User Manual for JUNJIEUNVO YYK-520 Bluetooth Earphones

Product Overview

The JUNJIEUNVO YYK-520 Bluetooth Earphones are designed for versatile use, including business, office, and driving. Featuring Bluetooth V5.3+EDR connectivity, a 270-degree rotating microphone, and an LED charging case, these earphones offer extended standby time and compatibility with both Android and iPhone devices.

Image: The YYK-520 Bluetooth earphone shown alongside its charging case, which features an LED display for battery status.

Package Contents

Please verify that all items are present in the package:

• YYK-520 Bluetooth Earphone
• Charging Case
• User Manual
• Spare Ear Cap(s)
• Type-C Charging Cable

Product Diagram and Controls

Familiarize yourself with the earphone's components and control buttons.

Image: A detailed diagram illustrating the location and function of each button and port on the YYK-520 earphone, including the Type-C charging port, MFB key, volume controls, and microphone.

• Type-C Port: For charging the earphone.
• MFB Key (Multi-Function Button): Controls power on/off, play/pause, answer/end calls.
• Volume + / Next Song: Increases volume, skips to the next track.
• Volume - / Last Song: Decreases volume, goes to the previous track.
• Indicator Light: Shows device status (pairing, charging, etc.).
• Microphone: For voice input during calls. Can be rotated 270 degrees.
• Intelligent Digital Display (on case): Shows battery percentage of the charging case and earphone.

Setup

1. Charging the Earphone and Case

Before first use, fully charge the earphone and its charging case.

• Connect the Type-C charging cable to the charging port on the case and a USB power source.
• Place the earphone into the charging case. The intelligent digital display on the case will show the charging status.
• Charging time for the earphone is approximately 1.5 hours. The charging case has a 500mAh battery, and the earphone has a 60mAh battery.
• Once fully charged, the display will indicate 100%.

Image: The YYK-520 earphone resting in its charging case, highlighting the LED digital display that shows battery levels and the various control buttons on the earphone itself.

2. Bluetooth Pairing

The earphone supports automatic connection after initial pairing.

• Ensure the earphone is charged.
• Take the earphone out of the charging case. It will automatically enter pairing mode, and the indicator light will flash.
• On your device (smartphone, tablet, etc.), enable Bluetooth.
• Search for available Bluetooth devices and select "YYK-520" from the list.
• Once connected, the earphone's indicator light will stop flashing, and your device will confirm the connection.
• The earphone will automatically connect to the last paired device when taken out of the case. To disconnect, simply place it back into the charging case.

Image: The YYK-520 earphone in its charging case, with a smartphone screen in the background displaying the Bluetooth pairing menu, illustrating the automatic connection feature.

Operating Instructions

Power On/Off

• Power On: Take the earphone out of the charging case. It will power on automatically.
• Power Off: Place the earphone back into the charging case. It will power off automatically.
• Alternatively, press and hold the MFB key for approximately 3-5 seconds to manually power on or off.

Call Management

• Answer/End Call: Press the MFB key once.
• Reject Call: Press and hold the MFB key for 2 seconds.
• Third Party Call Handover: Refer to the product diagram for the specific button (likely a long press or double press of MFB or volume button, exact action not specified in input, but the diagram shows the icon).
• Microphone On/Off: Refer to the product diagram for the specific button (likely a dedicated button or a combination press, exact action not specified in input, but the diagram shows the icon).

Image: A man wearing the YYK-520 earphone, demonstrating its use for calls, emphasizing the call noise reduction feature for clear communication.

Music Playback

• Play/Pause: Press the MFB key once.
• Next Song: Press the Volume + button.
• Last Song: Press the Volume - button.

Volume Control

• Increase Volume: Press the Volume + button.
• Decrease Volume: Press the Volume - button.

Voice Assistant (Siri)

• Activate Voice Assistant: Refer to the product diagram for the specific button (likely a long press of MFB or a dedicated button, exact action not specified in input, but the diagram shows the icon for "Call Siri").

Maintenance

Proper maintenance ensures the longevity and performance of your YYK-520 earphones.

• Cleaning: Use a soft, dry cloth to clean the earphone and charging case. Do not use abrasive cleaners or solvents.
• Storage: When not in use, store the earphone in its charging case to protect it from dust and damage. Store in a cool, dry place.
• Water Resistance: The earphone has an IPX5 rating, meaning it is protected against low-pressure water jets from any direction. It is sweat-proof and suitable for sports. However, it is not designed for submersion in water. Do not expose it to heavy rain or immerse it.

Image: A person under a light shower, wearing the YYK-520 earphone, illustrating its IPX5 sweat-proof and water-resistant capabilities for outdoor activities.

Troubleshooting

If you encounter issues with your YYK-520 earphones, try the following solutions:

Specifications

Detailed technical specifications for the YYK-520 Bluetooth Earphones.

Warranty and Support

For warranty information and customer support, please refer to the documentation included with your purchase or contact the manufacturer directly.

Manufacturer: UNVO

For further assistance, please visit the official JUNJIEUNVO store on Amazon or contact their customer service.

Visit JUNJIEUNVO Store on Amazon