haoer A999 Active Noise Cancelling Headphones User Manual
- June 5, 2024
- haoer
Table of Contents
Haier
A999 Active Noise Cancelling Headphones
User Manual
Welcome to use
Thank you for purchasing this product. Please read this manual carefully and
keep it well before using the product.
Structural diagram
Package contents
Bluetooth pairing
- Turn on the Bluetooth of the mobile phone, and place the mobile phone and headphones together within one meter.
- Find “A999” in the Bluetooth device list of the mobile phone for pairing.
- Voice prompts “CONNECTED”. If the connection is not successful, please repeat the above steps to connect again.
Connect to two mobile phones via Bluetooth
- Connect the headphones with the phone1, then turn off the headphones and the Bluetooth feature of the phone 1.
- Turn on the headphones and make them enter pairing mode.
- Connect the headphones with the phone 2.
- Turn on the Bluetooth feature of phone 1, and select “A999” in the Bluetooth list.
Bluetooth headphones power-saving mode
- If the headphones are powered on for ten minutes without a Bluetooth connection and the ANC switch is not turned on, the headphones will power off automatically.
Line-in Playback/Line-in Noise reduction
Use the standard 3.5mm audio cable to connect the headphones to your phone,
computer, and other devices to listen to the music on your device.
If the headphones are connected via line-in when the ANC switch is turned on,
it will enter the line in noise reduction.
Power on/off
Power on: When the headphones are off, press and hold the “ “ button until
you hear “ Power on ”.
Power off When the headphones are on, press and hold the “ “ button until you
hear “ Power off ”.
Noise reduction function operation
Noise reduction on Turn on the ANC switch, and you will hear the beep “ ANC ON
” and the default noise reduction depth is 36dB.
Noise reduction off Turn off the ANC switch, you will hear the beep “ ANC OFF
”.
Noise reduction depth selection: long press the button to switch the noise
reduction depth.
Beep “ One ” Noise reduction depth is 36dB.
Beep “ Two ” Noise reduction depth is 26dB.
Beep “ Three ” Noise reduction depth is 18dB.
Answer/Reject phone calls
Answering incoming calls: Click the “ ” button to answer an incoming call
and click again to hang up the call.
Rejecting incoming calls: Press and hold the button “ ” for 2 seconds to
reject the call when it comes in.
Redial the previous call
Double click the “ ” button in Bluetooth status to redial the previous call.
Music control
Click the “ ” button to control music pause while playing music and click
again to resume music playing.
Three clicks of the “ ” button to enter voice assistant mode when playing
music.
Click “ ” button, switch to the previous song, and long press to increase the
volume. depth.
Noise reduction depth selection: long press “ ” button to switch the noise
reduction
Click the “ ” button, switch to the next song, and long press to decrease the
volume.
Click “ ” button three times to switch EQ mode, there are four modes: rock,
pop, classical and natural.
Technical parameter specifications
Bluetooth version: Bluetooth 5.0
Bluetooth range: up to 33 feet （free space)
Bluetooth transmission frequency: 2.4GHz-2.48GHz
Protocolos soportados: A2DP,AVRCP,HSP,HFP
Driving unit: φ40mm
Impedance: 32 ohms
Frequency Response: 20Hz-20KHz
Sensitivity: 105dB
Noise reduction depth One: 36dB
Noise reduction depth Two: 26dB
Noise reduction depth Three: 18dB
Battery capacity: 700mAh
Standby time: 150days
Bluetooth music/talk time: about 50 hours
Music/talk + ANC working time: about 25 hours
LINE+ANC working time: about 8 hours
Charging time: 2 hours
Charging port: Type-c
Input voltage/current: DC5V ≥500mA
Working environment: 10 ℃-50 ℃
Humidity: 0-95%
Product size: 21545180mm
Net weight: 275g
Charging instructions
- Before the headphones are used for the first time, please charge the headphones completely.
- Charging cable: Please use the included Type-C charging cable to charge the headphones, or it may damage the headphones.
- Charger: If using a charger, the output requires 5V DC, ＞500mA.
- Indicator display: The red light stays on during charging, and the red light is off when fully charged.
Note: Please forgive us for any change in technical specifications without prior notice.
Precautions for using headphones
- If you have not used the headphones for a long time, please charge them before using them.
- Do not use headphones to listen at high volume continuously. If you have problems such as tinnitus or hearing loss etc, please lower the volume or stop using it.
- Please do not use headphones to listen to music, or make or receive phone calls while driving to avoid distraction and danger.
- Please place the headphones out of the reach of children to avoid the danger of improper use by children.
- If you feel significant discomfort, irritation, and other adverse reactions when using the headphones, please stop using the headphones immediately.
- The headphones use a built-in non-removable rechargeable battery, please do not try to remove or replace the battery in the headphones.
- We are not responsible for any personal damage to the headphones caused by disassembling the headphones and removing the battery etc.
Frequently Asked Questions
If there is no sound from the headphones
- Please check if the volume of the headphones is appropriate.
- Please check if the headphones are connected to the mobile phone successfully.
- Please check if the headphones are in the working range.
The headphones do not work well when making a cal
- l Please confirm whether the mobile phone is in an area with a strong signal.
- Please make sure the headphones are within the working distance.
(Note: The working distance of the headphones is 33 feet, and there should be no obstacle between the headphones and the mobile phone.)
FCC Caution：
This device complies with part 15 of the FCC Rules. Operation is subject to
the following two conditions: (1) This device may not cause harmful
interference, and (2) this device must accept any interference received,
including interference that may cause undesired operation.
Any changes or modifications not expressly approved by the party responsible
for compliance could void the user’s authority to operate the equipment.
Note: This equipment has been tested and found to comply with the limits
for a Class B digital device, pursuant to part 15 of the FCC Rules. These
limits are designed to provide reasonable protection against harmful
interference in a residential installation. This equipment generates uses and
can radiate radio frequency energy and, if not installed and used in
accordance with the instructions, may cause harmful interference to radio
communications. However, there is no guarantee that interference will not
occur in a particular installation. If this equipment does cause harmful
interference to radio or television reception, which can be determined by
turning the equipment off and on, the user is encouraged to try to correct the
interference by one or more of the following measures:
-Reorient or relocate the receiving antenna.
-Increase the separation between the equipment and receiver.
-Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
-Consult the dealer or an experienced radio/TV technician for help.
The device has been evaluated to meet general RF exposure requirements. The
device can be used in portable exposure conditions without restriction.
