This is a Garmin vivofit2. It's light and very easy to use. It's convenient because it doesn't need to be charged. The battery is new. The back part is in poor condition, as shown in the photo. The band broke, so it's not the original, but it has been replaced with a new one. Please understand that this is a used item, as the condition is as shown in the photos. No claims or returns accepted. I will send it after a master reset, so please reconfigure it from the Garmin app.