We vetted record-low Prime Day deals on 9 major products: Sony WH-1000XM5, Oura Ring 4, Ninja Slushi

A few top products at record-low prices for Prime Day Apple Watch Series 11 (42 mm, GPS) $279.00 at Walmart (save $120) Get Deal Sony WH-1000XM5 $198.00 at Amazon (save $201.

99) Get Deal Amazon Kindle Paperwhite (2024) $124.99 at Amazon (save $35) Get Deal Dreame X60 Max Ultra Complete $1,599.99 at Amazon (save $355) Get Deal What makes a "good" Prime Day deal can get pretty subjective.

Are we going off of the recency of an item's release? Its position on the scale of niche to universally usable? The frequency that an item goes on sale at all?

Probably a mix of all three. One foolproof way to find the best Prime Day deals is to look at pricing history: If an item has never been cheaper than it is right now, that's inarguably a good Prime Day deal.With the help of trusty Amazon price tracker camelcamelcamel, we're vetting the best Prime Day deals from big brands like Apple, Sony, Oura, and Amazon itself to bring you a list of the most popular products that are actually at record-low prices.

Some are prices we've only ever seen during Black Friday, some beat what we saw during Black Friday — all are at risk of disappearing before the end of Prime Day on June 26.Fun fact: 2026 is the first Prime Day season that we have a Walmart version of camelcamelcamel. Use camelmart to compare Walmart price history during its Summer Deals event, live now through June 28.

Oura Ring 4 Oura Ring 4 $349 at Amazon Get Deal at Amazon Read Mashable's full review of the Oura Ring 4.The new Oura Ring 5 was released just in time for Prime Day, but it's not on sale. Instead, we want to direct your attention to our reigning pick for the best smart ring: The Oura Ring 4.

The silver version has dropped to a new record-low price of $214 at Amazon, down more than $130 from its original $349. That's followed by three other colors on sale for $226 and the gold option on sale for $259. Prime members can order the Oura Ring sizing kit for just $8.

49.The Oura Ring 4 is super slim and comfortable, and do