Introduction
Thank you for choosing the ROCKBROS Multifunctional 5-in-1 Bicycle Device. This product integrates a smart headlight, mobile phone holder, Bluetooth audio, hands-free call functionality, and an electric horn, all powered by a 4400mAh power bank. Designed for convenience and safety, it features a 32-bit ARM processor and system control technology, offering advanced and intelligent mobile device interaction.
The device supports MP3, WMA, and WAV audio formats via TF card or USB flash drive, and utilizes optimized Bluetooth EDR technology for stable wireless connections. Its low-frequency radiator design enhances audio quality, providing pleasant sound with strong penetration. The robust construction ensures it is waterproof and dustproof with an IP54 rating.
Please read this manual carefully before installation and operation to ensure optimal performance and avoid any issues. Keep this manual for future reference.
Video: Overview of the ROCKBROS 5-in-1 Bicycle Device features and usage.
Package Contents
Ensure all the following items are included in your package:
- Master unit: 1 set
- Micro 5P data cable: 1 piece
- Mounting bracket: 1 piece
- Rubber mat: 2 pieces
- Product instructions: 1 piece
- Certificate: 1 piece
- External button cable: 1 piece

Image: All components included in the ROCKBROS 5-in-1 Bicycle Device package.
Product Analysis
Familiarize yourself with the different parts and controls of your device:

Image: Top view highlighting the Cell phone holder, TF card slot, Lights, and Horn.

Image: Bottom view detailing the Upward song selection/volume down key, Downward song selection/volume up key, Illuminated Bluetooth Mode switch key, Micro USB socket, AUX-IN, Power switch, and USB socket.
Setup and Installation
Mounting Holder to Main Unit
- Ensure the unit power is off.
- Hold the main unit with one hand and the mounting bracket with the other.
- Clamp the two tabs of the bracket into the corresponding grooves on the main unit.
- Rotate the bracket towards the lamp direction until you hear a "click" sound, indicating it is securely fastened.

Image: Step-by-step guide for attaching the mounting bracket to the main unit.
Mounting Unit to Bicycle Handlebar
- Before starting, read and understand all steps. Place your bicycle on a hard, flat surface.
- Determine the desired mounting position on your handlebar, ensuring sufficient space for the device.
- Remove the screws from the mounting holder. Insert the non-slip rubber mat into the holder.
- Mount the holder onto the handlebar and re-tighten the screws to prevent loosening.
- Sit on the bicycle and adjust the device to your preferred position. Note: The speaker should be oriented towards the rider's head for optimal sound effect.
- Turn the handlebar left and right to its limits to ensure the device does not interfere with other bicycle accessories.

Image: Detailed steps for installing the device onto the bicycle handlebar, including gasket placement and screw tightening.
Mounting Cell Phone
The clamping arm of the phone holder is adjustable from 50mm to 86mm, accommodating most mobile phones and navigation systems (e.g., Apple, Samsung, Huawei, Xiaomi, Sony, TCL).

Image: Illustration of the phone holder's spring design and adjustable width (50-86mm) for various mobile devices.
Basic Operations
1. Power Switch
- To turn on: Press the power switch rightward to the “ON” position.
- To turn off: Press the power switch leftward to the “OFF” position.
- Upon power-on, if no external device is connected, the unit defaults to Bluetooth mode and announces, “The Bluetooth device is ready to pair.”
2. Bluetooth Pairing
- Select Bluetooth mode on the device. The unit will prompt, “The Bluetooth device is ready to pair.”
- Enable Bluetooth on your mobile phone and scan for devices. The unit's Bluetooth ID is “AV127B-BT.”
- Select “AV127B-BT” on your phone to pair. The default pairing password is “0000” (some phones may not require a password).
- Once successfully paired, the unit will announce, “Connected successfully.” You can then play music or make calls via Bluetooth.
- The unit can be scanned and connected by a mobile phone at any time when powered on. Upon successful connection, it automatically switches to Bluetooth mode. The unit beeps when the Bluetooth device is disconnected.

Image: Visual guide for Bluetooth pairing, showing phone interface and device status.
3. AUX-IN
For external audio signal input, insert an AUX plug into the AUX-IN port. The unit will prompt “Aux input model.”
4. USB Interface
- To play music: Plug a USB flash drive containing MP3, WMA, or WAV music files into the USB interface. The unit will enter USB playback mode and announce “Music play model.”
- To charge: Mobile phones can be charged via the USB interface only when the device is powered on and connected to a charging cable.
5. Micro USB Interface
- Charging: The built-in battery can be charged via this port whether the unit is on or off. During charging, the green battery status LED (four bars) will flash. Once fully charged, the LED will stop flashing. Note: In the off state, if charging is detected, the unit may still announce “The Bluetooth device is ready to pair,” but other functions will be unavailable.
- Bell Function: Connect the external button cable to the Micro USB interface. In the power-on state, press the button once for two bell rings. Press and hold the button for continuous ringing.

