Item Type: Smart Jump Rope Machine Material: ABS, Electronic Components Battery: Remote Control: 1 x CR2025 (with Built in Battery Delivery), Jump Rope Machine: 1 x 3.7V Lithium Battery (with Built in Battery Delivery) Battery Capacity: Remote Control: 140mAh, Rope Skipping Machine: 500mAh Package List 1 x Smart Jump Rope Machine 1 x Remote Control 1 x Charging Line 2 x Flip Rope 1EASY TO USE: Smart jump rope machine is easy to assemble and use, just follow the operating instructions to follow and turn on, it can automatically jump rope, suitable for beginners. 2SAFE TO USE: Electric skipping machine compared with the traditional jump rope, it is safer, will not harm the surrounding people, can be used with confidence. 3WITH REMOTE CONTROL: Innovative jumprope machine has a remote control, can control the start and stop, you can challenge the difficulty of different difficulties. 4FREE YOUR HANDS: Electric skipping rope machine with new design, free your hands, can achieve multiplayer interaction, make jumping rope become a fun sport. 5LCD SCREEN DISPLAY: ELectric jump rope machine has LCD screen display, you can jump while you can see the number of rope jumping, clear and intuitive, easy to use.