1. 2 in 1 design, smart watch + phone, professional bluetooth sports bracelet. 2. Vogue appearance, extreme thin. 1.54 inch HD screen, high sensitive capacitive touch screen, precision laminating process. 3. Nanometer material strap TPU85 degrees, moisture-wicking frosted surface treatment, acme ergonomic concave and convex design, wearing more comfortable. 4. Primary drawing stainless steel surface, prevent sweat and hard surface processing. 5. Ultrasonic sound cavity closed aluminum film,