I would appreciate it if you understand that this is a used item (^^) I've only used it for about two weeks. I will ship it without the box, but with the instruction manual and accessories (^^) Pedometer, Step Counter, Diet, Activity Tracker, Small, Yamasa My Calory MC-500 MY CALORY YAMASA Calorie Spec, Suggested Retail Price: 3500 yen Display: 5-digit digital, 2-line display Sensor: 3D acceleration sensor Displayed Content: Total Calories Burned: 0.0～9999.9kcal Active Calories: 0.0～9999.9kcal Body Fat Burned: 0.0～9999.9g Total Steps: 0～99,999 steps Power Walking Steps: 0～99,999 steps Jogging Steps: 0～99,999 steps Walking Distance: 0.00～999.99km Exercise: 0.0～9999.9Ex Time: 24-hour format Calendar: January 1, 2011 – December 31, 2041 Bar Graph: Previous METs (1～10 METs) Achievement Rate for 10,000 steps per day (0～100%) Achievement Rate for 23 exercises per week (0～100%) Memory: Today, 1 to 14 days ago (Automatically resets at 2:00 AM and automatically saves data) Setting Time: 24-hour format Calendar: January 1, 2011 – December 31, 2041 Weight: 20～130kg (0.1kg increments) Height: 100～200cm (1cm increments) Gender: Male/Female Age: 5～120 years old (1-year increments) Operating Temperature Range: 0℃～40℃ Step Accuracy: Within ±3% (Based on our standard vibration testing device) Time Accuracy: Average monthly difference within ±30 seconds (at room temperature) Power Source: 1 CR2032 lithium battery Battery Life: Approximately 10 months (when worn for 16 hours a day) External Dimensions: Approximately 76 x 33.5 x 10 mm (width/height/thickness) Body Material: Body/ABS resin, Front panel/Acrylic resin Body Weight: Approximately 25g (including battery) Accessories: Simple screwdriver, test battery (1), instruction manual (with warranty)