Sleek Fitbit Inspire 3. Perfect for tracking health and fitness. Features: Black (band) Weight: .04 Pounds Placement: Wrist Water Resistance: Sweat-Resistant, Water-Resistant Product Model: Fitbit Inspire 3 Electronics Features: Stopwatch, Smartphone Compatible, Reminders to Move, Accelerometer, Text Notifications, Call Notifications, Touchscreen Display, Daily Alarms, App Notifications, Haptic Feedback Connection Type: USB Material: Watch Band: Silicone Includes: Charging Cable, Quick Start Guide, Wristband Operating System Compatibility: Apple iOS, Android Wireless Technology: Bluetooth Screen Size: .76 Inches Activities tracked: Pilates, Yoga, Cycling, Running, Dynamic Workout Activities, Hiking, Tennis, Elliptical Training, Martial Arts, Rowing, Golf, Walking, Mountain Biking, Swimming, Weights Maximum Battery Charge Life: 10 Days Metrics Measured: Sleep Stages, Active Minutes, Calories Burned, Sleep Duration, Sleep Quality, Trip Distance, Heart Rate, VO2 Max, Total Steps Material: Acrylate Copolymer, Nickel Open box, but unused