HENGXINTAI BT9944 Wireless Headphones Instruction Manual

: June 2, 2024
: Hengxintai

Table of Contents

HENGXINTAI BT9944 Wireless Headphones
Product Information
Product Usage Instructions
PRODUCT SPECIFICATION
PRODUCT PICTURE
DESCRIPTION OF MAIN PARTS
PAIRING STEPS
PRODUCT USAGE
FCC Warning
Frequently Asked Questions
Read User Manual Online (PDF format)
Download This Manual (PDF format)

HENGXINTAI BT9944 Wireless Headphones

Product Information

Specifications:

Product: Wireless Headphone (BT9944)
Main Parts:
1. On/Off, Play/Pause button, Answer/Hang up/Reject button
2. Volume up/Next song button
3. Volume down/previous song button
4. Indicator light
5. 3.5mm AUX audio port
6. Mic
7. Charging port Type-C

Product Usage Instructions

Pairing Steps:

Turn on the Wireless Headphone.
Activate Bluetooth on your device.
Select “BT9944” from the list of available devices to pair.
Once paired, you are ready to use the Wireless Headphone.

Usage:

To turn on/off the headphone or play/pause music, use the On/Off button.
Adjust volume or skip to the next/previous song using the respective buttons.
Answer, hang up, or reject calls with the designated button.
The indicator light shows the status of the headphone.
For wired connection, use the 3.5mm AUX audio port.
The mic is located for hands-free calling.
To charge the headphone, use the Type-C charging port.

Disposal:
Ensure proper disposal of the headphone according to local regulations. Do not dispose of in regular household waste.

WIRELESS HEADPHONE (BT9944)

Instructions Manual

PRODUCT SPECIFICATION

Bluetooth® standards: V5.1
Bluetooth® Effective range: 10m
Battery Capacity: 250mAh
Standby time: Up to 200 hours
Working time: Up to 16 hours(At 50% Volume)
Charging time: Approx 2 hours
Microphone: Built-in
Charging Port: USB Type-C
Driver Unit: 40mm
Impedance: 32ohm
Sensitivity: 105dB ±3dB
Frequency Response: 20Hz – 20KHz

PRODUCT PICTURE

DESCRIPTION OF MAIN PARTS

On/Off, Play/Pause button, Answer/Hang up/Reject button
Volume up/Next song button
Volume down/previous song button
Indicator light
3.5mm AUX audio port
Mic
Charging port Type-C

PAIRING STEPS

Press (1) for 2 seconds to put into pairing mode (the indicator light will alternate between red and blue).
Go to your Bluetooth® settings on your device and find the Bluetooth® pairing name “BT9944”. Pair your device, then it will be connected, when connected successfully, only blue light flash.

PRODUCT USAGE

Power on: Press and hold the button (1) for about 2 seconds, until blue light flashes.
Power off: Press and hold button (1) for about 4 seconds, the red indicator light will flash three times and then device turns off.
Answer a call: when a call is coming in, Answer the call by pressing button (1) once. Press the button again to hang up.
To reject a call press and hold (1) for about 2 seconds.
Redialing the last number: Double-click the (1) button.
Previous song/Volume up : Press butt o n ( 2 ) quickly for previous song, press and hold for volume up.
Next song/Volume down: Press button (3) quickly for next song, press and hold for volume down.
Play / Pause music: when you listen to the music, you can play or pause the song by pressing (1) button.
Reconnected : when reopen the Bluetooth® mode, the headphone will reconnect to the nearest devices.
Automatic shutdown: If not connected for 5 minutes, the headphone will automatically turn off
Charging: Charging port with Type C USB charging cable.
When charging, the indicator light is red and remains on, while the fully charged indicator light is off USB CABLE INCLUDED

DISPOSAL
European Directive 2012/19/EU on waste electrical and electronic equipment (WEEE) requires that such equipment should not be disposed of in the normal urban solid waste stream, but should be collected separately in order to optimise the recovery and recycling flow of its component materials and prevent potential damage to health and the environment due to the presence of potentially dangerous substances. The symbol of the crossed-out bin is shown on all products to remind of it. The waste can be delivered to the appropriate collection points or delivered free of charge to the distributor when purchasing equivalent new equipment or without the obligation to purchase equipment smaller than 25 cm. For further information on the correct disposal of these devices, please contact the relevant public service department.
Read and preserve, it contains important informations.

FCC Warning

This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions:

This device may not cause harmful interference, and
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 requirement. The device can be used in portable exposure condition without restriction.