Smartwatch, Fitbit, almost new, simple use. Everything in it works 100%. The charger is included and works. • Tracks steps and distance • Tracks calories burned • Tracks active minutes • Automatically tracks sleep • Analyzes sleep stages: light, deep, and REM • Automatic exercise recognition SmartTrack • Call, message, and calendar alerts • Hourly movement reminders • Silent vibration alarm • OLED screen • Battery up to 7 days • Interchangeable bands • Syncs with the Fitbit app • Slim, lightweight design suitable for daily use Note: Water and sweat resistant, but not intended for swimming or showering.