ZHINDVIS Bluetooth 5.4 Headphones

Introduction

Thank you for choosing the ZHINDVIS EV68 Bluetooth 5.4 Headphones. These HiFi stereo earbuds are designed to provide a superior audio experience with fast and stable connectivity, advanced noise cancellation for clear calls, and extended battery life. This manual will guide you through the setup, operation, maintenance, and troubleshooting of your new headphones.

For optimal performance and longevity, please read this manual carefully before using the product.

Product Overview

Image: The ZHINDVIS EV68 Bluetooth Headphones, white in color, are shown resting in their transparent charging case. The case features a prominent black LED display panel at the front, indicating "L" for the left earbud, a battery level indicator, "100" for the charging case's battery percentage, and "R" for the right earbud. Both earbuds have a small blue light indicating their status. The design includes ear hooks for secure fit.

The ZHINDVIS EV68 headphones feature an ergonomic in-ear design with ear hooks for a secure and comfortable fit. The accompanying charging case provides extended battery life and includes a digital LED display to show the battery status of both the earbuds and the case itself.

Setup

1. Initial Charging

Before first use, fully charge the headphones and the charging case. Connect the charging case to a USB power source using a compatible cable. The LED display on the charging case will show the charging progress. A full charge for the earbuds takes approximately 1.5 hours. The charging case provides multiple charges, extending total playback time up to 48 hours.

2. Pairing with Your Device

1. Ensure the earbuds are charged and placed inside the charging case.
2. Open the charging case. The earbuds will automatically enter pairing mode, indicated by a flashing light (e.g., blue/red) on the earbuds.
3. On your device (smartphone, tablet, computer), enable Bluetooth.
4. Search for available Bluetooth devices. Select "EV68" or "ZHINDVIS EV68" from the list.
5. Once connected, the earbud indicator lights will stop flashing, and your device will confirm the connection.
6. If pairing fails, place the earbuds back into the case, close the lid, wait a few seconds, and then repeat the steps.

Operating Instructions

Basic Controls (Assumed Touch Controls)

• Play/Pause: Single tap on either earbud.
• Next Track: Double tap on the right earbud.
• Previous Track: Double tap on the left earbud.
• Volume Up: Triple tap on the right earbud.
• Volume Down: Triple tap on the left earbud.
• Answer/End Call: Single tap on either earbud during an incoming call.
• Reject Call: Press and hold either earbud for 2 seconds during an incoming call.
• Activate Voice Assistant: Press and hold either earbud for 3 seconds.

Clear Call Experience (ENC Noise Reduction)

The ZHINDVIS EV68 headphones incorporate advanced ENC (Environmental Noise Cancellation) technology and are equipped with 4 high-performance microphones. This system effectively filters out over 80% of external noise, ensuring your voice is accurately captured and transmitted clearly to the other party, even in noisy environments like busy commutes or workplaces.

Dual LED Digital Display

The charging case features a clear LED display that shows the battery level of both the left (L) and right (R) earbuds, as well as the charging percentage of the case itself. This allows you to monitor the remaining power at a glance, ensuring an uninterrupted music experience.

Maintenance

• Cleaning: Regularly clean the earbuds and charging case with a soft, dry, lint-free cloth. Do not use abrasive cleaners or solvents.
• Storage: When not in use, store the headphones in their charging case to protect them from dust and damage. Store in a cool, dry place away from direct sunlight and extreme temperatures.
• Battery Care: To prolong battery life, avoid fully discharging the battery frequently. Charge the case and earbuds regularly, even if not in constant use.
• Water Resistance: These headphones are not specified as waterproof. Avoid exposure to water, sweat, or high humidity.

Troubleshooting

Specifications

• Model: EV68
• Connectivity: Bluetooth 5.4
• Earbud Battery: 3.7V 430mAh (per earbud)
• Total Playback Time: Up to 48 hours (with charging case)
• Earbud Charging Time: Approximately 1.5 hours
• Noise Reduction: Advanced ENC Call Noise Reduction
• Microphones: 4 high-performance microphones
• Ear Placement: In Ear
• Form Factor: In Ear
• Color: Black
• Item Weight: 0.13 Kilograms
• Manufacturer: Dongguan Harmony Electronic Technology Co., Ltd
• Package Dimensions: 10 x 8 x 4 cm

Warranty and Support

ZHINDVIS products are manufactured to high quality standards. For information regarding warranty coverage, technical support, or service inquiries, please refer to the warranty card included with your purchase or contact your retailer. Please retain your proof of purchase for any warranty claims.