https://www.softwarecpr.com/2023/07/14276/
Warning Letter: ZYTO Hand Cradle Not Approved for Premarket Approval - SoftwareCPR
Jun 16, 2025 - ZYTO Technologies, Inc. was issued a warning letter from the FDA for reason "your firm is promoting the ZYTO Hand Cradle GSR and associated proprietary
zyto hand cradlewarning letter