Band Material: Stainless Steel Network: Unlocked Brand: Samsung Series: Samsung Galaxy Watch Case Material: Silver Case Size: 46 mm Manufacturer Band Color: Black Compatible Operating System: Android, iOS - Apple Storage Capacity: 4 GB Operating System: Apple Watch OS Features: Bluetooth Enabled, Camera, Caller ID, Air Gesture, Blood Pressure Monitor, 4G Data Capable MPN: SMR805UZSAXAR Band Color: Black UPC: 0887276274577