coioc S25

coioc S25 Bluetooth 5.3 Wireless Earbuds User Manual

Model: S25

Introduction

Thank you for choosing the coioc S25 Bluetooth 5.3 Wireless Earbuds. These earbuds are designed to provide a high-quality audio experience with powerful deep bass, a comfortable ergonomic fit, and advanced features like Bluetooth 5.3 connectivity, an LED power display, and IPX7 waterproofing. This manual will guide you through the setup, operation, and maintenance of your new earbuds to ensure optimal performance and longevity.

coioc S25 charging case attached to a backpack, demonstrating its portable design.

Image: The coioc S25 charging case with a lanyard, shown attached to a backpack, illustrating its portable design for easy carrying.

Package Contents

Please check the package for the following items:

  • coioc S25 Wireless Earbuds (Left and Right)
  • Charging Case
  • USB-C Charging Cable
  • Silicone Eartips (Small, Medium, Large)
  • User Manual

Setup

1. Initial Charging

Before first use, fully charge the earbuds and the charging case. Connect the provided USB-C cable to the charging port on the case and to a power source. The LED power display on the case will indicate the charging status.

LED Power Display on coioc S25 charging case and earbuds

Image: The charging case with an LED display showing battery levels for both the case and the individual earbuds.

The LED display shows the charging percentage of the case and individual battery bars for each earbud. A full charge provides up to 6 hours of listening time for the earbuds, with the charging case offering an additional 5 charges for a total of up to 35 hours of playtime.

Image showing coioc S25 earbuds and charging case, indicating up to 6 hours playtime for earbuds and 40 hours total with case.

Image: The coioc S25 earbuds and charging case, illustrating playtime. The image indicates up to 6 hours for a single earbud charge and up to 40 hours total with the charging case. Please note that product specifications state up to 35 hours total playtime.

2. Wearing the Earbuds

Select the silicone eartips that provide the most comfortable and secure fit for your ears. A proper fit is crucial for optimal sound quality and noise isolation.

  1. Choose the eartip size (S/M/L) that best seals your ear canal.
  2. Insert the earbuds into your ears and gently rotate them until they feel secure and comfortable.
Person wearing coioc S25 earbuds with diagrams showing ergonomic design and soft silicone eartips

Image: A person wearing the coioc S25 earbuds, highlighting their ergonomic design and the soft silicone eartips for a secure and comfortable fit.

3. Pairing with Your Device

The coioc S25 earbuds feature Bluetooth 5.3 for a stable and fast connection.

  1. Open the charging case and remove both earbuds. They will automatically power on and enter pairing mode.
  2. On your device (smartphone, tablet, computer), go to the Bluetooth settings.
  3. Search for available devices and select "coioc S25" from the list.
  4. Once connected, you will hear a confirmation tone, and the earbuds will be ready for use.

The earbuds will automatically reconnect to the last paired device when removed from the case, provided Bluetooth is enabled on your device.

Operating Instructions

Power On/Off

  • Power On: Remove the earbuds from the charging case. They will power on automatically.
  • Power Off: Place the earbuds back into the charging case. They will power off automatically and begin charging.

Touch Controls

The coioc S25 earbuds feature intuitive touch controls on each earbud. The specific functions may vary slightly depending on your device and application.

ActionFunction
Single Tap (Left/Right)Play/Pause Music, Answer/End Call
Double Tap (Right Earbud)Next Track
Double Tap (Left Earbud)Previous Track
Triple Tap (Left/Right)Activate Voice Assistant
Long Press (Left/Right)Reject Call

Sound Quality

The earbuds feature 13mm large drivers with a high-quality PU composite diaphragm, delivering powerful bass and clear treble for a rich stereo sound experience.

Diagram showing the 13mm large driver for deep bass in coioc S25 earbuds

Image: An exploded view diagram illustrating the 13mm large driver responsible for deep bass in the coioc S25 earbuds.

Maintenance

  • Cleaning: Regularly clean the earbuds, especially the eartips and charging contacts, with a dry, soft, lint-free cloth. Do not use harsh chemicals or abrasive materials.
  • Water Resistance: The earbuds are IPX7 waterproof, meaning they are protected against immersion in water up to 1 meter for 30 minutes. They are suitable for sports and workouts where sweat or light rain may occur. However, they are not designed for swimming or prolonged submersion. Ensure the earbuds are dry before placing them back in the charging case.
  • Storage: Store the earbuds in their charging case when not in use to protect them and keep them charged.
  • Temperature: Avoid exposing the earbuds to extreme temperatures (hot or cold) or high humidity.

Troubleshooting

If you encounter any issues with your coioc S25 earbuds, please refer to the following common solutions:

ProblemPossible Solution
Earbuds not pairing/connecting
  • Ensure earbuds are charged.
  • Turn off and on Bluetooth on your device.
  • Forget "coioc S25" from your device's Bluetooth list and re-pair.
  • Place earbuds back in the case, close it, wait a few seconds, then remove them to re-enter pairing mode.
No sound or low volume
  • Check the volume level on both your device and the earbuds.
  • Ensure earbuds are properly seated in your ears.
  • Clean any debris from the earbud speakers and eartips.
  • Try re-pairing the earbuds.
Charging issues
  • Ensure the USB-C cable is securely connected to both the case and the power source.
  • Verify the power source is working.
  • Clean the charging contacts on both the earbuds and inside the charging case.

Specifications

FeatureDetail
Model NumberS25
Bluetooth Version5.3
Earbud PlaytimeUp to 6 hours (single charge)
Total Playtime (with case)Up to 35 hours
Water Resistance RatingIPX7
Driver Size13mm
Frequency Range20 Hz - 20,000 Hz
Control TypeTouch Control
Earbud Form FactorIn-Ear
Weight43 Grams (total)
Charging PortUSB-C

Warranty and Support

Specific warranty information for the coioc S25 earbuds is not provided in the product details. For warranty claims, technical support, or any other inquiries, please refer to the contact information provided with your purchase or visit the official coioc website.

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