1. Introduction
This manual provides detailed instructions for the JR1839FCC and JR1602FCC 2.4G Bluetooth Remote Control Transmitters, designed for use with kid's electric vehicles and ride-on toys. Please read this manual carefully before use to ensure proper operation and safety.
Important Note: This remote control is specifically designed for compatibility with certain control box models. Please verify compatibility before attempting to use.
2. Product Overview

Figure 2.1: Front view of the JR1839FCC remote control, showing the power, speed, and direction buttons.

Figure 2.2: The JR1839FCC remote control alongside various compatible ride-on electric vehicles.
3. Compatibility Verification
Before attempting to pair or use the remote control, it is crucial to verify its compatibility with your electric vehicle's control box. Please compare your original remote control or controller model with the images provided below.
- If the appearance of your original remote control matches the three remote controls shown in Figure 3.1, it is likely compatible.
- You can locate the control box by opening the seat or hood of the toy car. If the model of your controller matches any of the models in Figures 3.2, 3.3, or 3.4, it is perfectly matched.

Figure 3.1: Illustration of an incompatible remote control type. Ensure your original remote does not resemble the bottom one if seeking replacement.

Figure 3.2: Examples of compatible control box models (e.g., JR-RX-6V, JR1738RX-12V, JR1922RXS, JR1958RX-2S, JR1858RX-5P, HY-RX-2G4-12V-AD, RX1922RXS-AD, HY2012RX-AD, JR-RX-12V).

Figure 3.3: Additional compatible control box models (e.g., HY2025RX-SE-12V, HY2005RX-24V/40A, HY2005RX-HL-24V, JR1930-JR1935-24V, JR1630-12V).

Figure 3.4: Further compatible control box models (e.g., JR1922RXS, JR1930RX-2-24V, JR1705RX-12V, JR-RX-12V, JR1788RX-2-12V, JR1858RXS-7P, JR1888RX-12V, ZCY1810RX-5P, ZCY1810RX-7P).
4. Setup and Pairing Instructions
Follow these steps to pair your JR1839FCC remote control with your electric vehicle. This process is typically required only for the first time use or after replacing batteries.

Figure 4.1: Excerpt from the JR1839FCC Remote Control Manual detailing pairing and operation.
- Battery Installation: Ensure the remote control has two 1.5V AAA batteries installed (not included).
- Initial Pairing (First Time Use): This product has memory function. If it's the first time using, you need to match code.
- Matching Code:
- Hold down the "S" key for 3 seconds. The start match code LED will flicker.
- Turn on the car body power now. The first LED will light up, indicating a successful match code.
- Remote Standby: If the remote is idle for 10 seconds, it will enter standby mode. Press any key to wake it up.
5. Operating Instructions
Once paired, you can operate your electric vehicle using the remote control buttons as described below:
- Direction Keys:
- "△" (Up Arrow): Forward
- "▽" (Down Arrow): Back
- "◁" (Left Arrow): Left
- "▷" (Right Arrow): Right
- Speed Control ("S" Button):
- Press "S" key: Set up speed. 1 LED lit up is low speed.
- 2 LEDs lit up is medium speed.
- 3 LEDs lit up is high speed.
- Back car is only low speed.
- Brake ("P" Button): Press "P" key to hold the brake. All LEDs will flicker.
Note: This remote controller can only be used with adult's guidance.
6. Troubleshooting and FCC Compliance
FCC Rules and Compliance:
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:
- This device may not cause harmful interference.
- This device must accept any interference received, including interference that may cause undesired operation.
Note: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver.
- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
- Consult the dealer or an experienced radio/TV technician for help.
Warning: Changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
FCC Radiation Exposure Statement:
The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction.
7. Specifications
| Feature | Detail |
|---|---|
| Product Model | JR1839FCC, JR1602FCC |
| Supply Voltage | DC 3.0V |
| Battery Type | 2 x 1.5V AAA (not included) |
| Frequency | 2.407GHz-2.473GHz |
| Peak Output Power | 5dBm |
| Product Dimensions | 3.74 x 4.53 x 6.9 inches |
| Item Weight | 5.6 ounces |
| Manufacturer | JRRM |
8. Support and Contact Information
For any questions, concerns, or assistance with your JR1839FCC or JR1602FCC remote control, please contact our professional after-sales team. We are committed to providing support to ensure your satisfaction.
Please refer to the product packaging or the retailer's website for specific contact details.