Mixcder HD901 User manual

User’s Manual
Wireless Headphone
MODEL:HD901

2. Package Contents
3. Product Overview
1. Introduction
-1 x Wireless Headphone
-1 x Micro USB Charging Cable
-1 x 3.5mm Audio Cable
-1 x User Manual
EN-1
Micro USB Charging Cable 3.5mm Audio Cable
Thank you for purchasing the Mixcder HD901 wireless headphone.
HD901 has a fashionable appearance and provides foldable design
for easy storage and carrying. Artificial protein leather of earmuffs is
simulated to human skin texture, giving you a long-time comfort.
Built-in rechargeable battery provides more music playing and
standby time.
HD901 also can be used in both wired and wireless mode via
the supplied 3.5mm audio cable and Bluetooth V5.0. Its
powerful and rich bass speaker brings you amazing and
unprecedented audio enjoyment.
Note: Please read the user manual carefully before using, and
keep it properly for future reference.
TF Card Slot
Micro USB interface
for charging
LED Indicator
3.5mm line-in port
Next track/V+
Previous track/V-
Power button
Microphone

EN-2
1). Make sure the headphone is off.
2). Do not place both devices more than 3ft/1m away from
each other.
3). Press and hold the power button on the headphone until it
powers on but don't let go just yet. Continue holding down on
the power button until you see the LED indicator flashes blue
and red alternately and you will hear "Pairing", which means
your headphone is in pairing mode waiting to be paired.
4). Turn on the Bluetooth function of your device.
5). Select the Mixcder HD901 to pair. Once successfully
paired, you will hear "Connected" and the LED turns to solid
blue.
Note: Before pairing the headphone with a computer, please
5. Pairing with Wireless Devices
4. Charging the Battery
Any power
source for USB use
Micro USB charging cable to
the USB Interface for charging
Use the supplied micro USB charging cable to charge the
headphone. It takes about 2 hours for the first charge and
about 1-1.5 hours for a subsequent charge after that. The
headphone LED turns to solid red during charging. When the
battery is fully charged, the LED turns off.
When the battery is low, the LED keeps red light. At the same
time the headphone also provides a low battery warning tone.
Note: It is strongly recommended fully charging for the first
use. Playtime varies according to volume level and audio
content .

EN-3
6-1 Making a call
1). Make sure the headphone is paired with the phone. Dial
through the mobile phone and press the call button on the
phone.
2). To end a call, press the power button once or also end the
call directly by the phone.
6-2 Answering a call
Make sure the Headphone is paired with your phone. Please
refer to chapter 5. Pairing with Bluetooth-enabled Devices.
Note:
The microphone can't work when used as a wired headphone.
6. Making and Answering a Call
Using as a wired headphone with a 3.5mm audio cable
7. Used as a Wired Headphone
The HD901 provides a 3.5mm audio jack located on the side
of ear cup and an included audio cable for wired use. This
allows you to use the audio function of other devices without
having wireless function. When the headphone's battery is
low, you can still enjoy music without worrying battery dead.
make sure your computer or laptop has the built-in Wireless
feature. If not, you must purchase a Wireless dongle,
preferably version 2.1 or above. Mixcder HD901 will pair with
the last paired device automatically when turning on. Because
of different systems, some computers or laptops, you will need
to pair manually every time.

EN-4
9. Protecting your Hearing
The headphone is held close to your ears, so loud sounds
pose a potential hearing risk. It is highly recommended that
setting low volume level before putting on the headphone and
avoiding exposing yourself continuously to high volumes. If
you need to use the headphone for a long period, rest ten
minutes for a half hour using.
Avoid exposing to
liquids and rain
Avoid exposing to
extremely temperature
Avoid dropping
from high places
- Store the headphone in dry environment when it powers off.
- If you don't use the headphone for a long period, charging the
battery every 2 months for 1-2 hours.
- Use a dry cloth for cleaning if needed.
- Avoid dropping the headphone from high places or on hard
surfaces.
- Avoid exposing the headphone to extreme temperature.
(Recommended Storage temperature is -40˚C-80˚C.)
- The headphone is NOT waterproof. Avoid exposing the
headphone to rain or getting liquids into any button port or other
openings.
- Please don’t twist or bend the headphone. This may cause
permanent deformation.
- The built-in battery can’t be disposed in the fire to avoid
explosion.
8. Caution

