Lifesense Band 2S Fitness Tracker, IP67 Waterproof

24/7 Heart Rate Tracking
• All-Day activity track: Track steps, distance, calories burned
• Auto sleep tracking
• Calling reminder
• Water proof: IP67
• Raise to wake
• Battery life time: 5days( with tracking heart rate) 30days (without tracking heart rate)
• Direct recharge via USB
• Smartphone notifications