1. Introduction
Thank you for choosing the Lenovo TWS Earphones A2. These true wireless stereo (TWS) earphones are designed to provide a high-quality audio experience with advanced features such as Bluetooth 5.4 connectivity, active noise reduction, and intuitive touch controls. Enjoy crystal-clear sound, comfortable wear, and long-lasting battery life for your music, calls, and active lifestyle.
Figure 1: Lenovo TWS Earphones A2
2. Package Contents
Please check the package carefully to ensure all items are present:
- 1x Lenovo TWS Bluetooth Headphones (A2)
- 1x Charging Case
- 1x User Manual (this document)
- 1x USB Type-C Charging Cable
3. Specifications
Figure 2: Parameter Specification
| Feature | Description |
|---|---|
| Model Name | A2 |
| Brand | Lenovo |
| Category | Earphones & Headphones |
| Material | ABS |
| Communication | True Wireless (TWS) |
| Wireless Type | Bluetooth |
| Bluetooth Version | 5.4 (Dual-core chip, backward compatible with 5.3) |
| Vocalism Principle | Dynamic |
| Diaphragm | 13mm High Polymer Large Diaphragm, 12mm Ti film moving coil |
| Impedance Range | Up to 32 Ω |
| Codecs | AAC |
| Microphone | Yes (Integrated, dual-mic for ENC) |
| Active Noise-Cancellation | Yes (ENC Intelligent Noise Reduction) |
| Control | Touch Control Buttons, Volume Control |
| Waterproof Rating | IPX6 |
| Wearing Style | Half-in-ear, lightweight and comfortable |
| Single Ear Battery Life | 3-4 hours |
| Total Playtime (with case) | Up to 24 hours (36-hour long battery life mentioned in some contexts) |
| Charging Time | Approx. 1.5 hours for full charge |
| Quick Charge | 10-minute quick charge provides additional playtime |
| Charging Interface | Type-C |
| Communication Range | About 15 meters (unobstructed) |
| Compatibility | Bluetooth-enabled devices (iOS 9.0/Android 5.0 or later) |
| Certifications | CE, FCC, RoHS |
| Origin | Mainland China |
Figure 3: Premium Features Overview
Figure 4: Diaphragm and Battery Features
4. Setup
4.1. Charging the Earphones and Case
Before first use, fully charge the earphones and the charging case.
- Place the earphones into the charging case.
- Connect the Type-C charging cable to the charging port on the case and plug the other end into a USB power source (e.g., wall adapter, computer USB port).
- The indicator lights on the charging case will show the charging status. Once fully charged (approx. 1.5 hours), the lights will indicate completion.
- A 10-minute quick charge can provide additional playtime when you're in a hurry.
4.2. Pairing with a Device
The earphones support Bluetooth 5.4 for a stable and efficient connection.
- Ensure the earphones are charged and placed inside the charging case.
- Open the charging case lid. The earphones will automatically enter pairing mode (indicator lights may flash).
- On your device (smartphone, tablet, laptop), go to Bluetooth settings and turn Bluetooth on.
- Search for available devices. You should see "Lenovo A2" or a similar name appear in the list.
- Select "Lenovo A2" to connect. Once connected, a voice prompt will confirm successful pairing, and the indicator lights will stop flashing.
- For subsequent use, the earphones will automatically connect to the last paired device when taken out of the case.
4.3. Wearing the Earphones
The A2 earphones feature a half-in-ear design for a light and comfortable fit.
- Gently insert each earphone into your ear canal.
- Adjust the angle for a secure and comfortable fit.
5. Operating Instructions
Figure 5: One Touch Control Guide
5.1. Power On/Off
- Power On: Open the charging case lid, and the earphones will automatically power on.
- Power Off: Place the earphones back into the charging case and close the lid. They will automatically power off and begin charging.
5.2. Touch Controls
The earphones feature smart fingerprint touch controls for easy operation:
- Play/Pause Music: Single-click the touch area on either earphone.
- Answer/End Call: Single-click the touch area on either earphone during an incoming call or active call.
- Reject Call: Long press the touch area on either earphone during an incoming call.
