About this item: 
STYLE YOU CAN COUNT ON: Galaxy Watch3 combines style—two sizes, two finishes, three colors and, 50,000 plus¹ watch faces-with military-grade durability² and water resistance³. 
LEAVE YOUR PHONE BEHND: Galaxy Watch3 gives you the freedom to call, text, stream music and get notifications via Bluetooth connectivity. 
HOLISTIC HEALTH MONITORING: Use your Galaxy watch to record ECG for 30 seconds similar to a standard single-lead ECG. ⁴(All ECG functionality requires ca compatible Galaxy smartphone. ⁴) The ECG Monitor app will also check the recording for signs of Atrial Fibrillation— a common form of irregular heart rhythm. ⁴Youcan share the PDF report of your ECG recording with your healthcare provider using the Samsung Health Monitor app on your compatible Galaxy phone. 
BATTERY BUILT FOR ENDURANCE: The Galaxy Watch3’s long-lasting battery can go for more than a day on a single charge, and you can always get a quick boost from your compatible Galaxy phone with Wireless Power Share⁶. 
STRONGER INSIGHTS. NEXT-LEVEL FITNESS: Spend your time moving while Galaxy Watch3 tracks seven popular activities automatically. Get more out of each movement thanks to built-in run coaching⁷. 
LEVEL UP YOUR DOWNTIME: Galaxy Watch3’s automatic sleep tracker offers insights on how to get a better night’s sleep. It also monitors your stress level and helps you recenter with breathing guides. 
SMART WATCH. SMART LIFE: Integrated Bixby voice functionality⁸ can read your texts, make a call,or initiate coaching on command and ohe go. Samsung Pay⁹ lets you leave home without a wallet. And a multilayered defense-grade security platform keeps all your data safe. 
ANDROID/iOS COMPATIBLE: Pairs seamlessly with Android devices and sselectsiOS devices¹⁰.
¹Supported on both Android and IOS. ²Thisdevice passed military specification (MIL-STD-810G) testing against a subset of 10 specific conditions, Including drops from 4.9 feet, extreme temperatures, dust, shock/vibration, and low pressure/high altitude. ³Water-resistant up to 50 meters per ISO standard 22810:210. Not intended for scuba diving. Avoid excessive, sudden temperature changes and high-velocity activities. Rinse in fresh water/dry after use in sseawateror chlorinated water. ⁴Requires Samsung Galaxy smartphone with Android 7 or later, and Samsung Health Monitor app (available only at the Samsung Galaxy app store). ⁵45mm version lasts longer (56 hours) than 4the 1mm version (43 hours). Average expected performance based on typical use. Results may vary. ⁶Works with QQI-compatibleSamsung devices (compatibility with non-Samsung QI devices not guaranteed); speed and power efficiency of charge varies by device. ⁷This device and related software are not intended for use in the diagnosis of disease or other conditions, or in the cure, mitigation, treatment ,or prevention of disease. ⁸MostBixby voice functionality requires Lan TE or Bluetooth connection to a phone. LThe TE version requires ian nitial setup for standalone use. ⁹Samsung Pay is not available on iOS smartphones. After initial setup, Samsung Pay on Galaxy Watch3 can make at least five transactions without reconnecting to a network. Samsung Pay on Galaxy Watch3 requires na etwork connection through LTE or Wi-Fi or via Bluetooth pairing with ca ompatible smartphone. Samsung Pay on the Galaxy Watch3 is only compatible with select cards, carriers aamsung devices ,and non-Samsung Android phones. Samsung Pay on the Galaxy Watch3 is compatible only with NFC-type payment terminals. ¹⁰Compatible with select Bluetooth-capable smartphones. Galaxy Watch3-supported features may vary by carrier and compatible device.