1: Multiplayer interaction, release hands, remote control2: 10 shift key remote control, scientific design, shifting , 360 without dead ends, stable, fast and smooth, say goodbye to winding3: PU wrapped nylon rope, super tough, not easy to break4: -in rechargeable lithium battery, one charge can be used continuously for 20 hours, standby for more than 30 days5: Adults and children jump rope at the time to increase parent-child activities and intimacyFunction description: LED display, colorful breathing lights, 1-10 speed adjustment, Bluetooth-compatible 5.1 music function, 40mm*4 Euro/3w, remote control.Rated voltage: 3.7vInput voltage: 5V-1AMotor : 5wBattery capacity: 1500mAhRope skipping speed: 70-160 rpm ( 1 minute)Colour:blueMaterial:ABSSize:130 x 100mmPackage Contents:1 x Rope Skipping Machine1 x Remote Control1 x USB charging cableOnly the above package content, other products are not included.Note: Light reflection and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.