You can leave your phone behind and still be connected with the Apple Watch Series 3. This smartwatch features a 38mm aluminum case in gray. The lightweight, black sport band is made of fluoroelastomer. The watch features Wi-Fi and Bluetooth connectivity and has a built-in GPS, accelerometer, gyroscope, and heart rate sensor. Water resistant up to 50 meters, this is the perfect companion for indoor exercise and outdoor activity. You'll also enjoy its wireless charging.