Builtin 8 preprogrammed fat burning training modes including MIIT, HIIT and FGB, designed to streamline interval workouts and improve workout time management. 1500mAh rechargeable battery provides reliable power for extended training sessions between charges. Ultrabright LED display with a buzzer reminder offers clear, easytoread time and audible alerts during workouts. Versatile timekeeping and interval tools: supports 12/24hour clock, stopwatch, countdown, count up. Use during gym or home workouts to structure rounds and rest periods with predefined modes and audible cues, helping maintain intensity and pacing. Use in training or coaching settings to guide clients through standardized interval protocols with precise timing and clear alerts. Use in circuit or daily workout routines to track elapsed time, manage rest breaks.