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What's in the package?
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How to charge the Earbuds?
There is an LED digital display on the charging box, you can view the current power in real time
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How to turn on and off the F9 Bluetooth headset
Can be placed in the charging compartment or manually turned on and off
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How to connect this bluetooth earbuds?
The initial Bluetooth name of this earbud is "F9"
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Earbuds touch operation
The left and right earbuds have different functions
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Solutions for the difference in volume or no sound between the left and right ears of the Bluetooth headset
Check the audio source or phone settings
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Two "F9" appear during the Bluetooth pairing connection, and there is no sound in a single headset solution
TWS is not connected successfully, the headset needs to be reconnected to TWS, and then the Bluetooth headset and the mobile phone are paired and connected again
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How to use one earphone alone or two earphones separately?
After canceling the TWS connection, you can use a headset alone or connect two different mobile phones.
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Parameter
Bluetooth version: 5.1
Support protocol: Support HFP 1.7, HSP 1.2, A2DP 1, AVRCP 1.6, SPP 1.2 and PBAP 1.0
Talk time: about 3-4H (single use at full charge)
Listening time: about 3-4H (single use at full power)
Charging time: about 1H
Matters needing attention
1. Do not drop, hit, scratch, twist, beat, crush, or put the Bluetooth headset into water;
2. When using Bluetooth headsets, please keep them away from magnets, electrical appliances and speakers;
3. Try to avoid placing the Bluetooth headset in extreme temperatures (the working environment temperature range is -10°C—45°C);
4. Avoid exposing the Bluetooth headset to a humid environment;