This is a Samsung Gear S3 Classic Smartwatch with Bluetooth connection and stainless steel. It's used but it is in perfect working condition, no scratches, the bezel turns smoothly, and perfectly detects heartbeat and sleep. The battery lasts up to 2 to 3 days and charging only takes an hour and a half. It comes with a wireless charger, charger cord, and charger block. The watch straps are detachable so you can replace them with other colored bands that can be bigger or smaller depending on the size of your wrist. It is a bluetooth connection so you can easily connect it to your phone and track your steps, water intake, coffee intake, all different types of workouts, sleep, and heartbeat. You can also play music from the watch using spotify or your phones music app and you can pair your galaxy buds with the watch also. This watch can answer calls and text messages, it has a mic and audio detection on it so you can answer your phone without having to pick it up. You can pick which notifications you'd like to receive on the watch and at what times you'd like your watch to receive notifications. You can also set alarms, find your phone, and download other apps on the watch.