Zuosheng Ultralight Fitness Tracker Smart Wristband with Heart Rate/Blood Oxygen/Sleep Monitor/Pedometer,Slim Smartwatch for Android iPhone,Activity Tracker,2 Band,Black Smartwatch  (0 Strap, 0)

Stylish Look & Interchangeable Straps Features a trendy appearance and comes with magnetic strap and silicone strap. You can switch them freely to match different outfits and styles. 24/7 Full Health Tracking Built-in high-precision optical sensor monitors real-time heart rate, blood oxygen and stress levels. It also tracks sleep cycles including awake, light and deep sleep for comprehensive sleep analysis. 12 Sports Modes & Daily Waterproof Supports 12 sports modes like running, cycling, swimming and hiking to meet various workout demands. Daily waterproof design withstands hand washing, rain and sweat. Fast Charging & Long Battery Life Adopts magnetic charging design. Fully charges in 2 hours, delivers 5-7 days of daily use and 15-20 days on long standby. Ultra-Light & Comfortable to Wear Weighs only 16.5g for all-day comfort. Zinc alloy bezel delivers exquisite texture, combining style and practicality perfectly. Ideal Gift Choice Elegant design and rich functions make it a wonderful gift for birthdays, anniversaries and other special occasions for your family and friends.