Check the setting of answering method on your cell phone and confirm if need some setting when connecting the Bluetooth device.

What should I do if the computer says they need a driver or transmitter to connect the earbuds?

Here are some methods for your reference.·Download a Bluetooth receiver to connect(in the computer settings)·Kindly check if your computer’s Bluetooth version supports Bluetooth 5.0

How to adjust the volume by earbuds?

Long press L or R earbud to adjust the volume while playing music.# R earbud Volume +# L earbud Volume -The volume adjustment is not available when it`s connected to a TV and computer.

Why the earbuds does not hold a charge?

1.Check if the metal connector is dirty, try to wipe it softly with dry cloth, paperclip or paper towels. (sweat or humidity may also lead to disconnection )2.Please have the battery case fully charged at the beginning without putting the earbuds in.·Swap the left and right earbuds to charge for a try.·Put the left one in the right side of the case, so does the right earphone, which is put in the left side of the case.·Confirm whether it’s the issue of battery case after operating steps above. 3.Reset could solve many problems occurred.

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TOZO NC2 Hybrid Active Noise Cancelling Wireless Earbuds

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TOZO NC2

Hybrid Active Noise Cancelling Wireless Earbuds offer transparency mode

TOZO NC2 features hybrid 3-layer active noise cancellation with technology with Transparency Mode. You can experience immersive sound with reduced environmental noise by over 35 dB, and stay connected to the world around you with Transparency Mode. Upgrade to TOZO NC2 for superior sound and convenience with seamless pairing, extended playtime, and IPX6 waterproof protection.

. . .

Active Noise Cancellation with Transparency Mode

Optical Sensor for In-ear Detection

42-Hour Battery Life + Wireless Charging

IPX6 Water Resistance

20%

OFF

Code :

NK757KC1

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Overview

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Specs

FAQs

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Review

Detail of vividly

High Stereo Sound Quality

TOZO acoustic experts foucus on precise

acoustic tuning. Accurately adjust every detail .

Perfectly fits

Ergonomic Design

The shape of NC2 perfectly fits the curve of

inner contour of ear. It can offer more wearing.

Nano-coating

Both Earbuds IPX6 Waterproof Protection

IPX6 Waterproof Nano-coating efficiently

protects the earbuds from sweat or water.

Fast charge

Upgraded Faster Wireless Charging

Enjoy fast wireless charging, to fully charge the

rechargerable case less than 2 hours.

The Advanced Bluetooth 5.2 Technology

Support HSP, HFP, A2DP, AVRCP. Provides in-call stereo sound. Greatly improve the transmission speed and providing you with a low-latency listening experience.

One Step Pairing

Pick up 2 headsets from the charging case and they will connect each other automatically. Then only one step easily enter mobile phone’s Bluetooth setting and choose "TOZO-NC2" to pair the earbuds.

TECH SPECS

Earphone

Type: In-ear True Wireless

Model: NC2

Color: Black/Blue/White

Audio quality

Driver: φ9.2mm dynamic driver

Frequency response range: 20Hz - 20kHz

Audio codec: AAC/SBC

Noise cancellation

Noise control modes: Noise Cancellation/Leisure Mode/Custom Pattern/
Reduce Wind Noise/Transparency Mode/Noise Cancellation Off

Call noise cancellation: Triple-microphone with ENC call noise reduction

Battery Life

Battery capacity: 50mAh(earphones)/500mAh(charging case)

Music play time (AAC, default setting, 50% volume)*: 10h (single charge)/42h (with charging case)

Charging

Cable charge time: 1.5h (earphones)/1.7h (charging case)

Charging port: USB Type-C

Wireless charging: Wireless charging supported

Weight and dimensions

Weight (each ear): 4.8g（±0.2g）

Weight (charging case): 43g（±1g）

Weight (entire device): 52.6g（±1g）

Dimensions of charging case: 69.9*34.2*38.2mm

Water resistance

Water resistance - earphone: IPX6

View More Specs

FAQs

: Check the setting of answering method on your cell phone and confirm if need some setting when connecting the Bluetooth device.
: Here are some methods for your reference.
·Download a Bluetooth receiver to connect(in the computer settings)
·Kindly check if your computer’s Bluetooth version supports Bluetooth 5.0
: Long press L or R earbud to adjust the volume while playing music.
# R earbud Volume +
# L earbud Volume -
The volume adjustment is not available when it`s connected to a TV and computer.
: 1.Check if the metal connector is dirty, try to wipe it softly with dry cloth, paperclip or paper towels. (sweat or humidity may also lead to disconnection )
2.Please have the battery case fully charged at the beginning without putting the earbuds in.
·Swap the left and right earbuds to charge for a try.
·Put the left one in the right side of the case, so does the right earphone, which is put in the left side of the case.
·Confirm whether it’s the issue of battery case after operating steps above.
3.Reset could solve many problems occurred.