Features: 360 degrees rotation, anti-winding design, smooth jumping without jamming. Adjustable rope length, suitable for adults and children. The cordless ball type can exercise at indoor, not affected by the site. ABS wear-resistant non-slip handle, easy to grip. Digital display, 4 modes freely switch, counting, calorie, kilometer and mile. Double key operation, one key reset. Compact and portable, help you burn fat, lose weight, keep your body healthy.