Samsung Galaxy Watch SM-R815U 42mm Bluetooth + 4G LTE Unlocked Midnight Black 887276274584 | eBay
Amazon.com: Smart Watch with Earbuds, 2 in-1 Smart Watch for iPhone Compatible, Blood Pressure Watch Pro for Men, IP X7 Waterproof Fitness Tracker MP3,Voice Recorder, Heart Rate Sleep Monitor, Long Time Standby :
Pair Your Samsung Galaxy Watch to iPhone (Easy Step by Step) - YouTube
Can You Use Galaxy Watch With iPhone? An In-Depth Compatibility Test - TechWiser