Question 1

Why is my microphone not transmitting my voice during Bluetooth calls?

Accepted Answer

The TaoTronics TTSK09 does have a built-in microphone and supports Bluetooth calls via HFP (Hands-Free Profile) and HSP (Headset Profile). If your voice is not heard during calls, it is generally not an incompatibility issue, but rather a configuration or connection problem.

Points to check first:

Bluetooth reconnection: The TTSK09 automatically reconnects to the last paired device. If the call started before the reconnection was complete, the microphone may not be active. Manually disconnect and reconnect via Bluetooth, then restart the call.
Call management via the multifunction button: According to the manual, you need to press the multifunction button to answer the call. Ensure this action is performed before speaking - simply accepting the call on the phone is not always sufficient.
Bluetooth range: The TTSK09 has a range of 10 meters. If you are at the edge of this range, the microphone quality may be degraded. Move closer to your phone.
Complete reset: Turn off the TTSK09 completely and restart it, then re-pair it with your phone. A simple reconnection may leave old settings active.

If the problem persists after these checks, it may be a hardware failure of the microphone itself. In this case, we recommend contacting TaoTronics support with the model number TTSK09.

Question 2

Is the TaoTronics TTSK09 compatible with LINE calls?

Accepted Answer

The manual for the TaoTronics TTSK09 does not mention specific compatibility with LINE. However, this speaker is equipped with a microphone and supports Bluetooth protocols HFP (Hands-Free Profile) and HSP (Headset Profile), which allow for voice calls.

In theory, if you pair your smartphone with the TTSK09 via Bluetooth, LINE calls could work since the app would use your phone's standard Bluetooth connection. The speaker offers full call controls:

Press the multifunction button to answer a call
Press and hold for 1 second to reject a call
Press twice to redial the last number

For guaranteed compatibility with LINE, we recommend testing with your device or contacting TaoTronics support directly.

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