Feature:1. 1. Battery shark toy Equipped with an upgraded 550mAh rechargeable highcapacity battery that will provide you with a longerlasting experience. Humanized rotary lock design, the battery can be easily removed without any tools.2. 2. Wireless distance - Equipped with 2.4Ghz anti-jamming and L-shaped light. Allows multiple toy sharks to play together with a wireless distance of up to 131 feet. The floating shark can go forward and backward, and turn left and right.3. 3. Lifelike - Streamlined body with flexible mechanical tail joint (enhanced), power-enhanced motor, plus flexible shark body... All features ensure that the shark has enough power to swing freely from side to side as in reality, bringing Unlimited brings joy and reverie to children.4. 4. Automatic protection function - The shark will only start to work when it is in contact with the water and prevents the child's fingers from touching the moving propeller. Not only will it allow your child to play carefree, but it will also extend the life of the engine.5. 5. Perfect gift for kids This great shark gift is the perfect remotecontrol toy for sharkobsessed boys and girls. Come and prepare birthday/Christmas/holiday gifts for your little one!6. Specification:Shark battery: 3.7V 550mAhRemote control battery: AAA 1.5V 2 (not included)Material: ABSCharging time: about 60 minutesBattery life: about 25 minutesRemote control distance: about 40 minutes.Package List:1*Remote Control Shark1*Remote Control (Random Color)1*Battery1*Propeller1*USB Charging Cable1*ScrewdriveNote:(The shark must be in the water to check the frequency with the remote properly)3: After installing the battery with the remote control, turn the power switch to the ON position. At this point, the indicator lights up and flashes. After the pairing is successful, the indicator light will be on for a long time.4: After the demo key is triggered and started, the shark has been in the automatic demonstration state. In the demonstration state, you can press the forward, backward, or left and right keys to stop the demonstration mode.5: Press and hold the forward button, keep pressing, forward, (hold the left and right buttons at the same time to change left or right turn).6: Back button, fine-tuning back7: Left turn key8: Turn the right button9: Accelerate button (default full speed after power-on and frequency comparison)