Feature(may vary by option.)

●Compatible with smartphones with 2.6 - 3.5 inches (6.5 - 9 cm) wide and 0.5 inch (12 mm)
●There are 3 different irregular frequency modes switching to prevent system detection
●No assembly required and no need to secure with elastic band
●Adopts high quality bearings, quiet and durable
●Accessories: Main unit, USB power cable, Japanese instruction manual (English language not guaranteed)

[Black]

Description

Automatic step tracking! The step counting device simulates the left and right sway of your phone while walking on a person, increasing the average of 5,000 to 7,000 steps per hour. Use apps and games like Pokemon GO, Walkr, Google Fit to increase your steps and mileage. You can use your sleep time to make a good amber or hatch eggs.