Automatic Steps Earning Device - Recommended for those who want to increase the number of walks! Increase steps with apps such as Pokemon GO (Adventure Sync), Walkr, Google Fit, and more. Steps Counter Accessories Compatible for Pokemon Go Cellphone Pedometer - Can be shaked automatically and you will earn 8,000 to 10,000 steps per hour easily! As you earn more than 30km steps while sleeping (about 6 hours) while sleeping, securing of the candy and hatching of eggs become much fun. Support model - Suitable for various Smart Phones. Width width 6.2-8.6cm We cope with each smartphone (iPhone X / XS / 5C / 6/7/8/8 Plus, Galaxy, Android, various other correspondence). There is no magnet - ( there is no magnetic force influence of smartphone), metal, plastic, USB port cable. Use a USB power adapter of 5V/2A or less. For safety, do not use a USB power adapter with a large wattage.