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.

TOZO NC7 Hybrid Active Noise Cancelling Wireless Earbuds

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TOZO NC7

Hybrid Active Noise Cancelling Wireless Earbuds

TOZO NC7 achieves a delicate balance of compact size, a 72-hour ultra-long battery life, and high-performance active noise cancellation, delivering an optimal user experience. With features such as optical in-ear detection and IPX6 water resistance, it fully satisfies your daily listening needs.

. . .

Active Noise Cancellation with Transparency Mode

72-Hour Battery Life + Wireless Charging

Optical Sensor for In-ear Detection

IPX6 Water Resistance

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Active Noise Cancelling

Keep Noise Out , Provide Truly  Immersive Sound It cut out the lower frequency  noises like aviation environment, trains, busy  office and so on, makes you focus on  what you  want to hear.

Transparency  Mode

Turn on Transparency Mode, you'll hear the outside sound more clearly. If on the subway, you are no longer need to take off your headphones to hear what platform the train is heading.

Optical Sensors

Adopt high-precision contact sensor, optimized for daily use and sports occasion.

IPX6 Waterproof

IPX6 Waterproof Nano-coating protects the earbuds from sweat or water.

Ultra-Long Playtime

Equipped with 70mAh battery and consume ultra-low power, allowing to achieve 72 hrs playtime.

Bluetooth 5.3 Technology

Support HSP, HFP, A2DP, AVRCP. Provides in-call stereo sound. Improve the transmission speed

Acoustic tuning

Accurately adjust every detail to achieve a perfect balance of bass, midrange and treble. TOZO NC7 provide powerful bass (lowes 17Hz), mellow midrange, and clear treble (up to 20kHz).

For Clear Calls

Eliminate Maximum 35dB of External Ambient NoiseAccurately .Capture Vocals to Achieve Clear Calls

Preset and Customize EQ

TOZO Acoustic Lab has provided 16 preset EQs in the TOZO APP according to different style musics, like Rock, Classical, Blue, Jazz, Hip-Pop, etc. Also can customize and save EQ in the APP.

One Step Pairing

Auto Pairing When Open the Charging Case After First Connection.

Easy Connection with Bluetooth TOZO-NC7

Compatible with iOS/ Android/ Windows etc.

TECH SPECS

Earphone

Type: In-ear True Wireless

Model: NC7

Color: Matte Black

Audio quality

Driver: φ7mm dynamic driver

Frequency response range: 17Hz - 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: Dual-mic ENC call noise reduction

Bluetooth

Bluetooth version: Bluetooth 5.3

Effective Bluetooth range: 10m

Battery Life

Battery capacity: 70mAh(earphones)/500mAh(charging case)

Music play time (AAC, default setting, 50% volume)*: 18h (single charge)/72h (with charging case)

Charging

Cable charge time: 2h (earphones)/2h (charging case)

Charging port: USB Type-C

Wireless charging: Wireless charging supported

Water resistance

Water resistance - earphone: IPX6

View More Specs

FAQ

: 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.