Features:1. The skipping rope will connect to your smartphone via Bluetooth and the free SkipJoy application (available from the App Store ), and the data will be directly synchronized to Health and Fit, and you can log in to your account directly, without the need to renew register account.2. Optional free jump mode and countdown jump mode for you to choose, keep motivated, and exercise more intelligently. The historical skipping data is saved to the APP, which supports 17 languages such as English/German/French/Italian/Japanese/Korean.3. Adjustable silicone skipping rope, wear-resistant, not easy to break and not easy to knot, suitable for adults and children.4. Long battery life: 30 days on a single charge5. Suitable for sports, fitness, exercise, boxing, fitness, aerobic exercise or daily exercise.Product parameters:Type: Smart skipping ropeColour: BlackRope material: steel wireRope length: 3MWeight: about 330gRechargeable lithium battery: 60mAhLCD display size: 19.6x8.1mmSingle counting upper limit: 9999 times/99 minutes and 99 secondsHandle size: diameter 26*164mm note:The size error of manual measurement may be small.Due to different monitor settings, the color deviation may be different, please understand.