Lazmin112 K7

Lazmin112 K7 Open-Ear Bone Conduction Headphones User Manual

Model: K7 | Brand: Lazmin112

1. Introduction

Thank you for choosing the Lazmin112 K7 Open-Ear Bone Conduction Headphones. These headphones are designed to provide a unique audio experience by transmitting sound through your cheekbones, keeping your ears open to ambient sounds for enhanced safety during activities. Featuring IPX8 waterproofing and 16GB of built-in memory, they are suitable for various sports, including swimming.

2. Safety Information

  • Do not attempt to disassemble or modify the headphones.
  • Keep the charging port dry before connecting the charging cable. Water in the port can cause damage.
  • After charging, ensure the waterproof plug is securely installed on the charging port before using the headphones in water.
  • Avoid exposing the headphones to extreme temperatures (hot or cold) or direct sunlight for extended periods.
  • For swimming, always switch to MP3 mode as Bluetooth connectivity is not supported underwater.
  • If the headphones are inactive for a long time, recharge them once a month to maintain battery health.

3. Package Contents

Please check the package for the following items:

  • 1 x Lazmin112 K7 Bone Conduction Headset
  • 1 x Charging Cable
  • 1 x User Manual (this document)
Lazmin112 K7 headphones and charging cable

Image: The Lazmin112 K7 bone conduction headphones shown alongside their charging cable, illustrating the complete package contents.

4. Product Overview

Familiarize yourself with the main components and controls of your K7 headphones.

Lazmin112 K7 bone conduction headphones, full view

Image: A full view of the Lazmin112 K7 bone conduction headphones, showcasing their ergonomic design and flexible neckband.

Close-up of Lazmin112 K7 headphone controls

Image: A close-up view of the control buttons located on the side of the Lazmin112 K7 headphones, along with model information and regulatory marks.

5. Specifications

ModelK7
MaterialABS + Silicone
Bluetooth Version5.0
Memory Capacity16GB (stores approximately 4,000 songs)
Supported Audio FormatsMP3, WMA, WAV, FLAC
Transmission RangeApproximately 10m / 3ft
Waterproof RatingIPX8
Microphone Sensitivity-37dB
Speaker Impedance32 ohms
Speaker Power0.6 ~ 0.8W X2
Battery Capacity350mAh Lithium Battery
Charging Time2 hours
Playback Time6 to 8 hours

6. Setup

6.1 Charging the Headphones

  1. Locate the charging port on your K7 headphones.
  2. Ensure the charging port is completely dry before connecting the charging cable.
  3. Connect the provided charging cable to the headphones and a USB power source (e.g., computer, wall adapter).
  4. The charging indicator light will illuminate. A full charge takes approximately 2 hours.
  5. Once fully charged, disconnect the cable and securely install the waterproof plug on the charging port, especially if planning to use the headphones in water.

6.2 Transferring Music (MP3 Mode)

The K7 headphones have 16GB of built-in memory for local music playback.

  1. Connect the headphones to your computer using the provided charging cable. The headphones will appear as a removable disk drive.
  2. Drag and drop your desired MP3, WMA, WAV, or FLAC audio files into the headphones' storage folder.
  3. Safely eject the headphones from your computer once the transfer is complete.

7. Operating Instructions

7.1 Power On/Off

  • Power On: Press and hold the power button for 3 seconds. The headphones will power on and automatically enter local music (MP3) mode.
  • Power Off: Press and hold the power button for 3 seconds until the indicator light turns off.

7.2 Switching Between Modes (MP3 / Bluetooth)

  • While the headphones are powered on, press the power button once to switch between local music (MP3) mode and Bluetooth connection mode.

7.3 Bluetooth Pairing

  1. Ensure the headphones are in Bluetooth connection mode (refer to 7.2). The indicator light will flash, indicating pairing mode.
  2. On your device (smartphone, tablet, PC), enable Bluetooth and search for available devices.
  3. Select "K7" from the list of found devices to pair.
  4. Once paired, the indicator light will stop flashing and remain solid.

7.4 Music Playback and Volume Control

Use the dedicated buttons on the headphones for playback control and volume adjustment. (Specific button functions are typically indicated by symbols on the buttons themselves, e.g., + for volume up, - for volume down, play/pause for playback control.)

8. Maintenance

8.1 Cleaning

  • Wipe the headphones with a soft, damp cloth. Do not use harsh chemicals or abrasive cleaners.
  • Ensure the charging port is clean and dry before charging.

8.2 Storage

  • Store the headphones in a cool, dry place away from direct sunlight and extreme temperatures.
  • If storing for an extended period, recharge the headphones once a month to prevent battery degradation.

9. Troubleshooting

  • No Power: Ensure the headphones are fully charged.
  • Cannot Pair Bluetooth: Make sure the headphones are in Bluetooth pairing mode (indicator light flashing) and within range of your device. Try restarting both the headphones and your device.
  • No Sound: Check the volume level on both the headphones and your connected device. Ensure the correct mode (MP3 or Bluetooth) is selected.
  • Poor Sound Quality: Ensure the headphones are positioned correctly on your cheekbones. For Bluetooth, ensure you are within range and there is no interference.
  • Headphones not recognized by computer: Ensure the charging cable is properly connected and try a different USB port or cable.

10. Warranty and Support

For warranty information and technical support, please refer to the purchase platform or contact Lazmin112 customer service directly. Keep your proof of purchase for warranty claims.