Yes, it's possible.

Please delete the existing pairings of the Solitaire T PRO and the phone completely and then pair them again.

Solitaire T PRO: Turn on the Solitaire T PRO and then move the BT slide switch on the right ear cup upwards and hold it in this position for at least 5 seconds.

Phone: In Settings/Bluetooth delete all entries regarding "Solitaire T PRO".

After that, activate the pairing mode of the Solitaire T PRO ( move the BT slide switch on the right ear cup upwards for approx. 2s until the BT LED flashes blue) and start the Solitaire T Companion App on the phone.

Impedance: 64 ohms

Sensitivity: 106 dB @ 1V / 1kHz