Image: Connection of the external bell and demonstration of short press (two rings) and long press (continuous ring).
6. Lamp Switch, Bluetooth Mount, Mode Switch Button
- Light Control: If no external device is connected, short press this button to cycle through light modes: On, Flash, Off.
- Call Management: When connected to a mobile phone via Bluetooth, short press this button to answer or end incoming calls.
- Mode Switching: Press and hold this button to cycle through BT, USB, TF, and AUX modes. Unavailable modes will be skipped.

Image: Illustration of the dual lamp bead lighting with 'Always on' and 'Flashing' modes for night riding safety.
7. CH+/VOL+ Button (Next Track/Volume Up)
In BT, USB, or TF mode: Short press to switch to the next track. Press and hold to increase the volume. The unit will beep when maximum volume is reached.
8. CH-/VOL- Button (Previous Track/Volume Down)
In BT, USB, or TF mode: Short press to switch to the previous track. Press and hold to decrease the volume.
9. TF Slot
Insert a TF card with music files into the slot, push it in until it snaps, to enter TF playback mode (supports MP3 and WMA formats). The unit will announce “Music play model.” Press again to eject the card.
10. Microphone
The built-in microphone collects sound during Bluetooth calls for hands-free communication.
Technical Specifications
| Feature | Specification |
|---|---|
| Brand | ROCKBROS |
| Model Number | ZX006 |
| Material | ABS |
| Net Weight | 280g |
| Charging Voltage/Current | 5V/1.5A |
| Bluetooth Pairing Range | ≥ 10m |
| Lamp Illumination Range | ≥ 50m |
| Cell Phone Holder Range (width) | 50-90mm |
| Audio Frequency Response | 100Hz-18KHz |
| Audio Distortion | < 1% |
| Audio SNR (Signal-to-Noise Ratio) | ≥ 60dB |
| Audio Output Power | ≥ 5W |
| Standby Current | ≤ 0.2mA |
| Dustproof/Waterproof Level | IP54 |
| Light Output | 90Lm*2 |

Image: Visual representation of product dimensions and key specifications.
Charging Information
- Initial Charge: The first charge should be approximately 6 hours.
- Subsequent Charges: Each subsequent charge should be approximately 5 hours.
- Battery Life: A fully charged device provides about 30 hours of use.
- Long-Term Storage: If the product will not be used for an extended period, it is recommended to charge it at least once a month to prevent battery damage and prolong its lifespan.

Image: Illustration of the charging mode, showing the green battery indicator lights flashing during charging and stopping when fully charged.
Maintenance
- Cleaning: Wipe the device with a soft, damp cloth. Do not use harsh chemicals or abrasive cleaners.
- Water Exposure: The device has an IP54 rating, meaning it is protected against dust and splashing water. Do not submerge the device in water. It only supports water mist-proof.
- Storage: Store the device in a cool, dry place away from direct sunlight and extreme temperatures.
- Battery Care: Follow the charging guidelines to maintain battery health, especially during long periods of non-use.
Troubleshooting
- If the device does not power on, ensure it is fully charged.
- If Bluetooth pairing fails, ensure the device is in Bluetooth mode and within range of your phone. Try restarting both devices.
- If music playback from USB or TF card fails, ensure the files are in a supported format (MP3, WMA, WAV) and the storage device is properly inserted.
- If the bell function is not working, check the connection of the external button cable.
User Tips
- For optimal sound, ensure the speaker is directed towards your head when mounted on the bicycle.
- Remember to check the technical specifications for details like Bluetooth sound power (5W) if you have questions about audio output.
- Always ensure the device is securely mounted to prevent it from falling during rides.
- Regularly check the battery level, especially before long rides, to ensure all functions are available.
Warranty and Support
For any issues or technical support, please refer to the contact information provided by your retailer or the official ROCKBROS website. Please note that products without the barcode sticker may not be eligible for after-sales service or technical support.
A PDF version of this user manual is available for download: User Manual (PDF)
FCC Statement
FCC Caution:
Any changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate this equipment. 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.
Notice:
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.
