【 Calm Down at 528Hz 】 Each whistle is tuned to 528Hz and combined with deep breathing to effectively reduce stress and achieve a more peaceful state.
【3-STEP CALM SYSTEM】Blow the whistle → Sync with 4-7-8 breathing (in the product manual) → Repeat affirmations for 1-minute anxiety relief. Designed by sound therapists(DR Andrew Weil).
【WEARABLE & INSTANT ACCESS】Detachable from the necklace for on-the-go use. Perfect for panic attacks, meditation, or sleepless nights.
【SAFE & LASTING】Made of music-grade brass (CuZn37), the same alloy used for professional wind instruments, with a chrome-plated surface, it achieves the best resonance while being more skin-friendly.
