MASTJUST Bone Conduction Headphone User Guide

MASTJUST Bone Conduction Headphone

Specifications

• Dimension: 82*17mm
• Weight: 18g
• Driver: 89+/-3dB
• Microphone: -42+/-2dB
• BT Version : 5.3
• Profile: A2DP/AVRCP/HFP/HSP
• Memory: Supported
• Music format: MP3/WAV
• Battery: 220mAh
• Playback time : Up to 10 Hours
• Charge time: 2 hours
• Waterproof: IPX7

Product Usage Instructions

Thank you for choosing Platinum star bone conduction headphones, please read this user guide carefully at first operation, it will help you understand and use Patinum star properly.

Function keys

• Multi-function key
  • Power on/off, Call answer/end, Music play/pause
  • Call rejection, Call shift, Redial, Voice assistant
• Volume key
  • Volume up, Next song, BT/MP3 shift
• Volume- key
  • Volume down, Previous song, Lang selection
• Metal pins
  • Charge, Data transmit

Wearing Instruction

• Power on
  Long press the MF key 2s until blue led on and voice prompt “Power on”

• Power off
  Long press the MF key 5s until red led on and Voice prompt “Power off”

• Language setting
  Double press volume- to switch language

• Music mode selection
  Double press volume + to select the music mode

Bluetooth Pairing:

Bluetooth connection
Turn on the Platinum star Make sure it is in BT mode Bluetooth searches available BT devices Select “PT Star” then connect

1. Turn on the Bluetooth device.
2. Enable Bluetooth on your device and search for available Bluetooth devices.
3. Select the device name to pair.
4. If prompted, enter the pairing code provided in the manual.

Music Playback:

1. Ensure the device is fully charged before use.
2. Press the power button to turn on the device.
3. Use the playback controls to navigate through your music library.

Play/Pause
Press MFB once to play or pause

Volume +/-
Short press volume key for volume up or down

Previous/Next song
Press volume key 1s for the previous or next song

Phone talk operation(Only in BT mode)

• Answer/End/Reject a call
  • Press MFB once to answer or end a call
  • Press MFB 2s to reject an incoming call
• Voice assistant
  • If in idle or music, press MFB 2s to activate the voice assistant function
• Redial last number
  • If in idle, double press MFB to redial the last number
• Talk shift
  • In talk, press 2s to shift between earphone and handset

Charging/Data trans

Charging:
Use the provided 4pin data cable to charge your headphones The Red led turns on during charging, Blue led turns on fully charged

1. Connect the provided charging cable to the device.
2. Plug the other end of the cable into a power source.
3. The device will indicate when it is fully charged.

Data trans
Connect your headphones to the computer, select your favourite and Transmit to headphone

Waterproof Usage:
This device is rated IPX7 waterproof. It can withstand immersion in water up to a certain depth. Ensure all ports are properly sealed before exposing the device to water.

SPECIFICATION

The above data is tested in specified conditions and may vary

Accessories

• Data cable
• Earplug
• Pouch

FCC Caution.

Labelling requirements. 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.

Changes or modification warning Any Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. Information to the user.

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 the receiver.
• Connect the equipment to 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 warning for Portable devices:
The device has been evaluated to meet general RF exposure requirements. The device can be used in portable exposure conditions without restriction. According to § 15.247(e)(i) and § 1.1307(b)(1), systems operating under the provisions of this section shall be operated in a manner that ensures that the public is not exposed to radio frequency energy levels in excess of the Commission’ s guidelines. According to KDB 447498 (2) (a) (i)

FAQ

How do I reset the device?
To reset the device, press and hold the power button for about 10 seconds until the device powers off. Then, turn it back on as usual.

Can I use this device for phone calls?
Yes, this device supports hands-free calling with its built-in microphone. Ensure Bluetooth is connected to your phone for call functionality.

Is this device compatible with all Bluetooth-enabled devices?
The device is designed to work with most Bluetooth-enabled devices that support the A2DP, AVRCP, HFP, or HSP profiles. Check your device’s compatibility before use.

Read User Manual Online (PDF format)

Read User Manual Online (PDF format)  >>

Download This Manual (PDF format)

Download this manual  >>