GPS accuracy may be affected by weather, atmosphere, and other obstructions such as buildings and tall trees. Requires Galaxy smartphone with Android 8.0 or later, 1.5GB RAM or more. Requires the latest version of the Samsung Health app (version 6.22 or later) for sleep pattern results; user must wear watch while they sleep for at least 7 nights and complete a survey. The Samsung BIA is a body analyzer that uses bioelectrical impedance analysis (BIA) technology to track body composition based on weight, body fat, body mass index (BMI), skeletal muscle, body water, and basal metabolic rate (BMR) measurements. It is not intended to specifically diagnose or treat a medical condition. Requires the latest version of the Samsung Health app (version 6.22 or later). The heart rate software functions are not intended for use in the diagnosis of disease or other conditions, or in the cure, mitigation, treatment or prevention of disease. Requires Galaxy smartphone with Android 8.0 or later, 1.5GB RAM or more and the latest version of the Samsung Health Monitor app (available only at the Samsung Galaxy app store). Water resistant up to 50 meters per ISO standard 22810:2010. Not intended for scuba diving. Avoid excessive, sudden temperature changes and high-velocity activities. Rinse in fresh water / dry after use in seawater or chlorinated water. Consistent with IPX8 rating, water resistant in up to 5 feet of water for up to 30 minutes. As compared to all watches in Galaxy Watch4 Series.

Product Dimensions:

5.00 x 7.00 x 0.50 in

0.60 lbs

Shipping Dimensions:

1.90 x 1.90 x 0.70 in