Introduction
The TOSING 04 is a versatile 3-in-1 portable device that functions as a microphone, a Bluetooth speaker, and a karaoke machine. It is designed for various applications including home parties, travel, camping, and public speaking. This manual provides essential information for the safe and effective use of your TOSING 04 microphone.
Product Overview
Familiarize yourself with the components and controls of your TOSING 04 microphone.

Image Description: This image displays the TOSING 04 microphone with various parts labeled. Key components include the Microphone head, Bass +/- buttons, Music +/- buttons, Power on/off button, Previous track button, Play/Pause button, Next track button, Metal Handle, Treble +/- buttons, Volume +/-, Echo +/- buttons, ISO/Android switch, Power charge port/Recording port, USB port, and 3.5mm earphone port.
Controls and Ports:
- Microphone: Sound input.
- Bass +/-: Adjusts the bass level.
- Treble +/-: Adjusts the treble level.
- Music +/-: Adjusts the music volume.
- VOL +/-: Adjusts the microphone volume.
- Echo +/-: Adjusts the echo effect level.
- Power On/Off: Press and hold to power on or off.
- Previous/Next: Navigates through music tracks.
- Play/Pause: Controls music playback.
- ISO/Android Switch: Selects the operating system mode for optimal compatibility.
- Power Charge Port/Recording Port: Used for charging the device and connecting for recording.
- USB Port: Supports USB playback.
- 3.5mm Earphone Port: For private listening.
Setup
1. Charging the Microphone
Before first use, fully charge the microphone. Connect the provided charging cable to the Power Charge Port on the microphone and the other end to a USB power adapter (not included). The battery capacity is 2600mAh, providing approximately 7-8 hours of working time on a full charge.

Image Description: This image highlights the TOSING 04 microphone's battery features, showing a green battery icon and text indicating a 2600mAh rechargeable battery providing 5-10 hours of fun after one charge.
2. Connecting to Devices
The TOSING 04 offers multiple connection options:

Image Description: This image shows the TOSING 04 microphone and icons representing Bluetooth, Apple, and Android compatibility. It lists three connection methods: USB playback support, AUX cable connection, and Bluetooth connection (Version 4.2), with corresponding visual cues for each.
- Bluetooth Connection:
- Power on the TOSING 04 microphone by pressing and holding the Power On/Off button.
- Enable Bluetooth on your smartphone, tablet, or PC.
- Search for "TOSING 04" in the list of available Bluetooth devices and select it to pair.
- A confirmation sound will indicate successful pairing.
- AUX Cable Connection: Connect the provided audio cable from the 3.5mm earphone port on the microphone to the AUX input of your audio device.
- USB Playback: Insert a USB drive with audio files into the USB port for direct playback.
Operating Instructions
Basic Operation
- Power On/Off: Press and hold the power button.
- Music Playback: Once connected via Bluetooth or USB, play music from your device. Use the Play/Pause, Previous, and Next buttons on the microphone to control playback.
- Volume Adjustment: Use the 'Music +/-' buttons to adjust the background music volume. Use the 'VOL +/-' buttons to adjust your microphone voice volume.
- Sound Effects: Adjust 'Bass +/-', 'Treble +/-', and 'Echo +/-' to customize your sound.
- Recording: Connect a recording cable from the Power Charge/Recording port to your recording device (e.g., smartphone) to record your performance.
Multi-Person Chorus Function
The TOSING 04 supports a multi-person chorus function using FM broadcast technology. One mobile phone can connect to multiple TOSING 04 microphones, allowing several users to sing together simultaneously.
Compatibility
The microphone is compatible with Android, iOS, and PC devices. It supports various singing applications such as YouTube and Yokee.

Image Description: This image shows the TOSING 04 microphone being used in diverse scenarios, including a lecture or seminar, a wedding, a karaoke night, live streaming, and a birthday or New Year's party, demonstrating its versatility.
Maintenance
Battery Care
- To prolong battery life, avoid fully discharging the battery frequently.
- Charge the device regularly, even if not in use, to maintain battery health.
- Use only the provided charging cable or a certified equivalent.
Cleaning and Storage
- Wipe the microphone with a soft, dry cloth. Do not use harsh chemicals or abrasive cleaners.
- Store the microphone in a cool, dry place, away from direct sunlight and extreme temperatures.
- When transporting, use the protective carrying case to prevent damage.

Image Description: This image shows the black protective carrying case for the TOSING 04 microphone, featuring a red zipper and a carabiner clip, designed for safe storage and transport.
Troubleshooting
If you encounter issues with your TOSING 04 microphone, refer to the following common solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Microphone does not power on. | Low battery or no charge. | Charge the microphone fully. |
| Cannot connect via Bluetooth. | Bluetooth not enabled on device, microphone not in pairing mode, or too far from device. | Ensure Bluetooth is on, microphone is powered on, and within range. Try re-pairing. |
| No sound from microphone. | Microphone volume too low, or incorrect input selected on connected device. | Increase microphone volume (VOL +/-). Check input settings on your connected device. |
| Music playback issues. | Music volume too low, or connection issue. | Increase music volume (Music +/-). Re-establish Bluetooth or AUX connection. |
| Echo or sound effects not working. | Effect levels set to minimum. | Adjust Echo/Bass/Treble +/- buttons. |
Specifications
- Brand: TOSING
- Model Number: 021-0820160-01094
- Color: Black
- Output: 5W x 2 (Speaker output)
- Audio Monitor: German condenser type
- SPL (Sound Pressure Level): > 115dB 1KHZ THD < 1%
- Frequency Range: 100Hz - 10KHz
- Reverb Controls: Treble, Bass, Echo, Volume, Music Adjustment
- Battery Capacity: 2600mAh Lithium-ion
- Battery Working Time: 7-8 hours
- Connectivity: Bluetooth (Version 4.2), AUX Output, USB Playback
- DSP Chipset: Yes
- Compatibility: Android, iOS, PC
- Singing App Support: Yes (e.g., YouTube, Yokee)
- Weight: 460 Grams
- UPC: 711005681025
Support Information
For further assistance or inquiries, please contact TOSING customer support:
- Manufacturer: Shenzhen Teana Technology Co.,Ltd
- Service Line: +86-755-28302832
- Website: www.mytosing.com




