Our electronic jump ropes both Model S and Model B are using 3 pcs AAA batteries. It is the most common battery and you can buy from super store easily.

The player needs to use right hand to grab the handle with switch. The switch should be on the up side and a little bit towards to the play’s body. Please see the following picture. The rope should be positioned to the back of player’s feet. Before jumping, press the switch to turn ON. Then, LED would be shining. The player needs to shake the handle and make the rope move from back to the front. After finish jumping, press the switch again to turn OFF.