The calorie watch is the first and only watch that can calculate your heart rate and calories burned while exercising without the need of a chest strap. The pulse watch features daily alarm and hourly chime chronograph stopwatch with split lap time exercise counter with automatic and manual override calories counter input age sex weight heart rate zone indicator and external pulse mode for determining heart rate at any time. The pulse watch can allow you to measure heart rate for fitness training walking hiking or even at home or office with no limit on any dressing. No chest strap required. - Color: Black + Silver - Rubber band material - Displays current time/date - Features calendar / alarm / hourly chime / stopwatch - Measures the heart rate and calorie burned while exercising - Powered by 1*CR2032 battery (included) - Band length: 24cm - English user manual included