HM80 Bluetooth Headset

Product Information

Specifications

• Model: MFB Bluetooth Headset

• Charging Port: Type-C

• Functionality: Pairing, Connect Two Phones, Restore Factory
  Settings

• Package Includes: Wireless Earphones, Charging Case, Charging
  Cable, Instruction Manual

Product Usage Instructions

Function Operation

The Bluetooth headset offers various functions such as pairing,
connecting two phones, and restoring factory settings. Refer to the
user manual for detailed instructions on each function.

Pairing

To pair the headset with your device, activate Bluetooth on your
device, then press and hold the MFB button on the headset until the
indicator light flashes. Select the headset from the list of
available devices on your phone to complete pairing.

Connect Two Phones

To connect the headset to two phones simultaneously, ensure both
devices have Bluetooth enabled. Follow the pairing process for each
phone, and switch between devices as needed by selecting the
headset from the Bluetooth menu on the respective device.

Restore Factory Settings

If you need to restore the headset to factory settings, refer to
the user manual for specific instructions on how to perform this
action.

Charging Instructions

When the charging case is low on power, a white light will
flash. Connect the Type-C charging cable to the charging port on
the case and a power source to recharge the case.

Disconnect

To disconnect the earphones from your phone or switch to another
Bluetooth device, you can either turn off the earphones, disable
Bluetooth on your phone, or delete the pairing history of the
headset from your phone’s Bluetooth settings.

FAQ

Q: What should I do if the indicator light does not turn on

when charging?

A: Make sure the charging cable is securely connected to both
the charging port on the case and the power source. If the issue
persists, try using a different cable or power outlet.

Q: How can I check the battery level of the charging case?

A: The indicator light on the charging case will typically
indicate the battery level through different colors or flashing
patterns. Refer to the user manual for specific details on
interpreting the battery status.

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Bluetooth headset USER MANUAL
Please read this guide carefully before use and keep it for future use

Product overview and package list

Loudspeaker sound hole
Charging contact

MFB button
Microphone Indicator light

Type-C charging port Type-C charging cable
The box includes wireless earphones, charging case, charging cable, and instruction manual.

Specifications
· Transmission distance: 10m · Battery capacity of earphone: 90mAh · Battery capacity of case: 600mAh · Working time: 10H

· Talk time: 8H · Standby time: 90H · Charging time: 1.5H · Charging port: Type-C

Function operation
· Power On: 1. Touch the MFB button about 3 seconds to turn on the earphone. 2. Take the earphone from the charging case, it will automatically turn on.
· Power off: 1. Touch the MFB button 5 seconds to turn off. 2. Put the earphone into the charging case to charge, it will turn off automatically. 3. The earphone will turn off automatically if there is no connection after being pairing status for 5 minutes.
· Answer / Hang up the call: Double touch the left or right MFB button to answer the call, double touch the left or right MFB button to hang up during the call.
· Reject calls: touch the left or right MFB button for 2 seconds to reject the call.
· Play / Pause music: Double touch the left or right MFB button to Play / Pause music.
· Previous / Next track: Triple touch the left MFB button to the previous track and triple touch the right MFB button to next track.
· Volume +/-: Touch the right MFB button to increase the volume; touch the left MFB button to reduce the volume.
· Voice Assistant: Press the left MFB button for 2 seconds

to activate the voice assistant. · Game mode / Music mode: 4 touch the right or left
MFB button to enter game mode; In game mode, 4 touch the right or left MFB button to switch to music mode. · Voice prompt language switching: 5 touch the left or right MFB button to switch language in pairing mode.
Pairing
· Pairing: Turn on the earphone to enter pairing mode; Turn on the Bluetooth interface of the device, search the paring name and click to pairing. (If the pairing name can’t be found, please turn off your device’s Bluetooth and reconnect). · Automatic pairing: After the first successful connection, the earphones will automatically pairing in next time.
Connect two phones
· Connect two phones: First connect the first phone, then turn off the bluetooth of the first phone, then connect the second phone, turn on the first phone bluetooth, the earphone automatically connect the first phone, so that one earphone can be connected to two phones. · Reconnect two phones: When the earphone has been connected to two phones, turn on the two phones and the earphone at the same time, the earphone will connect back to the last connected phone, and then connect back to another phone.

Restore factory setting
When there is no interconnection between the left and right earphones or the device cannot be paired, you can operate as follows: 1, Delete the pairing name of the earphone from list of pairing history on your Bluetooth device; 2aTurn on the left earphone to the pairing state (the right earphone is off), and touch the MFB button 6 times, then turn on the right earphone to the pairing state (the left earphone is off), and touch the MFB button 6 times. 3aAfter resetting the earphone, please reconnect it according to “Pairing”.
Charging instructions
· Earphones charging Place the earphones in the charging case to charge, the earphones indicator light is steady blue, and the charging case indicator light is steady on. The earphone indicator light and charging case indicator light are off when fully charged.
· Charging case charging Plug the Type-C cable into the Type-C port of the charging case. The white light flashes slowly during charging, and the white light is always on when fully charged.
· Earphones low power reminder When the earphones are at low power, there will be a voice prompt indicating that the power is low, please

charge in time. · Case low power reminder
When the case are at low power, the white light flashes and off, please charge in time.
Disconnect
To disconnect the earphone from your phone (for example, connecting the earphone to another Bluetooth device), use any of the following methods: 1. Turn off earphone; 2. turn off the Bluetooth of the phone; 3. Delete the pairing name from list of pairing history on your phone .
Troubleshooting
· Hear the sound of “Disconnected” Since the protocol distance of Bluetooth is an open area, the transmission distance can reach 10m in barrier less conditions. When the earphone and the phone are connected, the connection will be disconnected when they leave the effective communication range, and the phone will be automatically connected when they re-enter the effective communication range within 5 minutes. If the reconnection is unsuccessful the earphones will turn off.
· There is no sound in the earphone. Make sure the earphone is powered on and fully charged.
· The device can’t connect to the earphone.

Make sure the earphone is paired with your device. Make sure your device’s Bluetooth is enabled. Make sure that the earphone is located within 10 m of the device and there are no obstructions, such as walls or other electronic devices. · If the above steps can’t solve the problem, please try the following methods: Re-charge your earphone. Restart your phone. Delete your device past pairing history. Re-pair the earphone with your phone.
Matters needing attention
· Do not use corrosive cleaning agents to clean the product.
· Do not allow this product to heat or be near fire sources, such as cooking stoves.
· Do not expose this product to direct sunlight for a long time.
· Do not dispose of this product in fire to avoid explosion. · Do not attempt to disassemble this product for any
modification, as it does not contain any repair components. · Do not use this product in the rain. · In order to better protect your hearing, do not turn the volume too high. · Do not clean the product while it is charging. Separate the earphone from the charger before cleaning it.

· Do not allow children to play with this product, small parts may cause choking hazards to children.
· If you do not intend to use this product for a long time, please store it in a dry environment and monthly Charge your headphones at least once to extend their life and avoid extreme temperatures and dust.
Warning
· Batteries must be recycled or properly disposed when the product Batteries could removable, Do not disassemble the battery when the product Batteries could not removable.
· If the battery is not used properly, it may explode or leak, causing burns and other injuries. If the battery leaks, be careful and dispose of the battery immediately in accordance with local laws and regulations on battery handling.
FCC
· 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.
· RF waming for Portable device: The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction.

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