Multiplayer interaction, hands-free remote control 10-shift key remote control with scientific design, 360-degree rotation without dead zones, stable, fast, and smooth operation, eliminating tangled ropes PU-wrapped nylon rope, highly durable and resistant to breakage Built-in rechargeable lithium battery, up to 20 hours of continuous use on a single charge, standby time over 30 days Suitable for adults and children to enjoy jump rope together, promoting parent-child interaction and bonding LED display with colorful breathing lights, 1-10 speed adjustment, Bluetooth 5.1 compatibility for music playback, 40mm*4 Euro/3W speaker 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 Jump Rope Machine 1 x Remote Control 1 x USB Charging Cable Note: Light reflection and differences in display screens may cause slight variations in color compared to the actual product. Measurement error allowed within +/- 1-3cm.