3 ms·

Yes, not e-ink. But it has a heart rate monitor.

• anotheryou 6y ago
  definitely not. And in the dev kit the halves are not even glued together yet :)
  • wavefunction 6y ago
    They're intentionally not glued together so devs can dev. Seems reasonable.
    • anotheryou 6y ago
      Totally :) Just different to the arduino one.