Prophetic is developing a consumer headband that uses transcranial focused ultrasound (tFUS) steered at millimeter precision over the prefrontal cortex, combined with EEG and a 'neural Transformer' trained on a large fMRI/EEG lucid-dream dataset (Donders Institute). The system detects REM via EEG, then reproduces neural firing patterns with tFUS; pilot metrics report average ~65% accuracy (best 1.0) and a target of ~95% pre-launch. Battery life is 8+ hours.