# Pieces In Set: 2 Number of Batteries: 1 Included: 1 Watch(es) Features: Heart Rate Monitor, Batteries Included, App Download Required, Backlight Display, Customizable Watch Faces, Sleep Tracker, Date Function, Bluetooth Compatible, Pedometer, Receives Calls, Water Resistant, Smartphone Compatible, Alarm, Stopwatch, Rechargeable, Touch Screen Enabled, On Watch Workout, App Notifications, Receives Texts, Quick Ship Battery Type: Lithium Ion, Rechargeable Jewelry Closure: Buckle Power Source: Battery (included) Tech Compatibility: Android, Apple Ios Tracking Capability: Heart Rate, Activity Tracking, Steps, Distance, Time, Calories Burned Watch Movement: Smart Watch Band Color: Multicolor Dial Color: Multi-Color Metal Color: Black Case Thickness: 10mm Case Width: 34.1mm Watch Band Length: 9 1/2 Inch Band Content: Silicone Band Width: 20mm Care: Wipe Clean Country of Origin: Imported Quick Ship items ship directly from the manufacturer within 3 to 5 business days. Photos are enlarged to show detail.