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 Crystal Buds

True Wireless Stereo Earbuds With Digital Display

TOZO Crystal Buds redefines your audio experience with its outstanding design and advanced features, delivering high-fidelity audio and crystal-clear calls. The unique space capsule design showcases its style, while the intelligent LED digital screen ensures convenient charging. And these earphones are IPX8 waterproof and offer a long battery life of more than 40 hours.

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IPX8 Waterproof and Sweat Proof

Effortlessly Protects the Earbuds from Heavy Rain or Sweat during Intense Workouts and All-weather Conditions

Crystal-Clear Call

TOZO Crystal Buds are equipped with 4 microphones to reduce ambient noise through Dual-microphone AI algorithm, so you can enjoy High-fidelity audio and Crystal-clear call even in noisy environments.

LED Digital Display

The white digital display shows the overall battery life of the case and each individual earbud charge. It displays the remaining power and charging status, so no more worrying about low battery.

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.

The Advanced Bluetooth 5.3 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 enter mobile phone's Bluetooth setting and choose "TOZO Crystal Buds" to pair the earbuds.

Crystal-Clear Call

TOZO Crystal Buds are equipped with 4 microphones to reduce ambient noise through Dual-Microphone AI algorithm, so you can enjoy High-Fidelity audio and Crystal-Clear call even in noisy environments.

Charging is simple

Compatible with USB-C cable and fast wireless charging, keeping the power at any times, achieving faster transmission speed and more convenient use experience.

TECH SPECS

Earphone

Type: In-ear True Wireless

Model: Crystal Buds

Color: Black

Audio quality

Driver: φ6mm dynamic driver

Frequency response range: 20Hz - 20kHz

Audio codec: AAC/SBC

Noise cancellation

Call noise cancellation: Dual-mic ENC call noise reduction

Bluetooth

Bluetooth version: Bluetooth 5.3

Effective Bluetooth range: 10m

Battery Life

Battery capacity: 50mAh(earphones)/470mAh(charging case)

Music play time (AAC, default setting, 50% volume)*: 9h (single charge)/40h (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: IPX8

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.
: 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 Crystal Buds

True Wireless Stereo Earbuds With Digital Display

Ergonomic Comfort Fit

Imaginative Transparency to Create Crystal Buds

IPX8 Waterproof and Sweat Proof

Crystal-Clear Call

LED Digital Display

Premium Sound via ORIGX 2.0

Preset and Customize EQ

The Advanced Bluetooth 5.3 Technology