- Next Song: Double-click the touch area on the right earphone.
- Previous Song: Double-click the touch area on the left earphone.
- Volume Up: Long press the touch area on the right earphone.
- Volume Down: Long press the touch area on the left earphone.
- Activate Voice Assistant (Siri/Google Assistant): Triple-click the touch area on either earphone.
- Noise Cancelling Switch: (If applicable, refer to specific model features)
5.3. Making and Receiving Calls
The earphones feature an integrated microphone for clear hands-free calls. They support automatic stereo-mono mode switching for a natural call experience.
- Answering Calls: Single-click the touch area on either earphone.
- Ending Calls: Single-click the touch area on either earphone.
- Rejecting Calls: Long press the touch area on either earphone.
5.4. Music Playback
Experience 9D sound quality with a composite diaphragm moving coil unit, delivering rich and authentic audio. The earphones also support HiFi lossless sound effects.
- Play/Pause: Single-click the touch area.
- Next Track: Double-click the right earphone.
- Previous Track: Double-click the left earphone.
- Volume Adjustment: Long press right for volume up, long press left for volume down.
6. Maintenance
To ensure the longevity and optimal performance of your Lenovo TWS Earphones A2, please follow these maintenance guidelines:
- Cleaning: Regularly clean the earphones and charging case with a soft, dry, lint-free cloth. Do not use harsh chemicals, cleaning solvents, or strong detergents.
- Storage: When not in use, store the earphones in their charging case to protect them from dust and damage. Keep them in a cool, dry place away from extreme temperatures.
- Water Resistance: The earphones are IPX6 waterproof, meaning they are resistant to high-pressure, heavy sprays of water. However, they are not designed for submersion. Avoid prolonged exposure to water and do not wear them while swimming or showering. Ensure they are dry before placing them back in the charging case.
- Battery Care: To preserve battery life, avoid fully discharging the earphones and charging case frequently. Charge them regularly, even if not in constant use.
- Avoid Impact: Do not drop, hit, or expose the earphones to strong impacts, as this can damage internal components.
7. Troubleshooting
If you encounter any issues with your earphones, try the following solutions:
| Problem | Possible Solution |
|---|---|
| Earphones not turning on | Ensure the earphones and charging case are fully charged. Place earphones in the case and open the lid. |
| Cannot pair with device | 1. Ensure Bluetooth is enabled on your device. 2. Make sure earphones are in pairing mode (open case lid). 3. Forget/delete "Lenovo A2" from your device's Bluetooth list and try pairing again. 4. Ensure earphones are within 15 meters of your device. |
| No sound or low volume | 1. Check volume levels on both earphones and your connected device. 2. Ensure earphones are properly connected to your device. 3. Try re-pairing the earphones. 4. Clean any debris from the earphone speakers. |
| Intermittent connection | 1. Ensure there are no obstructions between the earphones and your device. 2. Move closer to your device. 3. Avoid environments with strong Wi-Fi or other wireless interference. 4. Ensure your device's Bluetooth is stable. |
| Earphones not charging | 1. Ensure the charging cable is securely connected to both the case and the power source. 2. Try a different USB port or charging adapter. 3. Clean the charging contacts on the earphones and inside the case. |
| Touch controls not responding | 1. Ensure your fingers are clean and dry. 2. Try restarting the earphones by placing them in the case and closing/opening the lid. 3. Ensure the earphones are properly seated in your ears. |
8. User Tips
- For the best audio experience, ensure the earphones fit snugly in your ears to maximize sound quality and noise reduction.
- Regularly update your device's operating system and Bluetooth drivers to ensure compatibility and optimal performance.
- If you experience any latency during gaming, ensure your device is running the latest Bluetooth version and is in close proximity to the earphones.
- Experiment with different volume levels on both your device and the earphones to find your preferred listening experience.
9. Warranty and Support
Lenovo products are designed for reliability and performance. For information regarding warranty coverage, technical support, or service, please refer to the warranty card included with your purchase or visit the official Lenovo support website. Keep your proof of purchase for any warranty claims.
