I call BS, Venu X1 has the Elevate V5 sensor and a screen while being very thin. The only reason i would believe they used V4 is to increase their profit margin.
Garmin CIRQA has been available for order since Friday, but delivery times are already experiencing delays. The launch appears to be a complete success. Garmin is now commenting in an interview on whether CIRQA should be worn with a smartwatch, as well as on the older sensor and the design.