Number of Batteries: 1 Included: 1 Watch(es) Features: Digital, Multi-Function, Comfort, Alarm, Batteries Included, Quick Ship Battery Type: Lithium Ion Jewelry Closure: Buckle Power Source: Battery (included) Tech Compatibility: Apple Ios, Android Tracking Capability: Time, Distance, Steps, Heart Rate Watch Movement: Smart Watch Band Color: Gray Dial Color: Black Case Width: 44mm Watch Band Length: 9 1/2 Inch Band Content: Silicone Case Materials: 100% Plastic Band Width: 18mm 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.