Oura launches Ring 5, world’s smallest smart ring, as it heads towards IPO
Oura launches Ring 5, world’s smallest smart ring, as it heads towards IPO
www.theguardian.com
Oura launches Ring 5, world’s smallest smart ring, as it heads towards IPO
Finnish-US startup has sold 5.5m rings worldwide since it was founded in 2013 and is valued at $11bn