EN-5
10. Control Instructions
Function Operation
Power on
When the headphone is off, press and hold the
power button for about 8 seconds until the LED
flash blue and red alternatively, then select the
"Mixcder HD901" to pair.
Press and hold the power button for 2s, and the
LED flashes blue and sounds "Power on".
Press the V+ button
Press the V- button
Press the power button
Press the power button
Press and hold the V+ button for 2s
Press and hold the V- button for 2s
Pairing
Press and hold the power button for 2s, and the
LED flashes red and sounds "Power off".
Power Off
Increase Volume
Decrease Volume
Play Media
Pause/ Restart
Media Playback
Skip to Next Track
Skip to Previous Track
Answer a Call When a call comes in, press the power button
End a Call When you want to end a call, press the power
button
TF Card/ Wireless
Mode Exchange
1.In wireless mode, press the power button twice,
change to TF card mode, you will hear the prompt
"play by TF card". If no TF card insert, it will
reconnect the device.
2.In TF card mode, press the power button twice,
then you will hear the voice "connected". The
blue LED lights twice. If the TF card insert, it will
default to play by TF card.

EN-6
Note:
There will be an alert tone when the volume reaches the
minimum or maximum level. When the TF card insert, the
headphone will default to play the music in TF card.
When the headphone is off, press the power
button 2 seconds to power on, it will automatically
play the music in TF card, then the blue LED
lights.
When in pause mode, press the power button
once to play music; then press once again to
pause.
Power on
Play/ pause
Skip to
next track Press and hold the V+ button for 2s
Press and hold the V- button for 2s
Skip to
previous track
TF
Card
Play
Mode

EN-7
11. Troubleshooting
Q: The headphone cannot turn on.
A: The battery may be flat. Please recharge the battery and try
again. Refer to chapter 4. Charging the Headphone.
Q: Why doesn't the headphone pair with the mobile
phone?
A: Please check the followings.
- Check that the headphone is charged and is in pairing mode.
- Make sure that the mobile phone's Wireless function is on.
- Make sure the two devices are in the effective pairing range.
(10 meters).
- Make sure that there is no obstacle between the headphone
and the mobile phone, such as electronic equipment and a
wall.
- Furthermore, you can try restarting the headphone and
pairing it with the mobile phone again.
- Make sure the paired device’s wireless function is turned off.
Q: There is some noise.
- A: Wireless is a radio technology, so it is sensitive to
obstacles between the headphone and the pairing device.
Please make sure that there is no obstacle between the two
devices and is within 10 meters.
Q: I can't hear sound.
A: Please check the followings.
- Try increase the volume.
- Make sure that the Wireless function is on and whether the
two devices are connecting and within 10 meters.
Q: My mobile phone or computer cannot find the
headphone.
A: Please check that the headphone is in pairing mode. Refer
to chapter 5. Pairing with Bluetooth-enabled Devices.

EN-8
12. Warranty
The HD901 is covered by a 1-year manufacturer warranty. For
more information, visit: www.Mixcder.com
Sometimes when the headphone is connected too many
Wireless devices, it cannot search and pair effectively. Or your
mobile phone and computer are already connected to many
other devices. Try removing some connections before
searching the headphone.

EN-9
Microphone
Spec.
Microphone Unit 4*1.5mm
Omni-directional
-42dB
≤2.2KΩ
100Hz-10000Hz
Speaker Spec.
Wireless Spec.
Battery Spec.
Directivity
S.P.L
32ΩImpedance
108dB±3dBS.P.L
＜4%
THD
Impedance
Φ40mm
Speaker diameter
2.402GHz-2.48GHz
Transmission
frequency
20Hz-20000Hz
Frequency
response
V5.0Wireless version
HSP/HFP/A2DP/AVRCPSupport profile
Built-in 300mAh rechargeable
lithium battery
Battery type
Mixcder HD901Pairing name
Micro USB 5V/1ACharging port
About 20 hours talking/About 20
hours music playing time
Running time
33ft/10mWireless distance
Standby time
Charging time
Operating
temperature
More than 2000 hours
About 2 hours
-10˚C-45˚C
Frequency response
2VOperating voltage
Note:
Features and technical specifications are subject to change
without notice, we apologize for any inconvenience.
13. Specifications