Stop Motion Stand Shaker Automatic Mobile Phone Pedometer Swing Holder with USB Power and Battery Options for Step Counting

Made of good-quality metal and plastic, very , this mobile phone shake pedometer is recommended for those who want to incrse the number of steps Put the phone on the pedometer, plug in the power or install the battery, it will keep swinging and calculate automatically You can stop swinging, and then the joystick can be used as a phone holder,rlly useful Item Type: Stop Motion Stand Material: Plastic + Metal Size: Approx. 18 x 11.7 x 10.8cm / 7.1 x 4.6 x 4.3in Purpose: Suitable for refreshing steps, giving gifts, etc. Battery: 4 x AA batteries (not include) How to Use: After the installation is completed, plug in the USB cable to connect to the power supply; the balance bd can be adjusted up and down to adjust the swing range (the rubber band is used to fix the mobile phone)