Simple and lightweight smart fitness band with OLED display. Tracks daily activity and sleep, with Bluetooth syncing for Android and iPhone devices. Comfortable adjustable wrist strap and IP67 water resistance for everyday use. Features: Step/pedometer tracking Sleep monitoring OLED screen display Bluetooth sync with smartphone Call/message reminders with vibration alerts USB charging IP67 water resistant Adjustable silicone band Compatibility: Android 4.3 or above iOS 7.0 or above Condition: Brand new in it's original box with guide book. Great budget fitness tracker for basic activity monitoring.