Samsung Galaxy Watch Active 2

The Samsung Galaxy Watch Active 2 (stylized as Samsung Galaxy Watch Active2) is a smartwatch developed by Samsung Electronics, running the Tizen operating system. Announced on 5 August 2019, the Active 2 was scheduled for availability in the United States starting on 23 September 2019.
The Active 2 was released in two sizes, 40 mm or 44 mm, and two connectivity formats, either Bluetooth or LTE capability. The LTE version functions as a standalone phone and allows a user to call, text, pay, and stream music or video without a nearby smartphone.
Samsung announced as part of the move to move from Tizen OS to Wear OS by Google starting from August 2022. The Watch Active 2 will stop receiving software and security updates, while the Watch 3 will stop receiving software updates in 2023.
== Specifications ==
Model 	Galaxy Watch Active 2 	Galaxy Watch Active 2 	Source	Size	40 mm	44 mm	
Colors 	Silver, Black, Gold 	Silver, Black, Gold 	 	 	 	 	
Display 	1.2-inch (30 mm) 	1.4-inch (34 mm) 	 	 	 	 	
Resolution 	360 x 360 pixels 	360 x 360 pixels 	 	 	 	 	
Part No. 	SM-R830 	SM-R820 	 	 	 	 	
Glass 	Corning Gorilla Glass DX+ 	Corning Gorilla Glass DX+ 	 	 	 	 	
Processor 	Exynos 9110 dual core 1.15 GHz 	Exynos 9110 dual core 1.15 GHz 	 	 	 	 	
Operating System 	Tizen (OS 4.0) 	Tizen (OS 4.0) 	 	 	 	 	
Size 	40 mm x 40 mm x 10.9 mm 	44 mm x 44 mm x 10.9 mm 	 	 	 	 	
Weight (without strap)	26 g 	30 g 	 	 	 	 	
Strap Size 	20 mm 	20 mm 	 	 	 	 	
Water Resistance 	5 ATM + IP68 	5 ATM + IP68 	 	 	 	 	
Memory 	LTE version: 1.5 GiB RAM + 4 GiB flash memory 	LTE version: 1.5 GiB RAM + 4 GiB flash memory 	 	 	 	 	
Memory 	Bluetooth version: 768 MiB RAM + 4 GiB flash memory	Bluetooth version: 768 MiB RAM + 4 GiB flash memory	 	 	 	 	
Connectivity 	
* 3G/LTE with eSIM (Galaxy Watch LTE-Version only, R825 and R835)
* Bluetooth 5.0
* Wi-Fi b/g/n
* NFC
* A-GPS, GLONASS	
* 3G/LTE with eSIM (Galaxy Watch LTE-Version only, R825 and R835)
* Bluetooth 5.0
* Wi-Fi b/g/n
* NFC
* A-GPS, GLONASS	 	 	 	 	
Sensors 	
* MEMS Accelerometer
* MEMS Gyroscope
* MEMS Barometer
* Electro-optical sensor (for heart rate monitoring)
* Electrocardiogram ECG (for heart rate monitoring)
* Photodetector (for ambient light)	
* MEMS Accelerometer
* MEMS Gyroscope
* MEMS Barometer
* Electro-optical sensor (for heart rate monitoring)
* Electrocardiogram ECG (for heart rate monitoring)
* Photodetector (for ambient light)	 	 	 	 	
Battery 	247 mAh 	340 mAh