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HC 2000B
Getting started
Power Supply
The unit is powered by a built-in, lithium-polymer rechargeable
battery. Charge the built-in battery for at least four hours before
using the device for the first time.
To charge the internal battery, follow these steps:
1. Connect the smaller end of the supplied USB cable to the
MICRO USB jack.
2. Connect the other end to a powered USB jack on your
computer or an AC power supply (not included).
3. The CHARGE LED indicator will change color to red
during charging.
4. When fully charged, the CHARGE LED indicator will turn blue.
Warnings:
• Do not throw batteries in fire!
• While using the built-in battery, the environmental
temperature should be 5° C (41° F) to 35° C (95° F).
• To get the longest service life for the built-in battery,
charge at room temperature.
• Attention should be drawn the environmental aspects of
battery disposal.
• Battery shall not be exposed to excessive heat such as
sunshine, fire or the like.
• When the battery is low, the unit will beep every 20
seconds. The unit will turn off automatically when the
battery is too low to work.
Turning the unit on/off
1. Long press the POWER button to turn ON the unit. The
BLUETOOTH LED indicator will light on.
2. Long press the POWER button again turn OFF the unit. The
BLUETOOTH LED indicator will turn off.
Bluetooth pairing
1. Long press to turn ON the unit. The BLUETOOTH LED
indicator will blink blue and red alternately to indicate the
unit is in pairing mode.
2. On the Bluetooth device, enable Bluetooth and select
"HC 2000B" from the Device List. (Refer to the user manual
of your Bluetooth device for detailed operations.)
3. If the Bluetooth device prompts for a passcode, use "0000".
Some Bluetooth devices will ask you to accept and confirm
the connection. If the units are paired properly, you will hear
an indication sound. If pairing is not successful within 10
minutes, the headphones will turn off automatically.
NOTE: If you want to connect your headphones to another
Bluetooth audio device, you need to disconnect the
current device first and follow the above steps to make
a new connection.
Using A Bluetooth Device
1. When successfully paired, sound from your Bluetooth
device will be audible through the headphones.
2. Press the PLAY/PAUSE button to pause playback. Press
again to resume playback.
3. Short press the FORWARD/BACK buttons to adjust the
headphone volume. You can also adjust the volume directly
on your paired Bluetooth device.
4. Long press the FORWARD/BACK buttons to select your
desired audio file.
NOTE: The BLUETOOTH LED indicator will blink blue
during playback.
Receiving A Phone Call
These headphones are equipped with a built-in microphone,
which allows you to make calls on a Bluetooth-enabled mobile
phone. Make sure your Bluetooth-enabled mobile phone
is paired with the headphones. When a call comes in to the
connected mobile phone, you will hear an incoming call alert
on the headphones.
1. Press the FORWARD button to answer the incoming call.
2. Press the FORWARD button again to end the call.
3. The reject the incoming call, press and hold the BACK button.
4. To transfer the sound between the headphones and the
mobile phone, press and hold the PLAY/PAUSE button
during the call.
Using the AUX IN Jack
1. Insert one end of the audio cable into the LINE OUT or
headphone jack on your external audio device.
2. Connect the other end of the cable to the AUX IN 3.5 mm
stereo jack on the headphones.
NOTE: If the headphones are in ON mode, the headphones will
automatically turn off once the audio cable is plugged in and
will work as normal, wired headphones.
3. Begin playback on the external device. The external device's
sound output will be heard through the headphones.
4. To adjust volume, use the volume control on the external
audio device.
5. When done, stop playback on the external device and
disconnect the audio cable from the AUX IN jack on
the headphones.
To prevent possible hearing damage, do not listen
at high volume for long periods.
Quick Start Guide
Troubleshooting
•Power is not on; Long press
to turn ON the unit.
No power
•Make sure the battery
is charged.
•You have not activated the
Bluetooth function on your
device. Refer to your device's
user manual to activate the
The Bluetooth device
Bluetooth function.
cannot pair or connect
with the headphones.
•The unit is already paired
with another Bluetooth
device; disconnect that
device and then try again.
IMPORTANT SAFETY INFORMATION
1. Read these instructions.
2. Keep these instructions.
3. Heed all warnings.
4. Follow all instructions.
5. Do not use this apparatus near water.
6. Clean only with dry cloth.
7. Do not throw this product in the fire, to avoid explosion.
8. Do not expose this product to bright sunshine for a long time.
9. Do not disassemble or modify this product.
10. Please store this product in a clean and dry environment.
WARNING! To prevent possible hearing damage, do not listen
at high volume levels for long periods.
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