StitchGreen K75 Wireless Bluetooth 5.3 Stereo In-Ear Headphones User Manual

1. Introduction

Thank you for choosing the StitchGreen K75 Wireless Bluetooth 5.3 Stereo In-Ear Headphones. These earbuds are designed to provide a superior audio experience with advanced features such as Bluetooth 5.3 connectivity, Environmental Noise Cancellation (ENC), immersive stereo sound, and IPX4 waterproofing. This manual will guide you through the setup, operation, and maintenance of your new earbuds.

Image 1.1: Overview of StitchGreen K75 Earbuds and their main features.

2. What's in the Box

Please check the package contents to ensure all items are present:

• StitchGreen K75 Wireless Earbuds
• Charging Case
• Eartips (various sizes)
• USB-C Charging Cable
• User Manual

3. Setup

3.1 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 charging case features a battery percentage display to indicate the current charge level.

Image 3.1: Battery percentage display on the charging case.

3.2 Power On and Pairing

1. Power On: Open the charging case. The earbuds will automatically power on and enter pairing mode.
2. Bluetooth Connection: On your device (smartphone, tablet, laptop), enable Bluetooth and search for available devices. Select "StitchGreen K75" from the list.
3. Confirmation: Once connected, you will hear an audio prompt, and the earbuds' indicator lights will change.

The earbuds are designed for automatic connection pairing. Simply take them out of the case for immediate use after the initial pairing.

Image 3.2: Automatic connection pairing upon removal from case.

3.3 Wearing the Earbuds

Choose the ear tips that provide the most comfortable and secure fit for optimal sound quality and noise isolation. Gently insert the earbuds into your ears and twist slightly to secure them.

4. Operating Instructions

4.1 Touch Controls

The K75 earbuds feature intuitive touch controls on the stem of each earbud. Specific functions may vary, but common controls include:

• Play/Pause: Single tap.
• Next Track: Double tap right earbud.
• Previous Track: Double tap left earbud.
• Answer/End Call: Single tap during an incoming call.
• Reject Call: Press and hold.
• Activate Voice Assistant: Triple tap.
• Toggle RGB Lights: Press and hold for 2 seconds (functionality may vary).

4.2 Key Features

• Bluetooth 5.3: Provides faster pairing, seamless connectivity, and low-latency performance for music, gaming, and calls.
• Environmental Noise Cancellation (ENC): Advanced ENC technology ensures clear voice calls by reducing background noise, even in noisy environments.
• Immersive Stereo Sound: Experience deep bass, rich mids, and crisp highs for an enhanced audio experience.


Image 4.1: Immersive Stereo Sound experience.

• IPX4 Waterproof: The sweat and splash-resistant design makes these earbuds suitable for workouts and outdoor activities.


Image 4.2: IPX4 Waterproof feature.

• Long Battery Life: Enjoy 4-5 hours of playtime on a single charge, with additional charges provided by the compact charging case.


Image 4.3: Long Battery Life feature.

• Gaming Mode: The earbuds support a dedicated gaming mode for optimized audio and reduced latency during gameplay.


Image 4.4: Gaming Mode for enhanced audio positioning.

• RGB Breathing Lights: The earbuds feature colorful flowing RGB lights, enhancing the aesthetic and gaming experience.


Image 4.5: Colorful flowing RGB lights on the earbuds.

4.3 Product Display and Special Design

The charging case has a unique design that allows the earbuds to be displayed with their RGB lights active when the case is open. This also shows the battery level indicators.

Video 4.1: A demonstration of the StitchGreen K75 earbuds' RGB lights and special design within the charging case, alongside a smartphone playing music. This video illustrates the product's aesthetic features and how the lights interact with the case.

5. Maintenance

5.1 Cleaning

• Regularly clean the earbuds and charging case with a soft, dry, lint-free cloth.
• Do not use harsh chemicals, cleaning solvents, or strong detergents.
• Remove ear tips and clean them separately with mild soap and water if necessary, ensuring they are completely dry before reattaching.

5.2 Storage

When not in use, store the earbuds in their charging case to protect them from dust, damage, and to keep them charged. Avoid extreme temperatures and direct sunlight.

6. Troubleshooting

7. Specifications

8. Warranty Information

StitchGreen products are manufactured to the highest quality standards. For specific warranty details, please refer to the warranty card included in your product packaging or visit the official StitchGreen website. Keep your purchase receipt as proof of purchase for any warranty claims.

9. Customer Support

If you encounter any issues or have questions regarding your StitchGreen K75 earbuds, please contact our customer support team. You can find contact information on the StitchGreen official website or through your purchase platform. Please have your model number (K75) and purchase details ready when contacting support.