Basis Peak Fitness and Sleep Tracker

Track caloric burn, steps and more while automatically capturing walks, runs and rides.
Capture your heart rate 24/7, even during aerobic exercise, with no chest strap required.
Automatically track sleep duration, REM/Deep stages, restlessness, quality and more.
Get notifications for texts, calls, emails, calendar events and habit alerts right on your wrist.
iPhone 4S or newer and select Android BLE phones. Check for compatibility.