Choice Black Phone Swing Step Counter with USB, Silent Pedometer Shaker for Walking, Supports 2 Phones Unde

✔UPGRADED VERSION✔ of high-speed bearing silent walker, support dual mobile phones at the same time, providing more possibility.This product has no built-in battery and needs to be used with a USB power cord to work properly.Attention:Dear buyers, please carefully read the detailed page introduction and A+image explanation before making a purchase. There are detailed usage instructions, usage guides, pictures, etc. inside.

✔COMPATIBLE WITH✔ software: Mobil Pokemon Go, Poke Ball Plus, Walker, Google Fit and other applications increase the number of steps

✔HIGH SILENT VERSION✔Improved on both sides of the metal wheel, so you won't be bothered by noise. It can fix 2 phones on the support board with rubber band at the same time to help you and your family get together quietly

✔SUPPORT MOST CELLPHONES ✔ suitable for smart phones and smart watches below 6.7 inches, the phone will be fixed on the support board with rubber band, easy and safe installation

✔STEPS COUNTER PEDOMETER ✔tilting the support plate can work automatically after plugging in, and an average of 8500 steps per hour, the steps could be different due to different model of phones

✔MATTERS NEEDING ATTENTION✔ The use of fast charging head, computer port and mobile power supply is not recommended. The specification of charging head is recommended to be within 5V2A. Some mobile power supplies and the USB port of the computer have unstable output power, which may cause the machine to not swing.