Samsung Watches 1.Samsung Galaxy Smartwatch 46 MM(Silver) Brand Samsung Series Galaxy Color Silver Item Weight 408 g Package Dimensions 18.5 x 18.3 x 8.1 cm Batteries: 1 Lithium ion batteries required. (included) Item model number SM-R800NZSAINU Wireless Type Bluetooth Operating System Tizen Based Wearable OS 4.0 Lithium Battery Energy Content 24 Watt Hours Lithium battery Weight 18 Grams Number of Lithium Ion Cells 1 Number of Lithium Metal Cells 1 Included Components Smartwatch, Charging Dock, Travel Adapter, Strap and Quick Setting Guide Warranty & Support Warranty Details:  1 year warranty provided by the manufacturer from date of purchase Pros: Swim ready - water resistant up to 50 m (5 ATM) Samsung Health app Check physical location and map routes with built-in GPS Track exercise time, calories burned, heart rate, distance and pace Battery lasts over 80 hours on Bluetooth mode and 24 hours with GPS on