The Samsung Gear S2 is a smartwatch developed by Samsung Electronics running Samsung's Tizen operating system. It was unveiled at IFA in 2015.
The Gear S2 was the first device to use eSIM technology. Its successor, the Samsung Gear S3, was released on November 18, 2016.
Overview The watch features a rotating bezel user interface and an IP68 rating for water resistance up to 1.5 meters deep in 30 minutes. It is compatible with 20mm width watch straps. It has a Super AMOLED display with a resolution of 360 x 360 pixels and a screen size of 1.2 inches. The watch has a dual-core Exynos processor running at 1 GHz. Samsung Pay can be used through NFC payment terminals.
Comparison of models Model Gear S2 (WiFi-only) Gear S2 Classic Gear S2 (3G) Display 1.2" circular Super AMOLED, 360 x 360 pixels, 302 dpi Dimensions 49.8 x 42.3 x 11.4 mm 43.6 x 39.9 x 11.4 mm 51.8 x 44 x 13.4 mm Standalone cellular colspan="2" style="text-align: center;" style="text-align: center;" Input Capacitive touchPedometer (9-axis sensor)PPG heart rate monitorDual microphonesAmbient light sensorWiFi 802.11 b/g/nBluetooth LESpeaker (3G variant only) Processor Exynos 1 GHz dual-core ARM Cortex-A7 Qualcomm Snapdragon 400 1.2 GHz dual-core ARM Cortex-A7 Storage and RAM 4 GB internal storage, 512 MB RAM Band type Fluoroelastomer Leather Fluoroelastomer Battery 250 mAh 3.8v battery 300 mAh 3.8v battery
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