Check the setting of answering method on your cell phone and confirm if need some setting when connecting the Bluetooth device.
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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.
Compatible with USB-C cable and fast wireless charging, keeping the power at any times, achieving faster transmission speed and more convenient use experience.
Type: In-ear True Wireless
Model: Crystal Buds
Color: Black
Driver: φ6mm dynamic driver
Frequency response range: 20Hz - 20kHz
Audio codec: AAC/SBC
Call noise cancellation: Dual-mic ENC call noise reduction
Bluetooth version: Bluetooth 5.3
Effective Bluetooth range: 10m
Battery capacity: 50mAh(earphones)/470mAh(charging case)
Music play time (AAC, default setting, 50% volume)*: 9h (single charge)/40h (with charging case)
Cable charge time: 2h (earphones)/2h (charging case)
Charging port: USB Type-C
Wireless charging: Wireless charging supported
Water resistance - earphone: IPX8
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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