Introduction
The NEWBOLER ODO039 is a wireless GPS cycling computer designed for mountain bikes (MTB) and road bikes. It provides accurate speed, distance, and time tracking using advanced five-star positioning technology, supporting Beidou, GPS, GLONASS, Galileo, and QZSS satellite systems. Featuring a clear 2.4-inch display with LED backlight and daily life waterproofing, this device is an essential accessory for any cyclist.

Setup
Mounting the Device
The NEWBOLER ODO039 cycling speedometer can be mounted using various bracket types. Ensure the bracket is securely attached to your bicycle's handlebars or stem.

Standard Bracket Installation
- Fix the four corners of the rubber ring to the bracket.
- Attach the bracket to your handlebar.
- Align the speedometer with the buckle on the bracket and rotate to lock it in place.

Extension Bracket Installation (Round Handle, Vertical, Carbon Fiber Integrated)
For extension brackets, follow these general steps:
- Assemble the bracket components, ensuring any necessary gaskets are in place.
- Install the bracket onto your handlebar or stem and tighten the screws securely.
- Align the speedometer with the buckle on the bracket and rotate to lock it in place.

Initial Power On & Satellite Search
- Press and hold the power button for 2 seconds to turn the device on.
- Upon powering on, the device will automatically calibrate the time via satellite.
- The satellite icon flashing indicates that the device is searching for satellites. For normal function, move to an open outdoor area to ensure successful satellite acquisition. A stationary satellite icon indicates successful connection.


Operating Instructions
Display Functions
Use the arrow keys to navigate through different display modes:
- Press the ▲ (Up) arrow key to view sequentially: Total distance, total time, current time, clock, calories.
- Press the ▼ (Down) arrow key to view sequentially: Current speed, maximum speed, average speed.
Backlight Control
To control the LED backlight:
- Press and hold the ▲ (Up) button for 3 seconds to turn the backlight on or off.
- The backlight can be set to be always on.

Automatic Shutdown
The device is designed to conserve battery life. It will automatically shut down after 20 minutes of inactivity.
Maintenance
Waterproofing
The NEWBOLER ODO039 offers daily life waterproofing. This means it can withstand splashes and light rain. However, it is not 100% waterproof, so please do not soak it in water or expose it to heavy rain for prolonged periods.

Charging and Battery
The device is equipped with a 1200mAh Lithium-ion battery and charges via a Type-C interface. A full charge provides approximately 28 hours of working time.
Troubleshooting
- GPS Signal Acquisition: If the satellite icon is flashing, the device is searching for satellites. Ensure you are in an open outdoor area for optimal signal reception. The device needs to successfully acquire satellite signals to function normally.
- No Connection to Laptop: This cycling computer is a standalone GPS device and is not designed to connect to a laptop via cable for data transfer or configuration. Its primary function is real-time tracking and display during rides.
- Strava Connectivity: The NEWBOLER ODO039 does not directly connect or sync with third-party applications like Strava. Data is displayed on the device itself.
Specifications

| Feature | Detail |
|---|---|
| Name | GPS Cycling Code Table |
| Model Number | ODO039 |
| Weight | 77.2 g (single gauge) |
| Material | PC+ABS |
| Charging Interface | TYPE-C |
| Backlight | Manual backlight / can be on continuously |
| Battery Type | Lithium ion |
| Battery Capacity | 1200mAh |
| Working Time | About 28h |
| Screen Size | About 2.4 inches |
| Positioning Systems | Beidou GPS, GLONASS, Galileo, QZSS |
| Dimensions (H x W x D) | 8.3 cm x 5.1 cm x 2.8 cm |
User Tips
- For best GPS performance, always ensure you are in an open outdoor area when starting your ride to allow the device to quickly acquire satellite signals.
- The device is generally well-regarded for its functionality and quality.
- Remember that the GPS function does not require external sensors, simplifying setup.
Warranty & Support
For detailed information and further assistance, please refer to the official user manual PDF: