1: Multiplayer interaction, hands-free operation, remote control 2: 10 shift key remote control, scientific design, smooth shifting, 360 rotation without dead zones, stable, fast and smooth performance, eliminates tangling 3: PU wrapped nylon rope, highly durable, not easy to break 4: Built-in rechargeable lithium battery, one charge supports up to 20 hours of continuous use, standby time of over 30 days 5: Designed for both adults and children to enhance parent-child bonding through jump rope activities Features: LED display, colorful breathing lights, 1-10 speed adjustment, Bluetooth 5.1 compatible with music function, 40mm*4 Euro/3w speaker, remote control included Specifications: Rated voltage: 3.7V Input voltage: 5V-1A Motor: 5W Battery capacity: 1500mAh Rope skipping speed: 70-160 rpm (per minute) Color: blue Material: ABS Size: 130 x 100mm Package Contents: 1 x Rope Skipping Machine 1 x Remote Control 1 x USB charging cable Note: Light reflection and different displays may cause the item's color to appear slightly different from the real thing. Measurement allows an error of +/- 1-3cm.