1. Introduction
Thank you for purchasing the ELECOM LBT-TWS17PN Wireless Earphones. These semi-open type Bluetooth 5.3 earphones offer a compact design, comfortable fit, and clear sound with AAC codec support. This manual provides essential information for setting up, operating, and maintaining your earphones.
Image 1: The ELECOM LBT-TWS17PN wireless earphones and their charging case.
2. Setup
2.1. Initial Pairing
- Ensure your earphones are charged (refer to Section 2.2).
- Open the charging case. The earphones will automatically enter pairing mode.
- On your device (smartphone, tablet, PC), enable Bluetooth and search for available devices.
- Select "LBT-TWS17PN" from the list to connect.
- After the initial registration, the earphones will automatically pair with your device simply by taking them out of the charging case.
Image 2: Illustration of the automatic pairing process when removing earphones from the case.
2.2. Charging
The earphones and charging case are powered by rechargeable lithium-ion batteries. Use the provided USB charging cable (USB-A to USB Type-C™) to charge the case.
- Earphones: Approximately 1.5 hours for a full charge.
- Charging Case: Approximately 2 hours for a full charge.
- The charging case features an LED indicator to show the battery status and charging level.
- When connected to a smartphone, the earphone battery level can be checked on the smartphone screen.
Image 3: The charging case connected via USB Type-C cable, showing the LED indicator for battery status.
3. Operating the Earphones
3.1. Wearing the Earphones
These earphones are a semi-open type, designed to reduce pressure on your ears and allow you to hear ambient sounds and conversations. Their ergonomic design and lightweight construction (approx. 3.3g per earbud) ensure a comfortable fit.
Image 4: A user demonstrating the comfortable and lightweight fit of the earphones.
3.2. Touch Controls
The earphones feature touch sensors for seamless and shock-free operation. This design prevents the earphones from shifting in your ear during use.
- Volume Adjustment: Tap the touch sensor to adjust volume.
- Track Control: Tap to skip tracks.
- Call Management: Answer or end calls.
- Voice Assistant: Activate Siri or Google Assistant with a tap.
3.3. Single-Ear Use
Both the left and right earphones can be used independently. If using only one earphone, ensure the other earphone is powered off or stored in the charging case.
3.4. Low Latency Mode
The low latency mode minimizes the delay between video and audio, providing a more synchronized experience for watching videos or playing games.
3.5. Voice AI Support
The earphones support voice AI assistants like Siri and Google Assistant. You can easily activate them via the touch sensor to control music, adjust volume, and more using voice commands. Note that for calls and voice AI, the microphone on either the left or right earphone will be active.
4. Maintenance
To ensure the longevity and optimal performance of your ELECOM LBT-TWS17PN Wireless Earphones, follow these maintenance guidelines:
- Cleaning: Regularly wipe the earphones and charging case with a soft, dry cloth. Avoid using harsh chemicals or abrasive materials.
- Storage: When not in use, store the earphones in their charging case to protect them from dust and damage.
- Battery Care: The built-in lithium-ion batteries are equipped with overcharge and over-discharge protection. To prolong battery life, avoid fully draining the battery frequently and store the device with some charge if not used for extended periods.
- Temperature: Avoid exposing the earphones to extreme temperatures (hot or cold) or high humidity.
5. Troubleshooting
If you encounter issues with your earphones, please refer to the following common solutions:
- No Sound or Intermittent Sound:
- Ensure the earphones are fully charged.
- Check that the earphones are properly paired with your device. Try re-pairing if necessary.
- Verify that the volume on both your device and the earphones is turned up.
- Move closer to your connected device to ensure you are within the maximum communication distance (approx. 10m without obstacles).
- Restart your device and the earphones.
- Earphones Not Pairing:
- Make sure Bluetooth is enabled on your device.
- Ensure the earphones are in pairing mode (taken out of the case).
- Forget the device from your phone's Bluetooth settings and try pairing again.
- Ensure no other Bluetooth devices are interfering with the connection.
- One Earphone Not Working:
- Place both earphones back into the charging case, close the lid, wait a few seconds, then take them out again.
- Ensure both earphones are charged.
- Try re-pairing the earphones with your device.
- Low Volume:
- Adjust the volume on both the earphones via touch control and on your connected device.
- Ensure the earphones are properly seated in your ears.
If the issue persists after trying these steps, please contact ELECOM customer support.
6. Specifications
| Feature | Specification |
|---|---|
| Communication Method | Bluetooth Standard Version 5.3 |
| Output | Bluetooth Power Class 2 |
| Maximum Communication Distance | Approx. 10m (without obstacles) |
| Frequency Band | 2.4GHz band |
| Modulation Method | FHSS (Frequency Hopping Spread Spectrum) |
| Supported Bluetooth Profiles | A2DP, AVRCP, HFP |
| A2DP Supported Codecs | SBC, AAC |
| A2DP Content Protection | SCMS-T |
| Maximum Registered Devices | 8 units |
| Multipoint (Simultaneous Standby) | Not supported |
| Playback Frequency Range (A2DP) | 20-20,000Hz |
| Continuous Playback Time | Approx. 5.5 hours (Approx. 22 hours with charging case) |
| Continuous Standby Time | Max. approx. 40 hours |
| Power Source | Rechargeable lithium-ion battery |
| Rated Voltage | DC5V |
| Charging Time (Earphones) | Approx. 1.5 hours |
| Charging Time (Case) | Approx. 2 hours |
| Microphone Type | MEMS type |
| External Dimensions (Earphone, per ear) | Approx. 18mm × 18mm × 31mm |
| External Dimensions (Charging Case) | Approx. 56mm × 22mm × 55mm |
| Weight (Earphone, per ear) | Approx. 3.3g |
| Weight (Charging Case) | Approx. 28g |
| Color | Pink |
| Headphone Type | Semi-open type |
| Driver Unit | φ14.2mm Full Range Dynamic Driver (Micro ETEM Driver) |
| Included Accessories | Charging case, USB charging cable (USB-A to USB Type-C™) |
7. Warranty and Support
Your ELECOM LBT-TWS17PN Wireless Earphones come with a 1-year warranty from the date of purchase.
For product inquiries, technical support, or warranty claims, please visit the official ELECOM homepage or contact their customer service department. Please retain your proof of purchase for warranty purposes.
Official ELECOM Website: https://www.elecom.co.jp/
