Smartwatch with Black Band

Y13 Smartwatch (also referred to as the GT20 or GT21 model), a budget-friendly fitness tracker designed for both Android and iOS devices. It features a large 1.69-inch or 2-inch HD touch screen with a zinc alloy body and a silicone or stainless steel strap.   Key specifications and features include: Health Monitoring: Includes 24-hour heart rate monitoring, blood pressure and blood oxygen measurement, and sleep tracking .  Fitness Tracking: Tracks daily activities such as step count, distance, and calories burned with multiple dedicated sports modes for activities like running, cycling, and basketball.   Connectivity: Supports Bluetooth calls, message push notifications, and voice assistant integration (e.g., Siri).  Durability and Battery: Rated with IP67 water resistance and equipped with a 280mAh battery that supports magnetic charging.