The ID208 smartwatch, often branded as Tensky, features built-in Amazon Alexa for voice control and Bluetooth calling, allowing for hands-free interaction, as seen on Amazon Live . It provides 24/7 health tracking, including heart rate, SpO2, and sleep analysis, all displayed on a 1.7-inch HD screen. For more details, watch the Tensky ID208 Smartwatch Review! or the Tensky ID208 BT Smartwatch Unboxing and Setup .