1. Introduction
Thank you for choosing the NEWBOLER GPS Bike Computer. This device is designed to provide accurate cycling data, including speed, distance, time, and altitude, using advanced multi-satellite positioning technology. It features a clear 2.4-inch FSTN display, long battery life, and a durable, waterproof design for all your cycling adventures.

Figure 1: NEWBOLER GPS Bike Computer Overview
2. Package Contents
Please check the box for the following items:
- NEWBOLER GPS Bike Computer Unit
- Standard Handlebar Mount
- USB Type-C Charging Cable
- Rubber Rings for Mount Installation

Figure 2: Package Contents
3. Setup and Installation
3.1. Mounting the Device
The NEWBOLER GPS Bike Computer supports various mounting options. The standard package includes a handlebar mount. Other brackets (round handle extension, carbon fiber integrated) may be purchased separately.

Figure 3: Compatible Mounting Brackets
Standard Mount Installation Steps:
- Attach the base plate to the mount arm using the provided screws.
- Position the mount on your bicycle handlebar or stem.
- Secure the mount using the rubber rings, ensuring it is firm and stable.
- Align the bike computer with the mount's locking mechanism and rotate it clockwise until it clicks into place.

Figure 4: Installation Steps for Standard Mount
3.2. Initial Power On and GPS Acquisition
- Power On: Press and hold the power button (usually the left-side button) for 2 seconds to turn on the device.
- GPS Acquisition: The satellite icon on the display will flash, indicating it is searching for satellites. For successful GPS acquisition, move to an open outdoor area with a clear view of the sky. Once satellites are found, the icon will become steady. This process is crucial for accurate speed, distance, and time data.
Video 1: Product Overview and Basic Operation
4. Operating Instructions
4.1. Display Overview
The 2.4-inch FSTN display shows various cycling metrics. Refer to the diagram below for an explanation of each display element.

Figure 5: Display Elements
4.2. Button Functions
The device typically has two main buttons (Up and Down arrows) on the left side for navigation and function changes.
- Up Arrow Button (▲): Press to view data sequentially: Total Distance, Total Time, Current Time, Clock, Calories.
- Down Arrow Button (▼): Press to view current speed, maximum speed, and average speed.
- Backlight Control: Long press the Up Arrow button (▲) for 3 seconds to turn the backlight on or off. The backlight can also be set to be always on.
4.3. Automatic Shutdown
The device will automatically shut down after 20 minutes of inactivity to conserve battery life.

Figure 6: Backlight and Auto Shutdown Features
4.4. Sensor Connection (Optional)
This GPS bike computer does not require external sensors for basic speed and distance measurements. However, it supports Bluetooth 5.0 and ANT+ for potential connection to compatible external sensors (e.g., heart rate monitors, cadence sensors) or for data synchronization with cycling apps (specific app compatibility may vary and is not detailed here).
5. Maintenance
5.1. Charging
The device is equipped with a 1200mAh Lithium-ion battery, providing approximately 28 hours of working time. Use the provided USB Type-C cable to charge the device. Connect the Type-C end to the computer and the USB-A end to a standard USB power adapter (not included) or a computer USB port.

Figure 7: Battery and Charging Information
5.2. Waterproofing
The NEWBOLER GPS Bike Computer features daily life waterproofing. While it is resistant to splashes and light rain, it is not 100% waterproof. Please avoid prolonged soaking in rain or submerging the device in water to prevent damage.
5.3. Cleaning
To clean the device, wipe it gently with a soft, damp cloth. Do not use abrasive cleaners or solvents, as these may damage the screen or casing.
6. Troubleshooting
- Device not turning on: Ensure the battery is sufficiently charged. Connect it to a power source using the USB Type-C cable.
- No GPS signal or inaccurate data: Move to an open outdoor area with a clear view of the sky. Obstructions like tall buildings or dense tree cover can interfere with GPS reception.
- Incorrect time display: The device synchronizes time via GPS. Ensure a strong GPS signal is acquired. If time issues persist, especially with daylight saving changes, check for any available firmware updates from the manufacturer.
- Display is dim or unreadable: Adjust the backlight settings. Ensure the device is not exposed to extreme temperatures.
7. Specifications
| Feature | Specification |
|---|---|
| Model Number | ODO039 |
| Display Size | 2.4 inches FSTN |
| Battery Type | Lithium-ion |
| Battery Capacity | 1200mAh |
| Working Time | Approx. 28 hours |
| Charging Interface | USB Type-C |
| Positioning Systems | Beidou, GPS, GLONASS, Galileo, QZSS (Five Star Positioning) |
| Connectivity | Bluetooth 5.0, ANT+ |
| Waterproofing | Daily Life Waterproofing |
| Material | PC+ABS |
| Weight (single gauge) | 77.2 g |
| Backlight | Manual, continuous on option |
| Automatic Sleep | Automatic shutdown after 20 minutes of inactivity |
| Touch Screen | Yes |

Figure 8: Product Information and Dimensions
8. User Tips
- Optimal GPS Performance: Always ensure you are in an open outdoor area when first powering on or if you notice data inaccuracies. A clear view of the sky is essential for fast and accurate GPS signal acquisition.
- Time Synchronization: The device's time is set via GPS. If you experience issues with time display, especially related to daylight saving, ensure the device has a strong GPS lock. Check the manufacturer's website for any available firmware updates that might address time zone or daylight saving adjustments.
- Battery Life: To maximize battery life, utilize the automatic shutdown feature and turn off the backlight when not needed.
9. Warranty and Support
For warranty information, technical support, or service inquiries, please refer to the documentation provided at the time of purchase or contact your retailer. Keep your proof of purchase for warranty claims.