From the Manufacturer…
Omron's most advanced pedometer can be used anywhere at any angle -- in your pocket, bag or on your hip. The HJ-303 is an ideal motivational tool for fitness enthusiasts on the go and those interested in improving and maintaining health.
Tri-axis acceleration sensor counts steps when used flat, horizontally and vertically
Counts every step quietly and accurately
Measures steps, moderate steps and minutes, distance
Calculates calories burned Stores 7 days of information in memory
Resets automatically at midnight so it's ready to go every morning
Includes: clock, lithium battery, holder, strap and clip 1 year limited warranty