Features: Multi-Function, Water Resistant, Caller Id, Backlight Display, Rechargeable Battery, Heart Rate Monitor, Adjustable, Gps, Pedometer, Bluetooth Compatible, Alarm, Smartphone Compatible, Date Function, Sends Texts, Receives Calls, Receives Texts, Sends E-Mail Metal Color: Grey Band Content: Silicon Band Color: Black Band Width: 22mm Watch Movement: Smart Watch Number of Batteries: 1 Watch Band Length: 8 Inch Case Width: 46mm Case Thickness: 12.9mm Battery Type: Rechargeable Jewelry Closure: Buckle Power Source: Battery included Included: 2 Wristbands Tech Compatibility: Apple IOS, Android Tracking Capability: Steps, Calories Burned, Floors Climbed, Sleep Quality Care: Wipe with Dry Cloth Country of Origin: Imported Model No: SM-R760NDAAXAR