Tranya D16 Smartwatch® Fitness for Female and Male, Supports Bluetooth Calling, 24/7 Heart Rate Monitoring, Blood Oxygen Monitoring, Sleep and Step Tracking, 100 Sports Modes, IP68 Waterproof Fitness Tracker, Compatible with Android and iOS Systems

This device features a fingerprint-resistant 1.83-inch touchscreen and tracks over 100 sports modes for health monitoring. It offers up to 6-10 days of battery life and is IP68 rated for dust and water resistance.

• The description claims that the device improves sleep patterns and overall health with precise sleep and nap tracking.
• The description claims that the device provides up to 6-10 days of battery life.