Introduction
Thank you for choosing the ZOMBIES CAT B5003-DE Wireless Bluetooth Earbuds. This manual provides essential information for setting up, operating, and maintaining your earbuds to ensure optimal performance and longevity. Please read this manual thoroughly before use.
Package Contents
Verify that all items are present in your package:
- ZOMBIES CAT B5003-DE Wireless Bluetooth Earbuds
- Charging Case
- USB Charging Cable
- Ear Tips (various sizes)
- User Manual

Image: The ZOMBIES CAT B5003-DE earbuds and their charging case, showcasing features like Active Noise Cancellation, 60 hours of battery life, Bluetooth 5.4, and RGB lighting.
Product Overview
The ZOMBIES CAT B5003-DE earbuds are designed for a superior audio experience with advanced features:
- Audio Modes: Easily switch between Active Noise Cancellation (ANC), Transparency Mode, and Music Mode to suit your environment.
- Sound Quality: Equipped with 13mm dynamic drivers, delivering clear and dynamic sound across a 20Hz to 20kHz frequency range.
- Connectivity: Bluetooth V5.4 ensures a stable, efficient wireless connection with improved audio transmission and minimal signal interruptions.
- Design: Features an elegant in-ear design with vibrant RGB lighting.
- Battery Life: Earbuds provide 5-6 hours of playtime on a single charge. The 400mAh charging case extends total playtime significantly.
- Durability: Waterproof design for use in various conditions.
- Control: Intuitive touch controls for managing playback, calls, and modes.
Setup
1. Charging the Earbuds and Case
Before first use, fully charge the earbuds and the charging case.
- Place the earbuds into the charging case.
- Connect the USB charging cable to the charging port on the case and to a power source.
- The RGB lighting on the case indicates charging status. A full charge takes approximately 1.5 hours for the case.

Image: Visual guide to the charging case's RGB lighting effects, indicating battery status from normal to low and fully charged.
2. Pairing with a Device
- Open the charging case. The earbuds will automatically enter pairing mode.
- On your device (smartphone, tablet, laptop), enable Bluetooth.
- Search for "ZOMBIES CAT B5003-DE" in the list of available Bluetooth devices.
- Select the earbuds to connect. A voice prompt will confirm successful pairing.

Image: An internal view of the earbud highlighting Bluetooth 5.4 technology and its benefits such as stable connection and clear calls.
Operating Instructions
Touch Controls
The earbuds feature intuitive touch controls on each earbud (MFB - Multi-Function Button). Refer to the diagram below for specific functions:

Image: Detailed illustration of the touch control gestures on the earbuds for various functions like call management, music playback, volume, voice assistant, game mode, and mode switching.
- Answer/End Call: Double Click L/R MFB
- Previous/Next Track: Three Clicks L/R MFB
- Play/Pause: Double Click L/R MFB
- Volume Up/Down: Click L/R MFB (single click)
- Voice Assistant: Long Press 2s L MFB to Start/Close
- Game Mode: Right ear long press function key to switch game mode
- Mode Switching (ANC/Transparency/Music): Left/Right ear 4 click function key to switch mode.
Audio Modes
The earbuds offer three distinct audio modes:
- Active Noise Cancellation (ANC): Reduces ambient noise for an immersive listening experience.
- Transparency Mode: Allows you to hear your surroundings while listening to audio, enhancing situational awareness.
- Music Mode: Standard audio playback mode.
Switch between modes by performing the "Mode Switching" touch control action.

Image: Demonstrates the difference between ANC mode for immersive listening and Transparent mode for situational awareness during conversations.
Maintenance
- Cleaning: Regularly clean the earbuds and charging case with a soft, dry cloth. Avoid using abrasive materials or harsh chemicals.
- Ear Tips: Remove ear tips and clean them with mild soap and water if necessary. Ensure they are completely dry before reattaching.
- Storage: When not in use, store the earbuds in their charging case to protect them and keep them charged.
- Water Exposure: While waterproof, avoid prolonged submersion in water. Dry thoroughly if exposed to moisture.
Troubleshooting
| Problem | Solution |
|---|---|
| Earbuds not pairing | Ensure earbuds are charged. Turn off and on Bluetooth on your device. Forget the device in your Bluetooth settings and re-pair. |
| No sound from one earbud | Place both earbuds back in the case, close it, then open it again. Check device audio balance settings. |
| Low volume | Adjust volume on both the earbuds and your connected device. Ensure ear tips provide a good seal. |
| Charging case not charging | Check the charging cable and power adapter. Ensure the charging port is clean and free of debris. |
| Touch controls unresponsive | Ensure earbuds are clean and dry. Restart the earbuds by placing them in the case and taking them out. |
Specifications
- Model: B5003-DE
- Brand: ZOMBIES CAT
- Connectivity: Bluetooth 5.4
- Earbud Battery Capacity: 40 mAh (each)
- Charging Case Battery Capacity: 400 mAh
- Earbud Playtime: 5-6 hours (per charge)
- Charging Time (Case): Approximately 1.5 hours
- Driver Size: 13 mm Dynamic
- Frequency Range: 20 Hz - 20 kHz
- Impedance: 32 Ohms
- Noise Control: Active Noise Cancellation
- Water Resistance: Waterproof
- Weight: 42 Grams (total, likely for case + earbuds)
- Control Type: Touch Control
- Compatible Devices: Mobile phones, laptops, smartwatches, tablets
Warranty and Support
For warranty information and customer support, please refer to the documentation provided with your purchase or visit the official ZOMBIES CAT website. Keep your proof of purchase for any warranty claims.
If you encounter any issues not covered in this manual, please contact ZOMBIES CAT customer service for assistance.





