1. Introduction
This manual provides comprehensive instructions for the setup, operation, maintenance, and troubleshooting of your TOZO T12 Wireless Earbuds. Please read this manual carefully before using the product to ensure optimal performance and longevity.
2. Package Contents
Verify that all items are present in your package:
- TOZO T12 Wireless Earbuds
- Wireless Charging Case
- Eartips (various sizes)
- USB-C (A to C) cable (20cm)
- User Manual
3. Product Overview
Familiarize yourself with the components of your TOZO T12 Wireless Earbuds.

Image showing the TOZO T12 wireless earbuds inside their charging case, highlighting the LED digital display and charging pins.
4. Setup
4.1. Charging the Earbuds and Case
Before first use, fully charge the earbuds and charging case.
- Wired Charging: Connect the provided USB-C cable to the charging case and a USB power adapter (not included). The LED digital display on the case will show the battery level.
- Wireless Charging: Place the charging case on a compatible wireless charging pad. The LED digital display will indicate charging status.
A full charge for the case takes approximately 1.5 hours via wired connection or under 2 hours wirelessly.

Image illustrating the TOZO T12 earbuds in their charging case placed on a wireless charging pad, with a USB-C cable connected for wired charging.
4.2. Bluetooth Pairing
The TOZO T12 earbuds feature one-step pairing for convenience.
- Remove both earbuds from the charging case. They will automatically power on and enter pairing mode.
- On your smartphone or Bluetooth-enabled device, open the Bluetooth settings.
- Select 'TOZO-T12' from the list of available devices to connect.
- Once connected, you will hear an audible confirmation, and the earbuds are ready for use.

Image demonstrating the one-step pairing process for TOZO T12 earbuds, showing earbuds being removed from the case and the Bluetooth settings on a smartphone displaying 'TOZO-T12' for connection.
4.3. Wearing the Earbuds
For optimal sound quality and comfort, choose the correct ear tips and ensure a secure fit.
- Select the ear tips that best fit your ear canal. Different sizes are provided.
- Insert the earbuds into your ears and gently twist them until they feel snug and comfortable.

Image showing a single TOZO T12 earbud with various ear tip sizes, illustrating the importance of selecting the correct fit for comfort and sound.
5. Operating Instructions
5.1. Touch Controls
The TOZO T12 earbuds feature touch-sensitive controls on each earbud. The following actions can be performed:

Diagram illustrating the touch control functions for the TOZO T12 earbuds, detailing single, double, triple taps, and long presses for various actions like play/pause, track skipping, volume adjustment, and call management.
| Action | Left Earbud | Right Earbud |
|---|---|---|
| Play/Pause | X1 Tap | X1 Tap |
| Previous Song | X2 Taps | N/A |
| Next Song | N/A | X2 Taps |
| Volume Down | Hold (2s) | N/A |
| Volume Up | N/A | Hold (2s) |
| Answer/Hang Up Call | X1 Tap | X1 Tap |
| Reject Call | Hold (2s) | Hold (2s) |
| Activate Voice Assistant (Siri/Google Assistant) | X3 Taps | X3 Taps |
5.2. Power On/Off
- Power On: Earbuds automatically power on when removed from the charging case. To manually power on, press and hold the touch panel for 3 seconds.
- Power Off: Earbuds automatically power off when placed back into the charging case. To manually power off, press and hold the touch panel for 5 seconds.
6. Maintenance
6.1. Cleaning
Regular cleaning helps maintain performance and hygiene.
- Use a soft, dry, lint-free cloth to wipe the earbuds and charging case.
- For ear tips, remove them from the earbuds and wash with mild soap and water. Ensure they are completely dry before reattaching.
- Do not use abrasive cleaners or solvents.
6.2. Water Resistance (IPX8)
The TOZO T12 earbuds and charging case are IPX8 waterproof, meaning they can withstand submersion in water up to 1 meter for 30 minutes. This makes them suitable for use during exercise and in rainy conditions.
- Rinse with clean water after exposure to sweat, saltwater, or chemicals.
- Ensure the charging port is dry before charging to prevent damage.
- The IPX8 rating applies to fresh water. Avoid prolonged exposure to chlorinated water or other liquids.

Image depicting the TOZO T12 earbuds and charging case submerged in water, demonstrating their IPX8 waterproof rating.
7. Troubleshooting
If you encounter issues with your TOZO T12 earbuds, refer to the following common solutions:
- Earbuds not pairing: Ensure both earbuds are removed from the case and are fully charged. Turn off and on your device's Bluetooth, then try pairing again.
- Only one earbud working: Place both earbuds back into the charging case, close the lid, then remove them again. This often resets the connection.
- No sound: Check the volume level on both your device and the earbuds. Ensure the earbuds are properly connected to your device.
- Charging issues: Verify the charging cable is securely connected or the wireless charging pad is properly aligned. Clean the charging contacts on the earbuds and case.
- Resetting the earbuds: If persistent issues occur, consult the TOZO support website for specific reset instructions for your model.
8. Specifications
Key technical specifications for the TOZO T12 Wireless Earbuds:
| Feature | Specification |
|---|---|
| Model Name | T12 |
| Bluetooth Version | 5.0 |
| Bluetooth Range | 10 Meters |
| Earbud Battery Life | Up to 6 hours per charge |
| Total Playtime (with case) | Up to 28 hours |
| Charging Time (Wired) | Approx. 1.5 hours |
| Charging Time (Wireless) | Under 2 hours |
| Water Resistance Rating | IPX8 |
| Audio Driver Size | 10 mm |
| Frequency Range | 14Hz - 20kHz |
| Impedance | 32 Ohm |
| Earbud Battery Capacity | 50 mAh |
| Charging Case Battery Capacity | 500 mAh |
| Control Method | Touch |
| Noise Control | Sound Isolation, ENC Noise Canceling Mic |

Image displaying the TOZO T12 charging case and earbuds, indicating the earbud battery capacity of 50mAh and the charging case battery capacity of 500mAh.
9. Warranty and Support
TOZO products are designed for reliability and performance. For warranty information, technical support, or further assistance, please refer to the official TOZO website or contact their customer service directly. Keep your purchase receipt as proof of purchase for warranty claims.
For the most up-to-date support resources, visit: www.tozostore.com





