1
Smart ring maker Oura files to go public
智能戒指市场领军者Oura提交IPO申请，用户已售550万枚，健康追踪赛道再掀波澜。
The Finnish company said in September that it has sold 5.5 million smart rings to date.
智能戒指市场领军者Oura提交IPO申请，用户已售550万枚，健康追踪赛道再掀波澜。
The Finnish company said in September that it has sold 5.5 million smart rings to date.