Introduction
This manual provides detailed instructions for the Seflorgo G9 Trucker Bluetooth Headset. It covers product components, setup procedures, operating instructions, maintenance guidelines, troubleshooting tips, and technical specifications. Please read this manual thoroughly to ensure proper use and optimal performance of your headset.
What's Included
Carefully unpack your Seflorgo G9 headset and ensure all items listed below are present:
- 1 x G9 Trucker Bluetooth Headset
- 1 x Detachable Boom Microphone
- 1 x USB Type-C Charging Cable
- 4 x Removable Soft Rubber Covers
- 1 x User Manual (this document)

Image: All components included in the Seflorgo G9 Trucker Bluetooth Headset package.
Product Overview and Controls
Familiarize yourself with the headset's components and control buttons for efficient operation.

Image: Detailed diagram of the Seflorgo G9 headset highlighting control buttons and ports.
Control Functions:
- Button 1 (Multi-function Button):
- Power On/Off
- Play/Pause Music
- Activate Voice Assistant
- Switch Game/Music Mode
- Answer/Hang Up/Reject a Call
- Button 2:
- Turn On Mute
- Next Song
- Volume +
- Button 3:
- Turn Off Mute
- Previous Song
- Volume -
- LED Indicator: Shows Bluetooth status, charging status, and full charge.
- Removable Microphone: Magnetic boom microphone for clear communication.
- Type-C USB Port: For charging the headset.
Setup Instructions
1. Charging the Headset
Before first use, fully charge the headset. Use the provided USB Type-C cable to connect the headset to a power source (e.g., computer USB port or wall adapter). The LED indicator will show charging status and turn off when fully charged.
- Charging Time: Approximately 1.5 hours.
- Battery Capacity: 150mAh.
- Working Time: Up to 12 hours.
- Standby Time: Up to 200 hours.

Image: Battery and charging information for the Seflorgo G9 headset.
2. Attaching/Detaching the Boom Microphone
The boom microphone attaches magnetically to the headset. Align the microphone connector with the port on the headset until it snaps into place. To detach, gently pull the microphone away from the headset.

Image: Illustration of how to attach and detach the magnetic boom microphone.
3. Bluetooth Pairing
- Ensure the headset is charged and powered off.
- Press and hold Button 1 (Multi-function Button) until the LED indicator flashes blue and red, indicating pairing mode.
- On your device (phone, computer, tablet), enable Bluetooth and search for available devices.
- Select "G9 Headset" from the list of found devices.
- Once connected, the LED indicator will flash blue slowly.
4. Dual Device Connection
The Seflorgo G9 headset supports simultaneous connection to two devices, allowing you to switch between them without re-pairing.
- Pair the headset with the first device following the Bluetooth Pairing steps above.
- Disable Bluetooth on the first device. The headset will re-enter pairing mode.
- Pair the headset with the second device.
- Re-enable Bluetooth on the first device. The headset should automatically connect to both devices.

Image: The headset connected to a phone and a computer simultaneously.
Operating Instructions
Power On/Off
- Power On: Press and hold Button 1 for approximately 3 seconds until the LED indicator flashes blue.
- Power Off: Press and hold Button 1 for approximately 5 seconds until the LED indicator flashes red and then turns off.
Music Playback
- Play/Pause: Short press Button 1.
- Next Song: Short press Button 2.
- Previous Song: Short press Button 3.
- Volume Up: Long press Button 2.
- Volume Down: Long press Button 3.
Call Management
- Answer Call: Short press Button 1 when an incoming call rings.
- End Call: Short press Button 1 during a call.
- Reject Call: Long press Button 1 when an incoming call rings.
- Mute Microphone: Short press Button 2 during a call.
- Unmute Microphone: Short press Button 3 during a call.
Voice Assistant
- Activate Voice Assistant (Siri/Google Assistant): Double-press Button 1.
Switching Modes
- Switch Game/Music Mode: Triple-press Button 1.
Maintenance
Cleaning
Regular cleaning helps maintain the headset's condition and hygiene.
- Wipe the headset with a soft, dry, lint-free cloth.
- Do not use abrasive cleaners, solvents, or aerosol sprays.
- Ensure the charging port is free of dust and debris.
Storage
When not in use, store the headset in a cool, dry place away from direct sunlight and extreme temperatures.
Water Resistance
The Seflorgo G9 headset has an IPX5 water resistance rating, protecting it from small amounts of sweat and rain. It is not designed for submersion in water and is not recommended for swimming or heavy water exposure.
Troubleshooting
If you encounter issues with your headset, refer to the following common problems and solutions:
| Problem | Solution |
|---|---|
| Headset does not power on. | Ensure the headset is fully charged. Press and hold Button 1 for 3 seconds. |
| Cannot pair with device. | Ensure headset is in pairing mode (LED flashes blue/red). Check Bluetooth is enabled on your device. Move headset closer to the device (within 10 meters). Try restarting both devices. |
| No sound or low volume. | Check the volume levels on both the headset and your connected device. Ensure the headset is properly connected. |
| Microphone is not working. | Ensure the detachable boom microphone is securely attached. Check if the microphone is muted (short press Button 3 to unmute). Verify microphone settings on your connected device. |
| Short battery life. | Ensure the headset is fully charged before use. Battery life can vary based on volume level and usage. |
Specifications
Detailed technical specifications for the Seflorgo G9 Trucker Bluetooth Headset:
| Model Name | G9 Headset |
| Connectivity Technology | Wireless (Bluetooth 5.3) |
| Bluetooth Range | 10 Meters |
| Ear Placement | Open Ear |
| Form Factor | Open-ear |
| Noise Control | Active Noise Cancellation (DSP for mic) |
| Sensitivity | 121 dB |
| Impedance | 20 Ohm |
| Frequency Range | 20 Hz - 20,000 Hz |
| Audio Driver Size | 15.4 Millimeters |
| Charging Time | 1.5 Hours |
| Battery Life (Working) | Up to 12 hours |
| Battery Life (Standby) | Up to 200 hours |
| Water Resistance Level | IPX5 (Waterproof) |
| Item Weight | 90 Grams (3.17 ounces) |
| Product Dimensions | 4 x 3 x 1 inches |
| Material | Acrylonitrile Butadiene Styrene (ABS), Plastic, Silicone |
| Compatible Devices | Multiple Devices (Phone, PC, Computer, Laptop, Tablet, iPad, etc.) |
Warranty and Support
Warranty Information
For specific warranty details, please refer to the warranty card included with your product or contact the seller directly. Warranty terms typically cover manufacturing defects for a specified period from the date of purchase.
Customer Support
If you require further assistance, have questions not covered in this manual, or need technical support, please contact Seflorgo customer service through the retailer where you purchased the product or visit the official Seflorgo brand store online.