1. Introduction
Thank you for choosing the Lenovo Thinkplus TH10 / LP40 TWS Stereo Bluetooth Headphones. This manual provides essential information for setting up, operating, and maintaining your headphones to ensure a high-quality audio experience. Please read this manual carefully before use.
2. Product Overview
The Lenovo Thinkplus TH10 / LP40 headphones are designed for versatile use, offering both wireless Bluetooth and wired audio connections. They feature comfortable earcups, intuitive controls, and a robust battery life for extended listening and gaming sessions.
3. Setup
3.1 Charging the Headphones
- Connect the provided charging cable to the charging port on the headphones.
- Plug the other end of the charging cable into a USB power source (e.g., computer USB port, wall adapter).
- The indicator light will show charging status (refer to LED indicator section for details).
- Once fully charged, disconnect the charging cable.
3.2 Bluetooth Pairing
- Ensure the headphones are powered off.
- Press and hold the power button until the indicator light flashes, indicating pairing mode.
- On your device (smartphone, tablet, computer), enable Bluetooth and search for available devices.
- Select "Lenovo TH10" or "Lenovo LP40" from the list of devices.
- Once connected, the indicator light will change (refer to LED indicator section).
3.3 Wired Connection
- Insert one end of the 3.5mm audio cable into the audio jack on the headphones.
- Plug the other end of the audio cable into the 3.5mm audio output of your device.
- The headphones will automatically switch to wired mode.
4. Operating Instructions
4.1 Basic Controls
- Power On/Off: Press and hold the power button.
- Play/Pause: Press the Play/Pause button once.
- Volume Up/Down: Press the '+' or '-' buttons.
- Next Track: Press and hold the '+' button.
- Previous Track: Press and hold the '-' button.
- Answer/End Call: Press the Play/Pause button once.
- Reject Call: Press and hold the Play/Pause button.
- Activate Voice Assistant: Double-press the Play/Pause button.
4.2 Wearing the Headphones
Adjust the headband to fit comfortably over your head. The earcups are designed with skin-friendly materials for long-term wear without pressure. The headphones feature a telescopic folding design for easy storage and portability.
5. Maintenance
- Keep the headphones clean and dry. Avoid exposure to extreme temperatures or humidity.
- Clean the earcups and headband with a soft, dry cloth. Do not use harsh chemicals or abrasive materials.
- Store the headphones in a protective case when not in use to prevent damage.
- Avoid dropping or subjecting the headphones to strong impacts.
6. Troubleshooting
- No Power: Ensure the headphones are fully charged.
- Cannot Pair via Bluetooth: Make sure the headphones are in pairing mode (flashing indicator light) and within range of your device. Forget the device on your phone and try pairing again.
- No Sound: Check the volume levels on both the headphones and your connected device. Ensure the correct audio output is selected on your device. If using a wired connection, ensure the cable is fully inserted.
- Poor Sound Quality: Ensure the headphones are fully charged. Move closer to your Bluetooth device to avoid interference. Try a different audio source or file.
- Microphone Not Working: Ensure the microphone is not muted on your device or application. Check privacy settings on your device to allow microphone access for the headphones.
7. Specifications
| Feature | TH10 | LP40 |
|---|---|---|
| Brand Name | Lenovo | |
| Style | Headphone | |
| Vocalism Principle | Dynamic | |
| Communication | Wireless+Wired | |
| Wireless Type | Bluetooth | |
| Bluetooth Version | 5.0 | 5.0 |
| Bluetooth Effective Distance | 10-15m | Up to 10 meters |
| Driver Diameter | 40mm | 13mm pronunciation unit |
| Frequency Response Range | 20 - 20000 Hz | N/A |
| Sensitivity | 96dB | N/A |
| Impedance Range | over 100 Ω | N/A |
| Total Harmonic Distortion | 1% | N/A |
| Battery Capacity | 300mAh (built-in) | 230mAh (charging compartment) |
| Usage Time (Music) | 12 hours | 2.5 hours (with charging box) |
| Usage Time (Gaming) | 8-10 hours | N/A |
| Charging Time | About 2.5 hours | N/A |
| Charging Interface | USB | |
| Connectors | 3.5 MM | |
| With Microphone | Yes | |
| Active Noise-Cancellation | Yes | |
| Waterproof | Yes | |
| Earcups Type | Semi-open | |
| Headphone Pads Material | Memory Foam | |
| Material | Plastic | |
| Certification | CE, EAC, FCC | |
| Package List | User Manual, Charging Cable, Audio Cable (for LP40) | |
8. User Tips
- Comfortable Wear: The headphones are designed with skin-friendly earmuffs for comfortable, pressure-free wear, even during long sessions.
- Versatile Use: Ideal for gaming (zero delay experience), music listening (HiFi stereo, 9D surround sound), and calls (sensitive microphone, enhanced sound effects).
- Dual Mode: Remember you can switch between wireless Bluetooth and wired (3.5mm audio cable) connections based on your needs.
- Battery Life: For TH10, expect up to 12 hours of music playback or 8-10 hours of gaming. For LP40, expect 2.5 hours of usage with the charging box.
- Compatibility: These headphones are compatible with a wide range of devices, including mobile phones (iPhone, Samsung, Android, iOS) and computers (Windows).
9. Warranty and Support
Lenovo Thinkplus products are officially authorized and guaranteed. For any issues or support, please refer to the warranty information provided with your purchase or contact Lenovo customer service. Keep your proof of purchase for warranty claims.
