1.Full charge the battery when you receive it ,the charge time about 30-60mins
2.connect the battery with the shark,Please tighten the battery cover
3.Put the shark into the water until the blue light up（There is a water sensor switch on the bottom of the fish, put the fish into the water, the blue light on the back of the shark lights up）
4.Turn on the controller（The remote control needs to be as close to the shark as possible. The red light of the remote control is turned off, indicating that the remote control and the shark are successfully linked.）
