Introduction
The ZOMBIES CAT B3 Open Ear Wireless Earbuds provide a unique audio experience with an open-ear design, allowing you to enjoy sound while remaining aware of your surroundings. This manual provides instructions for the proper setup, operation, and maintenance of your earbuds to ensure optimal performance and longevity.
Package Contents
Please verify that all items are present in your package:
- ZOMBIES CAT B3 Open Ear Wireless Earbuds
- Charging Case
- USB-C Charging Cable
- User Manual

Product Overview
The ZOMBIES CAT B3 earbuds feature an innovative open-ear design for comfort and situational awareness, combined with advanced audio technology.
- Open-Ear Design: Transmits sound via vibrations, keeping your ears open to ambient sounds for increased safety.
- Bluetooth 5.3: Ensures stable and efficient wireless connectivity.
- LED Lighting: Integrated LED lights provide a distinctive visual element.
- Lightweight and Comfortable: Weighing only 45 grams with an ergonomic design for extended wear.
- Dual Mode Function: Easily switch between music and game modes for optimized audio performance.


Setup
1. Charging the Earbuds and Case
Before first use, fully charge the earbuds and charging case. Connect the provided USB-C cable to the charging port on the case and to a compatible USB power source. The LED indicators on the case will show the charging status.
- Earbud Charging Time: Approximately 1 hour
- Case Charging Time: Approximately 1.5 hours
- Playback Time (Earbuds): Up to 5-6 hours on a single charge
- Total Playback Time (with Case): Up to 40 hours

2. Bluetooth Pairing
- Open the charging case. The earbuds will automatically enter pairing mode.
- On your device (smartphone, tablet, laptop), enable Bluetooth.
- Search for available Bluetooth devices and select "ZOMBIES CAT B3" from the list.
- Once connected, you will hear an audible confirmation, and the earbuds' indicator lights will change.
Operating Instructions
The ZOMBIES CAT B3 earbuds feature touch controls on each earbud. Refer to the following instructions for various functions:
Music Mode Controls
- Play/Pause: Click the left or right earbud button once.
- Previous Song: Double-click the right earbud button.
- Next Song: Double-click the left earbud button.
- Volume Decrease: Triple-click the left earbud button.
- Volume Increase: Triple-click the right earbud button.
Game Mode
- Enter Game Mode: Four clicks on either earbud button.
Call Mode Controls
- Answer Incoming Call: Click the left or right earbud button once.
- Hang Up Call: Click the left or right earbud button once during a call.
- Reject Call: Double-click the left or right earbud button.
- Voice Assistant: Long press the left or right earbud button for 3 seconds.

Maintenance
Proper maintenance ensures the longevity and performance of your earbuds.
- Cleaning: Regularly wipe the earbuds and charging case with a soft, dry, lint-free cloth. Do not use harsh chemicals or abrasive materials.
- Storage: When not in use, store the earbuds in their charging case to protect them from dust and damage. Store in a cool, dry place.
- Water Resistance: The earbuds are waterproof. However, avoid prolonged submersion in water and ensure they are dry before placing them back in the charging case to prevent damage to the charging contacts.
Troubleshooting
If you encounter issues with your ZOMBIES CAT B3 earbuds, try the following solutions:
| Problem | Solution |
|---|---|
| Earbuds not pairing | Ensure earbuds are charged. Turn off and on your device's Bluetooth. Forget the device in your Bluetooth settings and re-pair. |
| No sound | Check device volume and earbud volume. Ensure earbuds are connected. Try playing different audio. |
| Charging issue | Verify the charging cable and adapter are working. Ensure charging contacts on earbuds and case are clean and dry. |
| Poor sound quality | Ensure earbuds are within Bluetooth range of your device. Avoid interference from other wireless devices. |
Specifications
| Feature | Detail |
|---|---|
| Model Number | QCWSB3003-DE |
| Bluetooth Version | 5.3 |
| Earbud Playback Time | 5-6 hours |
| Total Playback Time (with case) | Up to 40 hours |
| Earbud Charging Time | 1 hour |
| Case Charging Time | 1.5 hours |
| Case Battery Capacity | 250 mAh |
| Weight | 45 Grams |
| Impedance | 32 Ohms |
| Audio Driver Size | 13 Millimeters |
| Noise Control | Adaptive Noise Reduction |
| Water Resistance | Waterproof |
| Compatible Devices | Mobile phones, laptops, smartwatches, tablets |
| Material | Plastic, Metal |
Warranty and Support
For warranty information and customer support, please refer to the documentation included with your purchase or contact the retailer. Keep your proof of purchase for any warranty claims.

