Overview
- The Lumia Core earring back houses optical and other health sensors with a processor and battery, attaching to Lumia fronts or most push‑back earrings via the SwitchBack mechanism.
- Swappable battery packs deliver 5–8 days per pack for continuous wear, with a lightweight, non‑allergenic build and a cuff version for non‑pierced users.
- Reservations opened in the United States and Canada as the device promotes real‑time insights on energy, focus, and brain fog from head blood‑flow signals.
- Pricing starts at $249 for the hardware with a $9.99 monthly membership, and features include sleep, temperature, cycle, and readiness tracking.
- Lumia reported $7 million in new investment and $5.1 million in government contracts and grants, bringing total funding to $17.2 million.