Bellabeat LEAF brings a new level of quality to your life. The health-tracking technology connects your body and mind, allowing you to reach your full potential. Track your daily activity, sleep, mindfulness and menstrual cycles. LEAF collects your data while you wear it and, when you're ready to take a look at your results, it wirelessly syncs with the LEAF app via Bluetooth. The app is available for iOS and Android. LEAF is made of highest quality hypoallergenic stainless steel, which is both skin-friendly and durable, and beautiful African Blackwood (Rose Gold) or American Ashwood (Silver).