1. Introduction
This manual provides comprehensive instructions for the Altec Lansing True Evo+ Wireless In-Ear Headphones, model MZX659-KIT-BB. It covers product setup, operation, maintenance, and troubleshooting to ensure optimal performance and user experience. Please read this manual thoroughly before using your new headphones.
2. Product Components
The Altec Lansing True Evo+ system includes the following main components:
- Left Earbud
- Right Earbud
- Charging Carry Case
- USB Charging Cable (typically included)
- Multiple ear tip sizes (typically included)

Figure 2.1: True Evo+ Wireless Earbuds securely placed within their charging case. The case features LED indicators for battery status.

Figure 2.2: Detailed view of the left and right True Evo+ earbuds, highlighting their ergonomic design and control surfaces.
3. Setup
3.1 Charging the Device
Before initial use, fully charge the True Evo+ earbuds and their charging case.
- Place both earbuds into the charging case. Ensure they are seated correctly to make contact with the charging pins.
- Connect the charging case to a power source using the provided USB cable. The LED indicators on the case will illuminate to show charging status.
- Alternatively, place the charging case on a QI-compatible wireless charging pad for wireless charging.
- A full charge provides approximately 4 hours of earbud playback, with the case offering up to 4 additional charges.

Figure 3.1: The charging case with one earbud removed, showing the charging contacts and the remaining earbud.
3.2 Bluetooth Pairing
To connect your True Evo+ earbuds to a device:
- Remove both earbuds from the charging case. They will automatically enter pairing mode.
- On your smartphone, tablet, or other Bluetooth-enabled device, navigate to the Bluetooth settings.
- Select "Altec Lansing True Evo+" from the list of available devices.
- Once connected, a confirmation sound will play, and the earbuds will be ready for use.
- The earbuds will automatically reconnect to the last paired device when removed from the case, if Bluetooth is enabled on the device.
4. Operation
4.1 Power On/Off
- Power On: Remove earbuds from the charging case. They will power on automatically.
- Power Off: Place earbuds back into the charging case. They will power off automatically and begin charging.
4.2 Music Playback
Control music playback using the touch controls on the earbuds:
- Play/Pause: Single tap on either earbud.
- Next Track: Double tap the right earbud.
- Previous Track: Double tap the left earbud.
4.3 Call Management
Manage phone calls with the touch controls:
- Answer/End Call: Single tap on either earbud.
- Reject Call: Press and hold either earbud for 2 seconds.
4.4 Voice Assistant Activation
Access your device's voice assistant (Siri or Google Assistant) directly through the earbuds:
- Activate Voice Assistant: Triple tap on either earbud.
4.5 Water Resistance
The True Evo+ earbuds are IPX6 waterproof rated, meaning they are protected against high-pressure water jets from any direction. This makes them suitable for use during workouts or in rainy conditions. They can withstand immersion in water up to 1 meter for 30 minutes.

Figure 4.1: User demonstrating the Altec Lansing True Evo+ earbuds during physical activity, highlighting their secure fit and water resistance.
5. Maintenance
Proper maintenance ensures the longevity and performance of your True Evo+ headphones.
- Cleaning: Regularly wipe the earbuds and charging case with a soft, dry, lint-free cloth. Avoid using abrasive materials or harsh chemicals.
- Ear Tips: Remove ear tips periodically and clean them with a damp cloth. Ensure they are completely dry before reattaching.
- Charging Contacts: If charging issues occur, gently clean the charging contacts on both the earbuds and inside the case with a dry cotton swab.
- 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.
6. Troubleshooting
If you encounter issues with your Altec Lansing True Evo+ headphones, refer to the following common solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Earbuds not powering on | Low battery; not removed from case | Ensure earbuds are charged and removed from the charging case. |
| Earbuds not pairing | Bluetooth off; out of range; already paired to another device |
|
| Only one earbud working | Earbuds not properly synced; low battery on one earbud |
|
| Charging case not charging | Faulty cable/adapter; dirty charging port; wireless charging misalignment |
|
| Poor sound quality or intermittent connection | Interference; distance from device; low battery |
|
7. Specifications
| Feature | Detail |
|---|---|
| Model Number | MZX659-KIT-BB |
| Brand | Altec Lansing |
| Connectivity Technology | Wireless (Bluetooth) |
| Bluetooth Range | Up to 10 meters (33 feet) |
| Ear Placement | In Ear |
| Form Factor | In Ear |
| Water Resistance Level | IPX6 (Protected against high-pressure water jets) |
| Battery Life (Earbuds) | Approximately 4 hours per charge |
| Charging Case Additional Charges | Up to 4 full charges |
| Charging Method | USB Cable / QI Wireless Charging |
| Control Method | Touch |
| Voice Assistant Compatibility | Siri, Google Assistant |
| Material | Plastic |
| Item Weight | 11.9 ounces (total package weight) |
| UPC | 021331777096 |
8. Warranty and Support
Altec Lansing products are designed for durability and performance. For specific warranty information, please refer to the warranty card included with your product or visit the official Altec Lansing website. For technical support, product registration, or further assistance, please contact Altec Lansing customer service through their official channels.
Online Support: www.alteclansing.com/support/ (Example link, actual link may vary)







