QERE E28

QERE E28 Wireless Earphones User Manual

Model: E28

1. Introduction

Thank you for choosing the QERE E28 Wireless Earphones. This manual provides detailed instructions on how to set up, operate, and maintain your earphones to ensure optimal performance and longevity. Please read this manual thoroughly before using the product.

2. Package Contents

Verify that all items listed below are present in your package:

  • QERE E28 Wireless Earbuds (1 pair)
  • Charging Case (1 unit)
  • USB Type-C Charging Cable (1 unit)
  • User Manual (1 unit)
QERE E28 Wireless Earphones and Charging Case

Image: The QERE E28 wireless earbuds are shown inside their open charging case, illustrating the product's main components.

3. Product Overview

The QERE E28 earphones feature a compact design with advanced audio technology. Key components include:

  • Earbuds: Each earbud is equipped with a 13mm dynamic driver for Hi-Fi sound and multiple microphones for clear calls.
  • Charging Case: Provides additional battery life and protects the earbuds. Features a Type-C charging port.
  • Touch Control: Intuitive touch sensors on each earbud for managing playback, calls, and voice assistants.
Diagram of QERE E28 Earbud Touch Controls

Image: A close-up of the QERE E28 earbuds highlighting the touch control areas and their functions: Answer/End a call, Microphone, Play/Pause, Previous/Next Song.

Diagram of 13mm Dynamic Speaker in QERE E28 Earphones

Image: An exploded view illustrating the internal 13mm dynamic speaker component of the QERE E28 earphone, emphasizing its role in delivering powerful bass and Hi-Fi sound quality.

4. Setup

4.1. Charging the Earphones and Case

Before first use, fully charge the earphones and charging case.

  1. Place the earbuds into the charging case.
  2. Connect the provided USB Type-C cable to the charging port on the case and to a power source.
  3. The indicator light on the case will show charging status. A full charge takes approximately 1.5 hours.

The charging case provides approximately 20 hours of play time, with each earbud offering up to 6 hours on a single charge.

QERE E28 Earphones Battery Life Information

Image: An infographic detailing the battery life of the QERE E28 earphones: 6 hours per charge, 20 hours with the charging case, and 1.5 hours for a full charge.

4.2. Bluetooth Pairing

Follow these steps to pair your QERE E28 earphones with your device:

  1. Ensure the earbuds are charged and placed in the charging case.
  2. Open the charging case. The earbuds will automatically enter pairing mode.
  3. On your device (smartphone, tablet, computer), navigate to the Bluetooth settings.
  4. Turn on Bluetooth and search for available devices.
  5. Select "E28" from the list of devices.
  6. Once connected, you will hear a confirmation tone, and the indicator light on the earbuds may change.

The earphones utilize Bluetooth 5.3 for a stable and efficient connection with a range of up to 15 meters.

QERE E28 Earphones Bluetooth 5.3 Pairing

Image: The QERE E28 charging case and earbuds are shown next to a smartphone displaying its Bluetooth settings, with "E28" listed as a discoverable device, illustrating the Bluetooth 5.3 pairing process.

5. Operating Instructions

The QERE E28 earphones feature intuitive touch controls. The following table outlines common functions:

FunctionAction
Play/Pause MusicSingle tap on either earbud
Next TrackDouble tap on the right earbud
Previous TrackDouble tap on the left earbud
Answer/End CallSingle tap on either earbud
Reject CallPress and hold either earbud for 2 seconds
Activate Voice Assistant (Siri/Google Assistant)Triple tap on either earbud
Volume UpPress and hold the right earbud
Volume DownPress and hold the left earbud

5.1. Call Management

The earphones feature 4 microphones with Environmental Noise Cancellation (ENC) for clear call quality, even in noisy environments.

QERE E28 Environmental Noise Cancellation (ENC) for Calls

Image: A visual representation of how Environmental Noise Cancellation (ENC) works with the QERE E28 earphones, showing noise reduction in various environments like offices, cafes, subways, and airplanes for crystal clear calls.

5.2. Low Latency Mode

The QERE E28 earphones offer an ultra-low latency of 60ms, enhancing the experience for gaming and video playback by minimizing audio delay.

QERE E28 Earphones 60ms Ultra-Low Latency for Gaming

Image: A person is shown playing a mobile game with the QERE E28 earphones, illustrating the benefit of 60ms ultra-low latency for a smooth and immersive gaming experience.

6. Maintenance

6.1. Cleaning

  • Regularly clean the earbuds and charging case with a soft, dry, lint-free cloth.
  • Do not use abrasive cleaners, alcohol, or chemical solvents.
  • Gently remove any earwax or debris from the earbud mesh using a small, soft brush.

6.2. Water Resistance

The QERE E28 earphones are IPX5 water-resistant, meaning they can withstand light rain, accidental splashing, and sweat. They are not designed for submersion in water or use during swimming.

QERE E28 Earphones IPX5 Water Resistance

Image: The QERE E28 charging case and earbuds are depicted on a wet surface with water droplets, illustrating their IPX5 water resistance against light rain, accidental splashing, and sports sweating.

6.3. Storage

When not in use, store the earphones in their charging case to protect them from dust and damage.

7. Troubleshooting

ProblemSolution
Earphones not pairing
  • Ensure earbuds are charged.
  • Turn off and on Bluetooth on your device.
  • Forget "E28" from your device's Bluetooth list and re-pair.
  • Place earbuds back in the case, close, then open to re-enter pairing mode.
No sound from one earbud
  • Ensure both earbuds are charged.
  • Try placing both earbuds back in the case and taking them out again.
  • Perform a factory reset (refer to manufacturer's website if not in manual).
Charging case not charging
  • Check the USB-C cable and power adapter.
  • Ensure the charging port is clean and free of debris.
Poor call quality
  • Ensure microphones are not obstructed.
  • Move closer to your connected device.
  • Avoid very noisy environments if possible, though ENC helps.

8. Specifications

FeatureDetail
ModelE28
Bluetooth Version5.3
Wireless Range≤15 meters
Earbud Battery Capacity3.7V/35mAh
Case Battery Capacity3.7V/350mAh (Lithium Polymer)
Play Time Per ChargeUp to 6 hours
Total Play Time (with case)Up to 20 hours
Full Charging TimeApprox. 1.5 hours
Driver Size13mm Dynamic Driver
MicrophonesDual Microphones per earbud (4 total) with ENC
Waterproof RatingIPX5
Wireless Delay Time60ms Ultra-Low Latency
Control MethodTouch Control
CompatibilityIOS/Android/Windows
MaterialABS+PC
WeightApprox. 4.6 ounces (total package)

9. Safety Information

  • Do not expose the earphones or charging case to extreme temperatures, direct sunlight, or fire.
  • Avoid listening at high volume levels for extended periods to prevent hearing damage.
  • Do not attempt to disassemble or modify the product. This may void the warranty and cause damage.
  • Keep out of reach of children and pets.
  • Dispose of the product and its battery responsibly according to local regulations.

10. Warranty and Support

The QERE E28 Wireless Earphones come with a standard manufacturer's warranty. For specific warranty terms and conditions, please refer to the documentation included with your purchase or contact QERE customer support.

For technical support or inquiries, please visit the official QERE website or contact their customer service department. Contact information is typically found on the product packaging or the brand's official online presence.

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