TECHTRONIX EDGE T800 Boost Ultra Smartwatch – HD Display, Bluetooth Calling, Fitness & Smart Features Product Description: Step into the future with the TECHTRONIX EDGE T800 Boost Ultra Smartwatch, designed to keep you connected, active, and in control — all from your wrist. Featuring a stunning HD display with a sleek UI, this smartwatch supports Bluetooth calling, allowing you to make and receive calls directly from your watch.