Number of Batteries: 1 Features: Customizable Watch Faces, Heart Rate Monitor, Smartphone Compatible, Bluetooth Compatible, Stopwatch, Wear Resistant, App Download Required, Touch Screen Enabled, Receives Calls, Batteries Included, On Watch Workout, Receives Texts, Backlight Display, App Notifications, Sleep Tracker, Alarm, Rechargeable, Date Function, Quick Ship Battery Type: Rechargeable Jewelry Closure: Buckle Power Source: Battery (included) Tech Compatibility: Android, Apple Ios Tracking Capability: Steps, Heart Rate, Activity Tracking, Calories Burned, Distance Watch Movement: Smart Watch Band Color: Pink Dial Color: Multi-Color Metal Color: Rose Tone Case Thickness: 10mm Case Width: 34.1mm Watch Band Length: 9 1/2 Inch Band Content: Silicone Case Materials: 100% Metal Alloy 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.