Used but in excellent working condition DetailsDetails Brand Fitbit Model Name pace Style Modern Color Black Screen Size 6.7 Inches Special Feature Heart Rate Monitor Shape Heart Target Audience Unisex Adult Age Range (Description) Adult Compatible Devices Smartphone PurePulse continuous, automatic wrist-based heart rate tracking to better measure calorie burn all day Maximize your workouts using simplified heart rate zones (Fat Burn, Cardio and Peak). Splash proof. Do not shower with the device or submerge it in water