The One device on The Human Upgrade with Dave Asprey

That's why I use the One device. It combines light and sound in a wearable. It sends gentle signals your body can respond to while you work, meditate, or wind down. Most wearables just track stress. The One device supports your nervous system directly without any Bluetooth or EMFs. People who wear it report sleeping more deeply and feeling calmer, more focused, energized, and grounded. It's wearable frequency support you can use all day long. Learn more at theonedevice.com slash Dave.