Dacom HF004 Headphones User Manual

HF004 Headphones
User Manual

Accessories

Button Function

Product Information

Earphone Type: Over-ear Bluetooth Headphone
Bluetooth: BT5.0
Impedance: 4Ω
Sensitivity: 115dB±3dB
Frequency Range: 20Hz-20KHz
Distance: about 10m
Battery: 750mAh 3.7V
Battery Type: Rechargeable Lithium Polymer Battery
External Voltage: DC4.8V-5.5V
Support: HSP / HFP /A2DP /AVRCP

Basic Function

Power On
When the headset is off, long press the MFB button for 3 seconds until the blue light flashes one time, the device will be on.

Power Off
When the headset is on, long press the MFB button for 5 seconds until the red light flashes for one second, and the device will be off.

Pairing Mode

When the headset is off, long press the MFB button for 5 seconds, and the blue and red lights will flash alternatively which means the headphone is in ready for pairing mode. Select the pair name “HF004” on your mobile phone, there will be a tone heard “connected” showing the Bluetooth is connected successfully.

Automatic Pairing

1. When your headphone is within the connection range, power them on, and it will automatically connect to the Bluetooth device which has been paired before. If failed, the headphone will enter pairing mode.
2. When you are out of the Bluetooth connection range, come back to the connection range within 2 minutes, and the device will be automatically reconnected. If the time exceeds 5 minutes, the headphone will be automatically turned off.

Answer the call

Press the MFB button to answer an incoming call.

Hang up the call

During the call, press the MFB button to hang up.

Refuse the call

Long press the MFB button for 1 second to refuse an incoming call.

Play/Pause

Press the MFB button to pause or resume the music.

Language Switch

Under pairing mode, long press the V. & V- buttons at the same time for 3 seconds to switch the language between Chinese and English.

Previous Track

Long press V- for about 2 seconds (touch button) to switch the music to the previous track.

Next Track

Long press V. for about 2 seconds (touch button) to switch the music to the next track.

Headphone/Speaker Switch

The ear pads can be turned to 180°in total, with 0-90°as headphone mode and 90° outward as speaker mode.

Charging

When the headphone is charging, the indicator light will turn solid red, when the battery is fully charged, the red light will turn off.

Battery Protection

If there are no operations (music play and phone calls) for 30 minutes under pairing mode, the connection will automatically be off and the unit will be powered off.

Mode Switch

Under pairing mode or music playing mode, double press the MFB button to switch among 3 modes MP3 mode, Bluetooth mode, and line-in mode.r Under line in mode, you need to control music via your mobile phone, the control buttons on the earphone will not work.)

Connect two mobile phones

1. Connect the unit with your first mobile phone. After the connection is complete, turn off the Bluetooth on your mobile phone.
2. Connect the unit to your second mobile phone.
3. Turn on the Bluetooth function on your first mobile phone and then select&press the pair name again for connection.

Compulsory Reset

Long press the MFB button for 9 seconds to reset the product when it cannot be powered on and off normally.

Voice Assistant

Under pairing mode, long press the MFB button for 1 second then release it to activate the voice assistant (such as Sid).

Clean paired information (Reset)

Under pairing mode, press the ‘/+&‘/- buttons at the same time 3 times to clean all paired information.

Low battery warning

There will be a low battery warning when the voltage is below 3.3V.

SAFETY PRECAUTION

• Do not detach or modify the earphone, otherwise, it might get damaged or malfunction. Defectives under this category are not included in the warranty.
• Do not expose the device to water or other liquid, otherwise, it might get damaged or malfunction. Defectives caused by liquid inside is not included in the warranty.
• Do not expose the earphone to extreme humidity or extreme temperatures (below 0 °C or above 45°C ).
• Avoid putting the indicator light near children’s eyes or animal eyes.
• Do not use the earphone in thunderstorm weather which might cause malfunction and increase the risk of electric shock.

WARRANTY SERVICE AND DESCRIPTION

The date of purchase is subject to the purchase invoice, and if the valid invoice cannot be provided, the date of manufacture shall prevail. Quality issues do not include users’ subjective judgment of sound quality.
The warranty does not include plastic, manual, or packaging. For those models that have been stopped for production, the company warrants repairing the functions only. Our company does not take any responsibility for the commitments dealers made to you but not within our company commitments.

WARRANTY CARD

Dealer Information| Item| Qualified
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User information| User address|
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Remark

The headphone warranty is within one year free of charge, for any deliberate damage, we will charge a repair fee.

Manufacturer: Shenzhen Sande Dacom Electronics Co., Ltd
Add: Building I, NO.10, East of Shangxue Science & Technology Industrial Park, Bantian, Longgang, Shenzhen, China

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