Boltune BT-BH023 Active Noise Cancelling True Wireless Stereo Earbuds User Guide
IMPORTANT SAFETY INSTRUCTIONS
Hearing Safety
- Do not wear earbuds with high volume for a long time to avoid damaging your hearing.
- Set the earbuds to low volume before you put them on, then increase the volume gradually as per your preference.
- Do not set volume too high to stay aware of your surroundings.
- Please refer to local laws and regulations if you want to answer phone calls via this device during driving.
- For your safety, avoid distraction from music or phone calls when you are driving or doing other activities with potential dangers.
Caution
- Do not expose this product to high temperatures.
- Do not immerse the earbuds into water or expose them to humidity for a long time.
- Do not clean the product with detergent containing alcohol, ammonia, benzene or abrasives.
- Avoid dropping.
- Place the earbuds back into the charging case when not in use and keep it away from children and pets to avoid choking hazard.
PACKAGE CONTENTS
- Boltune ANC True Wireless Stereo Earbuds (BT-BH023)
- 6 x Ear Tips (two are equipped on the earbuds)
- 1 x USB-C Charging Cable
- 1 x User Guide
- 1 x Quick Start Guide
PRODUCT DIAGRAM
- Multifunction Touch Control
- LED Indicator
- Microphone
- Noise-cancelling Microphone
- Charging Contacts
- USB-C Charging Port
- Charging Case
- Charging Indicator
- Charging Slot
HOW TO WEAR
Choose the Right Tips
Ear tips with different sizes are included in the package, try all sizes and choose the ones fitting you best.
Wear the Earbuds
Bluetooth Caution
- When the device is connected wirelessly to another device, place the two devices close to each other to achieve their normal functionalities and avoid possible signal interference.
- When using a wireless connection, make sure there are no obstacles between the two devices. Obstacles including walls and fences may shorten the effective range.
- The maximum effective Bluetooth range may vary with the environmental circumstances.
USING YOUR EARBUDS
Charging the Earbuds
- Put the earbuds into the charging case as per the L (left) and R (right) marks (Fig. 5).
- Cover the lid and charging will start automatically (Fig. 6).
Charging the Charging Case
- Connect the charging port with any USB charging adapter or active computer USB port (Fig. 7).
- The charging indicators will light up progressively.
Power On
Uncover the lid and they will power on automatically
Power Off
Put the earbuds into the charging case and close the lid, they will turn off automatically
OPERATION AND FUNCTIONS
| Function | Operation | Voice Prompt |
| Play / Pause | Tap the Touch Control on either of the earbuds twice | / |
| Volume + | Tap the Touch Control on the right earbud | Toots when highest setting is reached |
| Volume – | Tap the Touch Control on the left earbud | / |
| Next Track | Tap the Touch Control on the right earbud three times |
| Previous Track | Tap the Touch Control on the left earbud three times | |
| Answer Phone Call | Tap the Touch Control on either of the earbuds once | / |
| Hang Up Phone Call | Tap and hold the Touch Control on either of the earbuds for 2 seconds | / |
| Decline an Incoming Call | Tap and hold the Touch Control on either of the earbuds for 2 seconds | Call rejected |
| Turn On / Off ANC Function | Only available when in pairing mode or already paired in Couple Earbuds Mode: Tap and hold the Touch Control on the left earbud for 2 seconds | Toot |
|
Turn On / Off Voice Control | Couple Earbuds Mode: Tap and hold the Touch Control on the right earbud for 2 seconds Single Earbud Mode: Tap and hold the Touch Control on the left earbud for 2 seconds |
Toot |
| Clear Pairing List | Refer to the “Clear Pairing List” section | / |
| Go into Pairing Mode | Refer to the “Pairing” section | Pairing |
| Successfully paired with your device | / | Connected |
| Bluetooth out of Range / Failed to pair with your device | / | Disconnected |
CLEANING AND MAINTENANCE
- Clean the earbuds and the charging case on a regular basis.
- Use dry and soft cotton cloth to wipe the unit.
- Keep away from sharp objects to avoid scratches.
- Put the unit in a dry and shady place if it is to be idle for a long time.
- Do not clean the product with detergent or chemicals.
TROUBLESHOOTING
| No. | Problem | Solution |
| 1 | Failed to turn on the earbuds | Earbuds low battery, please charge them |
| 2 | Failed to charge the earbuds |
|
| 3 | Can’t charge the charging case | Make sure the charging cable is intact and plugged in properly |
|
4 |
Can’t find “Boltune BT-BH023” in the Bluetooth device list | The earbuds reconnected with previously paired device automatically:
|
| 5 | Failed to pair the earbuds with your device |
|
| 6 | Failed to use a single earbud | As instructed in Single Earbud Mode, make sure both earbuds are paired with your device before using a single earbud. |
|
7 | No sound in one of the earbuds in couple earbuds mode | If pairing failed, restore them back to the factory settings as instructed in the “Clear Pairing List” section |
|
8 |
Poor sound quality |
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| 9 | Unstable connection |
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