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Connecting the System

When the BLUETOOTH device supports Qualcomm® TrueWireless™ Stereo Plus

Both L and R earphones connect to the BLUETOOTH device.

Pairing_support_XC90T_1 + Pairing support XC90T 1

Connect

Connect

When the BLUETOOTH device does not support Qualcomm® TrueWireless™ Stereo Plus

The L and R earphones work as the base and extension units respectively. The base unit connects to the BLUETOOTH device and the extension unit.

When L is the base unit and R is the extension unit

Pairing_support_XC90T_2 + Pairing support XC90T 2

Connect

Connect

Base unit

Extension unit

When R is the base unit and L is the extension unit

Pairing_support_XC90T_3 + Pairing support XC90T 3

Connect

Connect

Base unit

Extension unit

When pairing is first performed, L works as the base unit.

When power is turned on only for R and R is connected to the BLUETOOTH device, R works as the base unit.

When power is turned on for both L and R and the battery power of L is lower than R, R works as the base unit.

Depending on the device in use, the initial volume of the base unit changes when the base unit is different from the previous time.

To check whether your BLUETOOTH device supports Qualcomm® TrueWireless™ Stereo Plus, refer to the instruction manual of your device.