User's Guide

Active Noise Cancelling
True Wireless Stereo Earbuds
Model: BT-BH023
USER GUIDE
PACKAGE CONTENTS (Fig. 1)
ｖ Boltune ANC True Wireless Stereo Earbuds (BT-BH023)
ｗ 6 x Ear Tips (two are equipped on the earbuds)
ｘ 1 x USB-C Charging Cable
ｙ 1 x User Guide
ｚ 1 x Quick Start Guide
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USER GUIDE
QUICK START GUIDE
PRODUCT DIAGRAM (Fig. 2)
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Multifunction Touch Control
LED Indicator
Microphone
Noise-cancelling Microphone
Charging Contacts
USB-C Charging Port
Charging Case
Charging Indicator
Charging Slot
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IMPORTANT SAFETY INSTRUCTIONS
Please read the instructions thoroughly before using this product and retain it
for future reference.
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.
Warning: Please set the volume to proper level to avoid hearing damages.
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.
• Unauthorized disassembly of any parts of this product is forbidden, which
may cause fire hazard, warranty voidance, and/or property loss.
• Close attention is needed when using near children.
• Keep the charging case away from water, rain or any other liquid.
• Don’t use the product in thunderstorm to avoid malfunction or electric
shock.
• Always ask a professional technician or authorized personnel for repair.
This product contains lithium battery. Never expose it to excessive heat
such as direct sunlight or fire to avoid explosion.
HOW TO WEAR
Choose the Right Tips (Fig. 3)
Ear tips with different sizes are included in the package, try all sizes and
choose the ones fitting you best.
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Wear the Earbuds (Fig. 4)
Please wear the earbuds as shown below.
Pictures only for reference.
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
Charging the Earbuds
1. Put the earbuds into the charging case as per the L (left) and R (right) marks
(Fig. 5).
2. Cover the lid and charging will start automatically (Fig. 6).
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Note:
• Please fully charge the earbuds when using them for the first time.
• When battery is low, a “Battery low” voice prompt will be heard (if you are wearing
the earbuds). Please charge it in time or the earbuds will turn off automatically
around 10 minutes later.
• Charge the earbuds at least once every 3 months when not using for a long time.
Charging the Charging Case
1. Connect the charging port with any USB charging adapter or active
computer USB port (Fig. 7).
2. The charging indicators will light up progressively.
Note: Unplug the charging cable (timely) when fully charged.
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L R
BT-BH023_V1.2_EN
NORTH AMERICA
E-mail: [e-mail]
Shenzhen NearbyExpress Technology Development Co.,Ltd.
Address: Floor 7, Building E, Galaxy World Phase II, Shenzhen, China
MANUFACTURER
MADE IN CHINA
www.boltune.net
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