With Amazon Prime Day right around the corner, the deals are already rolling in, like the Oura Ring being up to $100 off, depending on the design you choose. The Stealth Horizon design is $350, standard colors are $300, and the gold option is $450. Prices also vary based on the rounded Horizon design or the blocky Heritage design. The Oura Ring is a smart wearable that tracks activity and sleep, providing a lightweight and portable option compared to other fitness trackers. It has over 20 biometric signals, precise pulse reading, and compatibility with popular fitness apps. Some features are behind a subscription paywall, costing $6 per month after the free initial month. This deal is for the third-gen model, with the fourth-gen officially releasing on October 15. Follow @EngadgetDeals on Twitter for more tech deals, and stay tuned to Engadget for the best tech deals on October Prime Day 2024.