Shenzhen Qianqian Leopard Technology Co Ltd K21 Wireless Neck-Hanging Headset User Manual

Shenzhen Qianqian Leopard Technology Co Ltd K21 Wireless Neck-Hanging

Headset

Product Information

Specifications:

• Product Type: Bluetooth Headphones and Speakers
• Wireless Audio Compatibility: Universal
• Charging Cable: Micro-USB, USB-C, or proprietary (model dependent)

Product Usage Instructions

Introduction
Thank you for choosing our universal Bluetooth headphones and speakers. This manual provides comprehensive instructions for usage and maintenance of your devices. Please read it carefully before use to ensure optimal performance, efficiency, and longevity.

Product Overview
Our Bluetooth headphones and speakers deliver wireless audio immersion with powerful and balanced sound output. Enjoy an immersive audio experience with our products.

Package Contents

• Bluetooth Headphones
• Bluetooth Speakers
• Charging Cable (Micro-USB, USB-C, or proprietary)
• User Manual

Initial Steps
Prior to first use, fully charge your devices using the provided charging cable. Turn on the Bluetooth functionality on your audio source device.

Language Switch
To switch languages, double-click after booting.

Headphone Features and Functions

• Power Button: Press and hold to power on/off the headphones.
• Volume Control: Adjust the volume using the corresponding buttons on the headphones or your device.

FAQs

• Q: What should I do if my device encounters interference?
  A: If interference occurs, try reorienting or relocating the receiving antenna, increasing separation between devices, or consulting a professional for assistance.

Introduction

Thank you for choosing our universal Bluetooth headphones and speakers. This manual provides comprehensive instructions for using and maintaining your devices. Please carefully before use to ensure optimal performance and longevity.

Product Overview

Our Bluetooth headphones and speakers are designed for wireless audio reproduction with high-quality sound. The headphones offer comfortable wear and immersive audio, while the speakers deliver powerful and balanced sound output.

Package Contents

• Bluetooth headphones ·Bluetooth speaker(s)
• Charging cable (micro-USB.USB-C, or proprietary, depending on the
• User manual

Getting Started

• Charge your devices fully before initial use using the provided charging cable.
•  Turn on the Bluetooth functionality on your audio source device.

Switching speech

• Double-click after boot.

Headphone Features and Functions

• Power switch/on/off button: Press and hold to turn the headphones on or off.
• Volume control: Adjust the volume using the dedicated buttons on the headphones or your device.
• Play/pause, skip, and rewind controls (if applicable): Use the inline or earcup buttons to control playback.
• Microphone (If applicable): Use the built-in microphone for phone calls or voice commands. Ensure it is positioned close to your mouth for optimal pickup.
• Comfort features: Adjust the headband and ear cushions for a comfortable fit.

Speaker Features and Functions

• Power switch/on/off button: Press and hold to turn the speaker or off.
• Volume control: Adjust the volume using the dedicated buttons or knobs on the speaker or your device.
• Playback controls (if applicable): Use the buttons on the speaker to control playback.
• Bass and treble adjustment (If applicable): Fine-tune the audio output using the bass and treble controls.

Bluetooth Connectlvity
These devices support wireless connectivity via Bluetooth technology. Ensure that your audio source device has Bluetooth functionality enabled.

Pairing and Connection

• Headphones: Press and hold the power button until the LED indicator flashes blue and red, indicating pairing mode. On your Audio Source device, select the headphones from the available Bluetooth devices list.
• Speakers: Press and hold the power button until the LED indicator flashes blue.indicating pairing mode. On your audio source device. select the speaker from the available Bluetooth devices list.

Troubleshooting

• If you encounter any issues, try the following solutions.
• Check that the devices are charged and powered on.
• Ensure that Bluetooth is enabled on both the headphones/speaker and your audio source device. send your audio source device.
• Restart both devices and attempt pairing again.
• If the connection is unstable, move the devices closer together or remove any potential sources of interference.

Maintenance and Care

• Keep the devices clean and dry.
• Avoid exposing them to extreme temperatures, humidity or direct sunlight to. Do not immerse the devices in water or other liquids.
• When not in use, store the devices in a safe place.

Warranty Information

For warranty details, please refer to the documentation provided with your purchase or contact our customer support team at [insert contact information on]. Thank you for choosing our Bluetooth headphones and speakers. We hope you enjoy an exceptional wireless audio experience with your new devices.

FCC Statement

Warning: Changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.

NOTE: 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 thatmay cause undesired operation.

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 1correct 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.

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