This new smart watch by Mastat, model T60, features a 1.91" case size with a silicone band material. It includes a heart rate monitor, sleep monitor, and activity tracker, making it a versatile device for monitoring health and fitness. Compatible with iOS and Android operating systems, this smart watch offers a range of functionalities to help users track their daily activities and overall well-being. Perfect for those looking for a stylish and practical accessory to stay connected and informed on the go.