1. Introduction
This manual provides instructions for the Amazmic Kids Karaoke Microphone Machine, Model CFBT035AS. This device functions as a microphone, speaker, voice changer, and recording device, featuring Bluetooth connectivity and integrated LED lights. Please read this manual thoroughly before use to ensure proper operation and to maintain the device's longevity.

Figure 1: Amazmic Kids Karaoke Microphone Machine (Silver)
2. Product Features
- Multi-functional Device: Operates as a microphone, karaoke machine, high-quality speaker, voice changer, and singing recorder.
- Noise Reduction Technology: Incorporates 3-layer noise reduction for clear sound output.
- Voice Modes: Features 4 distinct voice changing modes.
- LED Lights: Multi-colored LED lights that synchronize with audio.
- Connectivity Options: Supports Bluetooth 5.0, TF card playback, and audio cable connection.
- Extended Playtime: Provides 4-6 hours of playtime on a full charge, with a standby time exceeding 20 days.
3. Component Identification

Figure 2: Control Panel and Port Diagram
Refer to Figure 2 for the location of the following components:
- Microphone Volume Control (Mic): Adjusts microphone input level.
- Echo Control (Echo): Adjusts the echo effect level.
- Music Volume Control (Music): Adjusts the background music volume.
- ON/OFF Button: Powers the device on or off.
- Mode Switch: Toggles between different operating modes.
- LED Light / Magic Sound Button: Activates/deactivates LED lights or cycles through voice changer modes.
- Previous Song Button: Skips to the previous track.
- Play/Pause Button: Plays or pauses audio playback.
- Next Song Button: Skips to the next track.
- TF Card Slot: For inserting a MicroSD/TF card for music playback.
- Charging Port: Micro USB port for charging the device.
- Audio Output Port: 3.5mm jack for connecting to external audio devices.
- USB Port: For connecting USB devices (e.g., USB flash drive for music playback, if supported).

Figure 3: Microphone Head Construction with Noise Reduction Layers
4. Setup
- Initial Charge: Before first use, fully charge the microphone using the provided charging cable. Connect the Micro USB end to the microphone's charging port and the USB-A end to a compatible USB power adapter (not included). The charging indicator light will typically turn off or change color when fully charged.
- Power On: Press and hold the ON/OFF button until the device powers on and the LED lights activate.
5. Operating Instructions
5.1. Bluetooth Connection
- Ensure the microphone is powered on. It will automatically enter Bluetooth pairing mode.
- On your smartphone, tablet, or other Bluetooth-enabled device, open the Bluetooth settings.
- Search for available devices and select "Amazmic" (or similar device name) from the list.
- Once connected, a confirmation sound will be heard from the microphone. You can now play music from your device through the microphone's speaker.

Figure 4: Bluetooth Connectivity Diagram
5.2. TF Card Playback
- Insert a MicroSD/TF card (pre-loaded with MP3 music files) into the TF card slot on the microphone.
- The microphone will automatically detect the card and begin playing music.
- Use the Previous Song, Play/Pause, and Next Song buttons to control playback.
5.3. Audio Cable Connection
- Connect one end of a 3.5mm audio cable (not included) to the microphone's audio output port.
- Connect the other end to the audio input jack of an external device (e.g., a larger speaker or another audio system).
5.4. Sound Adjustment
- Microphone Volume: Use the 'Mic' slider to increase or decrease your voice volume.
- Echo Effect: Use the 'Echo' slider to adjust the reverberation effect on your voice.
- Music Volume: Use the 'Music' slider to control the volume of the background music.
5.5. Voice Changer (Magic Sound)
Press the 'LED Light / Magic Sound' button to cycle through the available voice changing modes. There are 4 different voice effects.
5.6. LED Lights
The multi-colored LED lights on the microphone will illuminate and synchronize with the music or your voice. Press and hold the 'LED Light / Magic Sound' button to turn the LED lights on or off.

Figure 5: Multi-Colored LED Lights
6. Charging
The microphone is equipped with a rechargeable battery. When the battery is low, the device may indicate this with an audible prompt or a flashing indicator light. Connect the microphone to a USB power source using the provided charging cable. A full charge provides approximately 4-6 hours of continuous playtime. Standby time is over 20 days.

Figure 6: Internal Components and Battery Life Indication
7. Maintenance
- Cleaning: Use a soft, dry cloth to clean the exterior of the microphone. Do not use liquid cleaners or abrasive materials.
- Storage: Store the microphone in a cool, dry place away from direct sunlight and extreme temperatures.
- Battery Care: To prolong battery life, avoid fully discharging the battery frequently. Charge the device regularly, even if not in use for extended periods.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Microphone does not power on. | Low battery. | Charge the microphone for at least 2 hours. |
| No sound from the speaker. | Volume too low; device not connected; music paused. | Increase music volume; ensure Bluetooth or TF card is connected; press Play/Pause. |
| Cannot connect via Bluetooth. | Microphone not in pairing mode; device too far; interference. | Ensure microphone is on and in pairing mode; move devices closer; restart both devices. |
| Voice changer not working. | Incorrect button press. | Press the 'LED Light / Magic Sound' button to cycle through modes. |
| LED lights not working. | Lights turned off. | Press and hold the 'LED Light / Magic Sound' button to toggle lights. |
9. Specifications
| Feature | Detail |
|---|---|
| Model Number | CFBT035AS |
| Brand | Amazmic |
| Connectivity Technology | Bluetooth 5.0 |
| Connector Type | TF Card Slot, USB Port, Micro USB Charging Port, 3.5mm Audio Output |
| Power Source | Battery Powered |
| Material | Polycarbonate |
| Item Weight | 12.3 ounces (approx. 348 grams) |
| Product Dimensions (L x W x H) | 3 x 3 x 9.5 inches (approx. 7.6 x 7.6 x 24.1 cm) |
| Speaker Count | 1 |
| Polar Pattern | Unidirectional |
| Working Time | 4-6 hours (approx.) |
| Standby Time | Over 20 days |
10. Safety Information
- Do not expose the device to water or excessive moisture.
- Avoid dropping or subjecting the device to strong impacts.
- Do not attempt to disassemble or repair the device yourself. Contact customer support for assistance.
- Keep out of reach of small children to prevent choking hazards from small parts.
- Use only the provided charging cable or a certified equivalent.
11. Warranty and Support
Amazmic products are designed for reliability and performance. For any questions, technical support, or warranty inquiries, please contact Amazmic customer service through the retailer's platform or the official Amazmic website. Please retain your proof of purchase for warranty claims.