Fitness + sleep monitor

Brand new never been used! Product Details Compatibility: Android™ 5.0+, iOS 10.0+ Functions: Activity Tracker, Notifications, Sleep Tracker, Swimproof Sensors: Accelerometer Battery Life: Up to 4 months ** Based on usage** Case Color: Rose Gold Case Material: Aluminum Case Thickness: 12MM Case Size: 38MM Strap Fashion Color: Carbon Black Strap Material: Polyurethane Strap Width: 10MM Water Resistance: 5 ATM