[DIGITAL COUNTER WITH LCD DISPLAY] Skipping rope skipping with upgrade smart chip has memory function, after setting the weight for the first time, it will return to default next time. Built-in magnetic control counting sensor can count up/down timer to set goal and record jump results. The timer can be programmed to count down a set workout time or to track your elapsed time. [WIRELESS OR SKIPPING] Creative design allows you to change the mode between jumping rope and wireless. Jump ropes for fitness design with 3M length, adjust to proper length without tools. The connection between rope and handle adopts unique locking design, no matter how much power you use, the rope will not slip. Easy to switch to wireless mode, let you use the jump rope no matter where. [JUMP ROPES MADE OF HIGH QUALITY MATERIAL] The exercise fluidity PVC jump ropes high quality eliminate knots and kinks and allow you to jump rope on any surface. Built-in premium 360° professional ball bearing for smooth and effortless turning. The HD LCD screen of this fitness jump rope clearly displays the timer, weight, calories and circles at any time of the day and night. [MULTIFUNCTION ON LCD DISPLAY] The jump rope jump with counter covers everything you need: weight, time, calories and revolutions. You can not only track your workout, but also set a time or rotation reminder. A beep sounds when the target time and number of laps are reached. Note: After reaching your goal, you can pause the booster by pressing DN, UP resets your RPM and ON clears your jump data. [HEAVY JUMP ROPE HANDLE] Constructed with metal block 50g mobile on handles up to 116g. Unique ergonomic ABS handle with SILICONE massage sleeve for a non-slip grip, so you can exercise easier and longer while keeping your hands comfortable. High performance jump rope system can better train your wrist strength, very compact aerobic fitness equipment and strength training equipment. 2.8M Steel Rope 2 x Handles（without battery） 2 x Short ropes 2 x Metal block Screwdriver (to change the battery) Manual instructions