Shakur’s ring is set to catch between $200,000 USD and $300,000 USD. Sotheby’s online auction for the ring is set to be open from July 18-25.

The ring is expected to fetch between $200,000 and $300,000 at auction. The online auction is open from July 18-25, and there will be a public exhibition on display at Sotheby’s New York from ...

The ring weighs just four grams (0.14 ounces), but can read heart rate, respiratory rate and temperature to tell users if they're stressed or sick. It can supposedly measure heart rate more ...