1. Introduction
Thank you for purchasing the Coodoo 2.4G Remote Control Shark Toy. This manual provides essential information for the safe and proper setup, operation, and maintenance of your new toy. Please read it thoroughly before use and retain it for future reference.
2. What's in the Box
- Remote Control Shark Toy
- Remote Control Transmitter
- 2 x 3.7V 550mAh Li-Po Batteries (for shark)
- USB Charging Cable
- Screwdriver
- Spare Propellers

Figure 2.1: All components included in the Coodoo 2.4G Remote Control Shark Toy package.
3. Safety Information
- Recommended for ages 8-14 years. Adult supervision is advised for younger users.
- Keep fingers, hair, and loose clothing away from propellers when the toy is in operation.
- Do not operate the toy in water with strong currents or near obstacles.
- Ensure all battery compartments are securely sealed before placing the toy in water.
- Do not immerse the remote control in water.
- Use only the provided charging cable and batteries.
- Inspect the toy for damage before each use. Do not operate if damaged.
4. Setup
4.1. Battery Installation (Shark)
- Locate the battery compartment on the underside of the shark.
- Use the provided screwdriver to open the battery compartment cover.
- Connect one of the 3.7V 550mAh Li-Po batteries to the shark's power connector.
- Carefully place the battery inside the compartment.
- Securely close the battery compartment cover with the screwdriver to ensure a waterproof seal.

Figure 4.1: Steps for installing the shark's battery.
4.2. Battery Installation (Remote Control)
- Open the battery cover on the back of the remote control.
- Insert 2 x AAA batteries (not included) into the compartment, observing correct polarity (+/-).
- Close the battery cover securely.
4.3. Charging the Shark Battery
- Connect the shark's Li-Po battery to the USB charging cable.
- Plug the USB charging cable into a compatible USB power source (e.g., computer, USB wall adapter).
- The charging indicator light will show the charging status. A full charge typically takes about 30 minutes and provides approximately 35 minutes of play time.
- Do not overcharge the battery. Disconnect once fully charged.
4.4. Tail Assembly
The shark's tail is designed for easy attachment and removal for storage. Align the tail connector with the main body connector and gently push until it clicks into place. Ensure it is firmly attached for optimal movement.
Video 4.1: An unboxing and first look at the RC shark, demonstrating assembly and initial setup steps.
5. Operating Instructions
5.1. Pairing the Remote Control
- Turn on the shark toy using the switch on its underside. The light on the shark will flash, indicating it's ready for pairing.
- Turn on the remote control. The indicator light on the remote will also flash.
- Push the left joystick forward and then backward. The lights on both the shark and the remote will stop flashing and remain solid, indicating successful pairing.
5.2. Controls
The 2.4GHz remote control offers precise 4-channel control:
- Left Joystick: Controls forward and backward movement.
- Right Joystick: Controls left and right turning.
- The shark's flexible mechanical tail joints and dual propellers allow for realistic swimming motions.

Figure 5.1: Joint principle and double propeller drive for realistic movement.
5.3. Usage Environment
The shark toy is designed for use in water environments such as swimming pools, bathtubs, or water tanks. Ensure the water is clear and free of debris for optimal performance.
Video 5.1: The RC shark toy in action, demonstrating its movement in a pool environment.

Figure 5.2: The shark toy features double waterproof protection.
6. Maintenance
6.1. Cleaning
- After each use, rinse the shark toy with fresh water to remove chlorine or other residues.
- Gently wipe the toy dry with a soft cloth.
- Ensure the battery compartment is dry before opening or charging.
6.2. Storage
- Remove batteries from both the shark and the remote control if storing for an extended period.
- Store the toy in a cool, dry place away from direct sunlight.
- The tail can be detached for more compact storage.
7. Troubleshooting
- Toy not responding: Ensure both the shark and remote control are powered on and successfully paired. Check battery levels in both devices.
- Shark not moving in water: Verify that the propellers are free from obstructions. Ensure the water is not too turbulent, as this can affect propulsion.
- Short play time: Ensure batteries are fully charged before use. Battery life can vary based on usage intensity.
- Difficulty turning: Practice using the joysticks to control the left and right propellers for precise turning.
8. Specifications
- Product Dimensions: 13.4 x 5.5 x 3.5 inches
- Item Weight: 12.3 ounces
- Item Model Number: Shark Toys
- Manufacturer Recommended Age: 8 - 14 years
- Batteries (Shark): 3.7V 550mAh Li-Po (rechargeable)
- Batteries (Remote): 2 AAA batteries (not included)
- Control Frequency: 2.4Ghz
- Manufacturer: Coodoo

Figure 8.1: Product dimensions and key features.
9. Warranty & Support
For warranty information or technical support, please contact Coodoo customer service directly. Refer to the product packaging or the official Coodoo website for contact details.