Bellabeat Leaf Nature Smart Jewelry Health Tracker Bellabeat Leaf products include a coin cell battery that lasts for approximately 6 months. No need to charge so you can track 24 hours a day Package includes: Leaf Rose Gold Edition, Double Wrap Bracelet | Terra Rose Gold S/M, Necklace Classic/Rose Gold and Battery Replacement Tool. Leaf works with both Android & iOS Splash proof natural wood & hypoallergenic stainless steel clip / 1 year warranty Tracks your steps, distance moved, calories burned, sleep patterns, reproductive health, menstrual cycle and stress Wakes you gently in the morning and reminds you to stay active with inactivity alarm. Easily connect with Apple Health or Google Fit and measurements are 1.9 inch H x 1.2 inch W x 0.5 inch D