Cordless And Corded Dual-Use USB Charging Children Steel Wire Skipping Rope Smart APP Bluetooth Connection Fitness Counting Skipping Rope, Rope Length: 3m

1. Bluetooth version: 4.2
2. Download and install Skip Joy, compatible with Android 7.0, IOS10.3 version
3. Battery capacity: 55 mA
4. Life time: 45 days
5. High-definition backlit display, better visual experience
6. PVC wrapped steel wire rope, wear-resistant, not easy to damage, not easy to knot
7. ABS non-slip handle, comfortable to use
8. There are two modes of corded and cordless to meet different needs