1. Introduction
Thank you for choosing the WULFPOWERPRO FM MP3 Bluetooth Radio Headphones. These headphones are designed to provide hearing protection with a Noise Reduction Rating (NRR) of 29dB, while also offering integrated Bluetooth connectivity, FM radio, and MP3 playback capabilities. This manual provides detailed instructions for the proper setup, operation, and maintenance of your device.
Image 1.1: WULFPOWERPRO FM MP3 Bluetooth Radio Headphones, front view.
2. Package Contents
Please check the package for the following items:
- 1x WULFPOWERPRO FM MP3 Bluetooth Radio Headphones
- 1x User Manual
- 1x Headphone Cable (3.5mm audio cable)
- 1x USB Charging Cable
- 1x Lithium Battery (pre-installed or separate)
3. Product Features
- Noise Reduction: Effectively reduces external noise by 29dB, protecting your ears from hazardous sound levels.
- Bluetooth Connectivity: Built-in digital Bluetooth for wireless audio streaming from mobile phones, tablets, or other Bluetooth-enabled devices.
- Hands-Free Calling: Integrated microphone allows for hands-free phone calls without removing the headset.
- FM Digital Radio: Automatic scanning of radio stations, high reception sensitivity, and channel memory function.
- MP3 Playback: Supports MP3 playback via a 4GB memory card (included).
- Rechargeable Battery: Features a 3.7V rechargeable lithium battery.
- LCD Display: Digital display shows time, Bluetooth status, and FM frequency.
- Comfortable Design: Soft PU leather headband fits various head sizes for extended comfort.
Image 3.1: Summary of key hearing protection features including LCD display, MP3, USB charge interface, 29dB NRR, cordless design, soft padded headband, and 3.7V rechargeable lithium battery.
4. Controls and Display
Familiarize yourself with the controls on your headphones:
Image 4.1: Diagram illustrating the headphone controls and their functions.
- Power On / Off: Press and hold to power the device on or off.
- Turn Up: Increase volume or navigate forward in menus/tracks.
- Turn Down: Decrease volume or navigate backward in menus/tracks.
- Answer / Hang Up: For managing phone calls.
- Last Item: Navigate to the previous track or station.
- Next Item: Navigate to the next track or station.
- Mode Shift Button: Cycle through different modes (Bluetooth, FM, MP3).
The LCD display shows current mode, battery status, FM frequency, and Bluetooth connection status.
5. Setup
5.1 Charging the Battery
Before first use, fully charge the headphones. Connect the supplied USB charging cable to the charging port on the headphones and to a standard USB power adapter (not included) or computer USB port. The LCD display will indicate charging status. A full charge typically takes several hours.
5.2 Power On/Off
- To Power On: Press and hold the Power On/Off button (1) until the LCD display illuminates.
- To Power Off: Press and hold the Power On/Off button (1) until the LCD display turns off.
6. Operating Instructions
6.1 Bluetooth Pairing
- Ensure the headphones are powered on.
- Press the Mode Shift Button (7) until the Bluetooth icon appears on the LCD display. The headphones will enter pairing mode, indicated by a flashing Bluetooth icon.
- On your mobile device, enable Bluetooth and search for available devices.
- Select "WULFPOWERPRO" from the list of devices.
- Once paired, the Bluetooth icon on the headphones' display will stop flashing and remain solid. You can now stream audio wirelessly.
6.2 FM Radio Operation
- Press the Mode Shift Button (7) until "FM" appears on the LCD display.
- To automatically scan and save available stations, press and hold the Mode Shift Button (7) for a few seconds. The headphones will scan and store stations.
- To manually tune or cycle through saved stations, use the Next Item (6) and Last Item (5) buttons.
- Adjust volume using the Turn Up (2) and Turn Down (3) buttons.
6.3 MP3 Playback
The headphones come with a 4GB memory card for MP3 playback.
- Ensure the memory card is inserted correctly into the designated slot.
- Press the Mode Shift Button (7) until "MP3" appears on the LCD display.
- Use the Next Item (6) and Last Item (5) buttons to navigate between tracks.
- Adjust volume using the Turn Up (2) and Turn Down (3) buttons.
6.4 Hands-Free Calling
When connected via Bluetooth to your mobile phone, you can manage calls directly from the headphones.
Image 6.1: The headphones support hands-free calling, allowing users to answer or end calls directly from the headset while connected to a smartphone.
- Answer Call: When a call comes in, press the Answer / Hang Up button (4) once.
- End Call: During a call, press the Answer / Hang Up button (4) once.
- Reject Call: When a call comes in, press and hold the Answer / Hang Up button (4) for a few seconds.
6.5 Noise Reduction Function
The headphones provide a Noise Reduction Rating (NRR) of 29dB, effectively reducing ambient noise to protect your hearing. This feature is always active when the earmuffs are worn correctly.
Image 6.2: Diagram illustrating how NRR sound technology works by reversing sound waves through a noise reduction system to reduce external noise.
These headphones are suitable for various noisy environments:
Image 6.3: Examples of suitable environments for using the headphones, including airports, construction sites, and shooting ranges.
7. Maintenance
- Cleaning: Wipe the headphones with a soft, damp cloth. Do not use abrasive cleaners or immerse in water.
- Storage: Store the headphones in a cool, dry place away from direct sunlight and extreme temperatures.
- Battery Care: To prolong battery life, charge the headphones regularly, even if not in frequent use. Avoid fully discharging the battery for extended periods.
- Ear Cushions: Inspect ear cushions periodically for wear and tear. Replace if damaged to maintain optimal noise reduction and comfort.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Headphones do not power on. | Battery is depleted. | Charge the headphones using the USB charging cable. |
| Cannot pair via Bluetooth. | Bluetooth not enabled on device; headphones not in pairing mode; device too far. | Ensure Bluetooth is on, headphones are in pairing mode (flashing icon), and device is within range (approx. 10 meters). Try restarting both devices. |
| No sound from FM radio. | Poor signal; no stations saved. | Move to an area with better reception. Perform an automatic scan to save stations. |
| MP3 playback not working. | Memory card not inserted or corrupted; incorrect file format. | Ensure memory card is properly inserted. Check if MP3 files are correctly formatted. Try reinserting the card. |
| Low volume. | Volume set too low on headphones or connected device. | Increase volume using the Turn Up button (2) on the headphones and on your connected device. |
9. Specifications
- Model: SG651009
- Brand: WULFPOWERPRO
- Noise Reduction Rating (NRR): 29 dB
- Single Number Rating (SNR): 29 Decibels
- Connectivity: Bluetooth, 3.5mm Audio Jack, FM Radio, MP3 (4GB memory card)
- Battery: 3.7V Rechargeable Lithium Battery
- Material: Plastic
- Item Weight: 590 Grams
- Item Dimensions (L x W x H): 19.2 x 15.7 x 9.2 cm (7.56 x 6.18 x 3.62 inches)
- Color: Black/Orange
- Age Range: Adult
Image 9.1: Detailed dimensions of the WULFPOWERPRO headphones.
10. Safety Information
- Always ensure the headphones are worn correctly to achieve the stated noise reduction rating.
- Do not modify or disassemble the device. This may void the warranty and pose safety risks.
- Keep the device away from water, moisture, and extreme temperatures.
- Avoid prolonged exposure to high volume levels to prevent hearing damage.
- Dispose of the battery and device according to local regulations.
11. Warranty and Support
WULFPOWERPRO products are manufactured to high-quality standards. For warranty information or technical support, please refer to the contact details provided with your purchase documentation or visit the official WULFPOWERPRO website. Please retain your proof of purchase for warranty claims.