Shenzhen Huangmai Technology F990 Bluetooth Headset User Guide
- June 6, 2024
- Shenzhen Huangmai Technology
Table of Contents
User’s Guide
Getting Started Guide
Headset overview
- Mic
- USB
- Angle adjustment part
- MFB key
- Volume +
- Volume –
- Indicator light
- Sub microphone
- Mute
270° ADJUSTABLE BOOM ARM
180° ADJUSTABLE EAR HOOK
FITS PERFECTLY FOR YOUR LEFT OR RIGHT EAR
- Make sure your Bluetooth headset is equipped with the following items:
USS charging cable. Bluetooth “headset, earmuffs, and instruction manual
Bluetooth
version: 5.0| Standby time:
about 72 hours| Transmission
distance:10M | Charging
voltage: DC 5V
---|---|---|---
Talk time:
about 8 hours| Battery capacity: 90 mAh| Charging time: about 1.5
hours|
Open the Bluetooth headset
- Power on: press and hold the multifunction button for about 2 seconds until the blue light flashes 3 times;
- Power off: press and hold the multifunction button for about 4 seconds until the red light flashes 3 times;
- Answer/end call: click on the multifunction key;
- Song/Pause: click on the multifunction key;
- Reject the call: long press multi-function button for about 2 seconds;
- Redial: quickly double-click the multifunction key;
- Voice dialing: long press multi-function button for about 2 seconds to start voice dialing;
- Previous song: long-press the volume key + about 2 seconds;
- Next song: long press the volume button – about 2 seconds;
- Prompt tone switch: fast triple-tap multi-function key
- Charging: Flash red light long time
- When full long blue light
- Low battery voice alert: low battery
- Over-range connection disconnects voice prompt: Bluetooth is disconnected
- Reconnect: outside the connection range after disconnecting, move the headset to the phone within 5M the operation will automatically connect back to the phone (more than 1 minute,
- Click the multifunction button to connect back) Reconnect: after use, no need to enter the pairing state again, the headset will automatically start reconnecting the last successful paired phon
Headset pairing
- Press and hold the multifunction button for about 4 seconds. at this time, the indicator lights flash red and blue, the headset goes into pairing.
- Tum an your phone Bluetooth function. Search for the model name of headphones, then click it will automatically connect.
**Disconnect the headset from the phone:
**
To disconnect the headset from the phone (For example, connect your phone to another Bluetooth device), use one of the following: Turn off headphones:
- Use the phone’s Bluetooth function to disconnect the
- headset from the phone
- Move the headset to a distance of 10M (about 30 feet) away from the phone
**Connect two phones
**
A drag two functions, the first pair of connected to the first mobile Phone, and then turn off the headset new entry match, with second mobile phone connection pairing finished in the first one phone Bluetooth settings inside the click on the headset, the headset will also connect two mobile phone.
Headset charging
Headset built-in rechargeable battery. before using the headset for the first time, we recommend first the headset is fully charged. when charging, the indicator light is red, the battery is full when the red the color indicator will be converted to blue long.
Note: Please use the original charge with the charge, the charging voliage can not be higher than 5V!
**Headphones to wear
**
- According to the specific location of wearing headphones, the corresponding slightly adjustable ear sets.
Troubleshoot
Heard the sound of [Kaka]
-
Because the Bluetooth agreement is open from the open location, accessible circumstances can reach to 10M, in which the human body is also the largest in terms of Bluetooth headset dry we recommend that you put your headphones on the same side of your phone to achieve the best results.
-
Does the machine have no sound?
1 Make sure the headset is activated and fully charged. -
Phone and headset is not connected?
1. Make sure the headset is matched to the phone.
2. Make sure your phone’s Bluetooth device is enabled.
3. Make sure the headset is within 10 meters of the phone and hot any obstructions, such as walls or other electronic equipment. -
If the above steps do not resolve the issue, try the following:
A, re-charge the headset.
B. restart the phone.
C. start the phone Bluetooth and delete the previous pairing history!
D, the Bluetooth headset to re-match with the phone!
****Precautions:
- Do not place this headset In the position of the airbag inside the vehicle when the airbag pops up, it may cause serious injury.
- Do not let children play the headphones, small parts may make children have the risk of suffocation.
- Hospitals, blasting sites or places where potentially explosive atmospheres may be ask the user to turn off the electronic equipment and radio. when you enter a specific area please pay attention to the instructions.
- Before boarding, please turn off the headset, to the aircraft can not use the headset.
- ne better protect your hearing, do not adjust the volume too loud.
- Do not attempt to make any modifications or disassembly of this headset.
- Do not use this product in wet or rain.
- Do not clean the headphones while in the charging state. should first headphones and the charger separately, and then clean up.
****Be carefully
The battery is not replaced properly, there will be explosion danger. Can only
be replaced with the same or equivalent type of battery Batteries (battery
packs or combination batteries) should not be exposed to warnings such as
sunlight, fire, or similar overheating.
Product quality warranty card:
Product Model|
---|---
Origin of Product|
User Phone|
Sale Location|
Sales Date|
Vendor Name|
Vendor Contact Phone|
Maintenance Records|
*Please provide this warranty card when accepting the service, please keep it safe!
FCC Statement
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.
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 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.
Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.
Radiation Exposure Statement
This device complies with RF radiation exposure limits set forth for an
uncontrolled environment. This transmitter must not be co-located or operating
in conjunction with any other antenna or transmitter.
Read User Manual Online (PDF format)
Read User Manual Online (PDF format) >>