Material: ABS Size: 13.6*9.5cm / 5.30"*3.71" Color: Pink 1. Smart Bluetooth connectivity supports mobile app data synchronization, allowing real-time recording of exercise time, calories burned, and number of jumps, allowing for scientific management of fitness plans. 2. Fully automatic motorized rope length adjustment and one-touch start make operation easy and user-friendly, suitable for both adults and children. 3. High-strength, wear-resistant rope and silent motor design ensure smooth and low-noise operation, allowing indoor workouts to be performed without disturbing neighbors, making it suitable for all-day family use. 4. Supports multiple users taking turns, intelligently identifies different users, and automatically saves personal exercise records, making home fitness more enjoyable. 5. Built-in music playback function allows for simultaneous music playback via Bluetooth connection, enhancing exercise enjoyment and creating a private dynamic gym. Package Includes:1Set Bluetooth Smart Jump Rope Machine