Keep track of your daily activity levels in a convenient and stylish way. Opmos Pedometer Keychain is made of lightweight and durable ABS that can be attached to backpack, waistband, or any personal item with the keychain design. Built-in button battery that lasts for about six months. The pedometer has a range of features including step counting, time display, calorie and distance measurement, goal step setting, progress bar display, goal completion reminder, and 7 day data storage. Perfect gift for family, friends, or anyone who want to stay healthy and active. Customize the device with your logo to promote your brand.