Introduction
Thank you for purchasing the BOGASING G4 Bluetooth speaker. This manual provides detailed instructions for setting up, operating, and maintaining your speaker. Please read it thoroughly before use and keep it for future reference. For any questions or comments, please contact us by email: bogasing@hotmail.com.

BOGASING G4 Bluetooth Speaker
What's in the Box
- 1 x G4 Bluetooth speaker
- 1 x USB-C Charging Cable (Adapter Not Included)
- 1 x User Manual
- 1 x 3.5mm Aux Cable
Setup
Charging the Speaker
Before first use, fully charge your BOGASING G4 speaker. Use a 5V/2A charger with the provided USB-C cable. The battery indicator light will blink during charging and glow solid when fully charged.
Bluetooth Connection
- Power on the speaker by pressing and holding the Power button (3). The status indicator light (1) will blink alternately between red and blue, indicating it's ready to connect.
- On your device (smartphone, tablet, etc.), enable the Bluetooth feature.
- Search for and select "BOGASING-G4" from the list of available devices.
- Once connected, you will hear a prompt tone, and the status indicator light will glow solid blue.

Reliable Bluetooth 5.3 connection for seamless audio streaming.
True Wireless Stereo (TWS) Pairing
For an immersive stereo experience, you can pair two BOGASING G4 speakers together:
- Ensure both speakers are powered on and disconnected from any other Bluetooth devices.
- On one of the speakers, quickly double-press the Power button (3) to enter TWS pairing mode.
- After the two speakers successfully pair, you will hear a prompt tone. The status indicator light on the primary speaker will blink, while the secondary speaker's light will glow solid.
- Now, enable Bluetooth on your mobile device and connect to "BOGASING-G4".
- The speakers will automatically enter TWS mode upon subsequent power-ons, without needing to re-pair.
- If a speaker was previously paired with other devices, press and hold the Mode/Reset button (4) to clear its pairing list before attempting TWS pairing.

Pair two G4 speakers for a powerful stereo sound experience.
Operation
Basic Controls
| Button | Operation | Function |
|---|---|---|
| Power (3) | Press and hold | Turn ON/OFF |
| Power (3) | Press twice quickly | Enter TWS mode |
| Power (3) | Press | Switch sound effect modes (3D, Vocal, Super Bass) |
| Mode (4) | Press | Switch playing modes (Bluetooth, Aux-in, USB-C, TF-card) |
| Mode (4) | Press and hold | Clear all paired devices / Restore factory settings |
| Play/Pause (5) | Press | Play/Pause, Answer/End a call |
| Play/Pause (5) | Press twice quickly | Call back last call |
| Play/Pause (5) | Press and hold (2s) | Decline incoming call |
| Play/Pause (5) | Press and hold (3s) | Disconnect Bluetooth device |
| Volume Down (6) | Press | Volume down (16 levels) |
| Volume Down (6) | Press and hold | Previous track |
| Volume Up (7) | Press | Volume up (16 levels) |
| Volume Up (7) | Press and hold | Next track |
Sound Effects
The BOGASING G4 offers three distinct sound effects:
- 3D Stereo: Indicated by a solid blue light.
- Vocal: Indicated by a solid red light.
- Super Bass: Indicated by a solid green light.
Press the Power button (3) to cycle through these modes. The speaker remembers the last used sound effect.

Choose from 3D Stereo, Vocal, or Super Bass modes.
Multiple Play Modes
- Bluetooth Mode: Connect wirelessly as described in the Setup section.
- Wired Connection (AUX-IN): Connect your device using the 3.5mm AUX cable to the Aux-in port (10). The speaker will automatically switch to AUDIO IN mode.
- TF Card Playback: Insert a TF card (up to 128GB) into the TF-card slot (9). The speaker supports MP3, FLAC, APE, and WAV formats and will automatically play audio files in sequence.
- USB-C Playback: Connect a device via the USB-C port (8) for audio playback.
If Bluetooth is connected and you plug in an AUX or USB-C cable, the play mode will automatically switch. Press the Mode button (4) to switch between available play modes.
Hands-Free Calling
When in TWS mode, only the main speaker will function for hands-free calling. The secondary speaker will not produce sound during a call.
Maintenance
Battery Care
- If the speaker has been exposed to high or low temperatures, allow it to return to room temperature before charging.
- If the speaker has not been used for a long time or the battery is completely exhausted, charge it for at least 20 minutes to activate the battery.
- For long-term storage, charge the speaker every three months to maintain battery health.
General Care
The BOGASING G4 features a robust and durable design with a grille and silicone exterior, making it resistant to drops and corrosion. It is IPX7 waterproof, providing protection from water immersion up to 1 meter for 30 minutes. Ensure all ports are securely closed when exposed to water.

IPX7 waterproof for fearless outdoor entertainment.
Troubleshooting
| Problem | Solution |
|---|---|
| Speaker does not charge |
|
| Speaker does not connect with mobile device |
|
| No sound or abnormal volume |
|
| Stuck in Bluetooth mode while playing |
|
| Cannot play in TF card mode |
|
| Speaker cannot be operated | Press and hold the Power button (3) for 10 seconds to force a shutdown. |
| Other issues | Contact BOGASING customer service at: bogasing@hotmail.com. |
Specifications

BOGASING G4 Speaker dimensions.
| Feature | Specification |
|---|---|
| Model | G4 |
| Bluetooth Version | 5.3 |
| Bluetooth Range | Up to 18m/60ft (Unobstructed) |
| Output Power | 50W |
| Battery Capacity | 8000mAh |
| Playtime | Up to 24 hours (at 10%-30% volume) |
| Waterproof Rating | IPX7 |
| Frequency Response | 48Hz-20KHz |
| Input Power | 5V 2A |
| Charging Time | 3-4 hours |
| Dimensions (L x W x H) | 225mm x 64mm x 86mm (8.86 x 2.52 x 3.39 inches) |
| Weight | 830g |
| Sound Mode | Extra Bass Mode, 3 EQ Modes (3D Stereo, Vocal, Super Bass) |
| Input/Output | AUX, USB-C, TF Card |
| Built-in Microphone | Yes |
| Material | Plastic (Cabinet), Metal (Subwoofer cabinet) |
Warranty & Support
Dear customer, thank you for purchasing our products. Please keep your warranty card properly for future service. For any support or inquiries, please contact BOGASING customer service at bogasing@hotmail.com.
User Tips
- Portability: While the G4 is portable, consider additional carrying accessories like a strap if you plan to carry it on your shoulder for extended periods.
- Durability: The speaker's robust grille and silicone exterior are designed to withstand various conditions, including minor impacts and corrosion.
- USB-C Port Functionality: The USB-C port is primarily for charging the speaker and for audio input. It is not designed for connecting external microphones for voice input.
- Optimal Sound: Experiment with the three sound effects (3D Stereo, Vocal, Super Bass) to find the best audio profile for your music and environment.






