[ ISJ-001 ] Bluetooth Smart Jump Rope (編號:ISJ-001)

>The most efficient cardio exercise now improved with the Smart Skipping Rope .
>Connects to the SmartRope mobile app (iOS, Android, Apple Watch) via Bluetooth to tell you about your workout data.
>App keeps track of your workout data: jump count, calories burned, and time spent jumping.
>Powered by lithium-ion battery, USB charging, no need to replace battery anymore.