1. Introduction
Thank you for choosing the Aiwa EBTW850 Black Bluetooth Earbuds. This manual provides essential information for setting up, operating, and maintaining your earbuds to ensure optimal performance and longevity. Please read this manual thoroughly before using the product.
2. Product Overview
2.1 Package Contents
- Aiwa EBTW850 Bluetooth Earbuds (Left and Right)
- Charging Case
- USB Type-C Charging Cable
- User Manual
2.2 Components and Features
The Aiwa EBTW850 earbuds are designed for wireless audio enjoyment with a focus on portability and sound quality.
Figure 2.2.1: Aiwa EBTW850 Earbuds resting in their open charging case. The earbuds are black with a glossy finish, and the case is also black, showing the charging cradles for both the left (L) and right (R) earbuds.
Figure 2.2.2: A close-up view of the two Aiwa EBTW850 earbuds. Each earbud features a sleek black design with a silver-grey accent and a blue LED indicator light. The Aiwa logo is visible on the outer surface of each earbud.
Figure 2.2.3: The Aiwa EBTW850 charging case is open, with the left earbud still in its cradle and the right earbud placed beside the case. The blue indicator lights on the earbuds are visible, and four small white LED lights on the front of the case indicate its charge level.
Figure 2.2.4: A top-down perspective of the Aiwa EBTW850 earbuds inside their open charging case. The 'L' and 'R' markings for left and right earbuds are clearly visible in their respective cradles.
Figure 2.2.5: The Aiwa EBTW850 charging case is shown closed, displaying its compact, sleek black design with the Aiwa logo prominently featured on the lid.
Figure 2.2.6: Another view of the closed Aiwa EBTW850 charging case, highlighting its smooth, rounded edges and the subtle Aiwa branding on the top surface.
Key Features:
- Wireless Bluetooth 5.0 connectivity
- IPX5 water resistance rating
- Integrated remote control
- Noise reduction
- Fast charging capability
- Omnidirectional microphone technology
- Approximate 6 hours of autonomy (earbuds)
- 400 mAh battery in charging case
3. Setup
3.1 Charging the Earbuds and Case
- Place both earbuds into the charging case. Ensure they are correctly seated in their respective cradles (L for left, R for right).
- Connect the USB Type-C charging cable to the charging port on the case and the other end to a compatible USB power source (e.g., computer USB port, wall adapter).
- The LED indicators on the case will illuminate to show the charging status. A full charge is indicated when all LEDs are solid.
- Allow approximately 1.5 to 2 hours for a full charge of the case and earbuds.
Note: It is recommended to fully charge the earbuds and case before first use.
3.2 Pairing with a Bluetooth Device
- Ensure the earbuds are charged and placed in the charging case.
- Open the charging case lid. The earbuds will automatically enter pairing mode, and their indicator lights will flash (typically blue and red, or rapidly blue).
- On your Bluetooth-enabled device (smartphone, tablet, computer), go to the Bluetooth settings.
- Turn on Bluetooth and search for available devices.
- Select "Aiwa EBTW850" from the list of found devices.
- Once connected, the earbud indicator lights will stop flashing and may turn off or show a solid blue light. A voice prompt may also confirm the connection.
- If pairing fails, close the case, wait a few seconds, and repeat the steps.
Note: The earbuds will automatically reconnect to the last paired device when removed from the case, if Bluetooth is enabled on the device.
4. Operating Instructions
4.1 Touch Controls (Assumed)
The Aiwa EBTW850 earbuds feature touch-sensitive controls on their outer surface. Specific functions may vary slightly, but common controls include:
- Play/Pause: Single tap on either earbud.
- Next Track: Double tap on the right earbud.
- Previous Track: Double tap on the left earbud.
- Answer/End Call: Single tap on either earbud during an incoming call.
- Reject Call: Press and hold either earbud for 2 seconds during an incoming call.
- Activate Voice Assistant: Triple tap on either earbud.
Refer to the quick start guide included in your package for precise touch control mapping.
4.2 Power On/Off
- Power On: Open the charging case lid, or remove the earbuds from the case. They will power on automatically.
- Power Off: Place the earbuds back into the charging case and close the lid. They will power off automatically and begin charging.
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.
- Gently remove any earwax or debris from the ear tips and speaker mesh using a small, soft brush or cotton swab.
- Ensure the charging contacts on both the earbuds and the case are clean and free of dust or debris to ensure proper charging.
5.2 Storage
- When not in use, always store the earbuds in their charging case to protect them and keep them charged.
- Store the product in a cool, dry place, away from direct sunlight and extreme temperatures.
5.3 Water Resistance (IPX5)
The Aiwa EBTW850 earbuds are rated IPX5, meaning they are protected against low-pressure water jets from any direction. This makes them suitable for use during light rain or sweaty workouts.
- Do not submerge the earbuds in water.
- Do not expose them to high-pressure water jets (e.g., from a shower or faucet).
- The charging case is NOT water-resistant. Keep the case dry.
- If the earbuds get wet, wipe them dry thoroughly before placing them back into the charging case.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Earbuds not pairing. | Earbuds not in pairing mode; Bluetooth off on device; previously paired device interfering. | Ensure earbuds are in pairing mode (open case). Turn Bluetooth off/on on your device. Forget "Aiwa EBTW850" from your device's Bluetooth list and re-pair. |
| No sound from one earbud. | Low battery; earbud not properly connected; earbud out of range. | Place both earbuds back in the case, close the lid, then reopen. Ensure both earbuds are charged. Re-pair the earbuds. |
| Charging case not charging. | Faulty cable/adapter; dirty charging port. | Try a different USB Type-C cable and power adapter. Clean the charging port on the case. |
| Poor sound quality. | Earbuds not seated correctly; low battery; interference. | Adjust earbud position in your ear. Ensure earbuds are fully charged. Move closer to your Bluetooth device. Avoid areas with strong Wi-Fi or other wireless interference. |
If the issue persists, please contact customer support.
7. Specifications
| Feature | Detail |
|---|---|
| Model Number | EBTW-850 |
| Connectivity | Bluetooth 5.0 |
| Frequency Range | 20 Hz - 20 kHz |
| Battery Capacity (Case) | 400 mAh |
| Approx. Earbud Autonomy | 6 hours |
| Water Resistance Rating | IPX5 (Earbuds only) |
| Charging Port | USB Type-C |
| Weight | 80 Grams |
| Material | Metal |
| Special Features | Noise Reduction, Integrated Remote Control, Fast Charging |
8. Warranty and Support
Aiwa provides a 2-year availability for spare parts for this product. For warranty claims or technical support, please contact your retailer or the official Aiwa customer service channel.
Please retain your proof of purchase for warranty purposes.
9. Safety Information
- Do not disassemble, repair, or modify the product. This may cause fire, electric shock, or complete damage to the product.
- Keep the product away from extreme temperatures, direct sunlight, and high humidity.
- Avoid dropping or subjecting the product to strong impacts.
- Do not use the earbuds at excessively high volumes for prolonged periods, as this may cause hearing damage.
- Keep out of reach of children and pets. Small parts may pose a choking hazard.
- Dispose of the product and its battery responsibly according to local regulations. Do not dispose of with household waste.
