Samsung Gear S2

Samsung Gear S2
Samsung Gear S2 Classic
DeveloperSamsung Electronics
ManufacturerSamsung Electronics
Product familySamsung Gear
TypeSmartwatch
Release dateOctober 2, 2015 (US)
Operating systemTizen
CPUQualcomm Snapdragon 400 dual-core (3G version)
Exynos dual-core (WiFi-only version)
Memory512 MB
Storage4 GB
Display1.2" Super AMOLED, 360 x 360 pixels
InputCapacitive touch
Pedometer (9-axis sensor)
PPG heart rate monitor
Dual microphones
Ambient light sensor
WiFi 802.11 b/g/n
Bluetooth LE
Power250 mAh, Qi inductive coil wireless charging
Online servicesSamsung Pay
Dimensions49.8 x 42.3 x 11.4 mm (Gear S2 WiFi-only)
43.6 x 39.9 x 11.4 mm (Gear S2 Classic)
51.8 x 44 x 13.4 mm (2.04 x 1.73 x 0.53 in) (Gear S2 3G)
Weight47g (Gear S2 WiFi-only)
42g (Gear S2 Classic)
51g (Gear S2 3G)
PredecessorSamsung Gear S
SuccessorSamsung Gear S3

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.