Samsung Galaxy Watch 3 4G Smartwatch (Black Strap, 45mm)

Exynos 91105ATM + IP68Accelerometer, Barometer, Gyro Sensor, Light Sensor, Optical Heart Rate Sensor, Electrical Heart Sensor360 x 360Super AMOLEDMystic Black, Mystic Bronze, Mystic Silver45mmAndroid 5.0 or later and with more than 1.5GB of RAM, iPhone 5 or later models with iOS 9.0 or later1MB