(mobile phone / other device)| Connected (Broadcast in double earphones)
Bluetooth lost| Disconnected, pairing
Volume Adjustment| BEEP
Incoming call| Android system: Incoming call or Ringtone
IOS system: Ringtone
Call rejected| Call rejected
Low Battery Alarm| Battery Low

210-152240
FCC ID: 2ASWH-NC2
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.

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