1. Introduction
Thank you for choosing Grundig Wireless Earbuds. This manual provides essential information for the safe and efficient use of your new Bluetooth headphones. Please read it carefully before use and retain it for future reference.
Package Contents:
- Grundig Wireless Earbuds (Left and Right)
- Charging Case
- USB-C Charging Cable (50 cm)
- Instruction Manual

Image 1.1: Grundig Wireless Earbuds and Charging Case. The earbuds are shown inside the open charging case.
2. Safety Information
- Hearing Protection: Avoid listening at high volume levels for extended periods to prevent hearing damage.
- Driving Safety: Do not use earbuds while driving or cycling in situations where it could distract you from your surroundings.
- Charging: Use only the provided USB-C cable and a compatible power source for charging. Do not attempt to charge with damaged cables or in wet conditions.
- Water Exposure: These earbuds are not waterproof. Avoid exposure to water, rain, or excessive moisture.
- Disassembly: Do not attempt to disassemble, repair, or modify the earbuds or charging case. This will void the warranty and may cause damage.
- Children: Keep out of reach of children. Small parts may pose a choking hazard.
3. Setup
3.1 Charging the Earbuds and Case
Before first use, fully charge the charging case and earbuds.
- Connect the supplied USB-C cable to the charging port on the case and to a USB power adapter (not included) or a computer's USB port.
- The charging indicator on the case will show charging status.
- Place the earbuds into their respective slots in the charging case. They will begin charging automatically.
- A full charge for the earbuds and case takes approximately 1.5 hours.
Once fully charged, the earbuds provide up to 3 hours of playback time.

Image 3.1: The Grundig charging case in a closed position, ready for charging or transport.

Image 3.2: The Grundig charging case open, showing the earbuds nestled inside their charging slots.
3.2 Pairing with a Bluetooth Device
The earbuds use Bluetooth version 5.3 for a stable connection up to 10 meters.
- Ensure the earbuds are charged and placed in the charging case.
- Open the charging case. The earbuds will automatically enter pairing mode.
- On your smartphone, tablet, or laptop, enable Bluetooth and search for available devices.
- Select "Grundig Earbuds" (or similar name) from the list of devices.
- Once connected, you will hear an audible confirmation, and the earbuds will be ready for use.
- The earbuds will automatically reconnect to the last paired device when taken out of the case, if Bluetooth is enabled on the device.
4. Operating the Earbuds
The Grundig Wireless Earbuds feature touch controls for easy management of music and calls.
4.1 Music Playback Controls
- Play/Pause: Single tap on either earbud.
- Next Track: Double-tap the right earbud.
- Previous Track: Double-tap the left earbud.
- Volume Up/Down: Triple-tap either earbud to adjust volume.
4.2 Call Management
- Answer/End Call: Single tap on either earbud.
- Reject Call: Press and hold either earbud for 2 seconds.
4.3 Wearing the Earbuds
These in-ear earbuds are designed to fit comfortably and provide passive noise reduction by sealing the ear canal.
- Gently insert each earbud into your ear canal.
- Adjust for a snug and comfortable fit. A proper seal enhances sound quality and bass response.

Image 4.1: Side view of the Grundig Wireless Earbuds, highlighting their ergonomic in-ear design.

Image 4.2: Back view of the Grundig Wireless Earbuds, showing the touch control area.
5. Maintenance
5.1 Cleaning
- Regularly clean the earbuds and charging case with a soft, dry, lint-free cloth.
- Do not use abrasive cleaners, alcohol, or chemical solvents.
- Ensure charging contacts on both earbuds and case are clean and dry.
5.2 Storage
- When not in use, store the earbuds in their charging case to protect them and keep them charged.
- Store in a cool, dry place away from extreme temperatures and direct sunlight.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Earbuds not pairing | Earbuds not in pairing mode, Bluetooth off on device, out of range. | Ensure earbuds are in case and open lid. Turn Bluetooth off/on on your device. Move closer to the device. |
| No sound | Volume too low, not connected, media paused. | Increase volume on earbuds and device. Check Bluetooth connection. Play media. |
| Earbuds not charging | Charging cable or port issue, dirty contacts. | Ensure cable is securely connected. Clean charging contacts on earbuds and case. Try a different USB port or adapter. |
| Poor sound quality | Poor fit, interference, low battery. | Adjust earbuds for a snug fit. Move away from sources of interference. Charge earbuds fully. |
7. Specifications
| Brand | GRUNDIG |
| Model Name | Earbuds TWS 200mAh |
| Model Number | 8711252272450 |
| Color | Black |
| Ear Placement | In-ear |
| Form Factor | In-ear |
| Noise Control | Passive Noise Reduction |
| Connectivity Technology | Wireless |
| Wireless Communication | Bluetooth 5.3 |
| Earbud Battery Capacity | 25 mAh (per earbud) |
| Charging Case Battery Capacity | 80 mAh |
| Charging Port | USB-C |
| Charging Cable Length | 50 cm |
| Charging Time | Approx. 1.5 hours |
| Playback Time | Up to 3 hours |
| Standby Time | 300 hours |
| Bluetooth Range | 10 meters |
| Frequency Response Range | 2402 – 2480 MHz |
| Sensitivity | 95±3dB |
| Microphone | Integrated |
| Speaker Size | 13 mm |
| Impedance | 32 Ω ±15 % |
| Item Weight | 26 Grams |
| Material | Silicone Rubber |
8. Warranty and Support
Grundig products are designed and manufactured to the highest quality standards. In the unlikely event of a problem with your product, please refer to the warranty information provided at the point of purchase or contact your local Grundig customer support for assistance.
For further support, visit the official Grundig website or contact your retailer.