KIDWILL 858-Blue
KIDWILL Wireless Bluetooth Karaoke Microphone User Manual
Model: 858-Blue
Brand: KIDWILL
1. Introduction
Thank you for choosing the KIDWILL Wireless Bluetooth Karaoke Microphone. This 5-in-1 portable device combines a microphone, speaker, player, recorder, and FM radio, offering versatile entertainment for kids, teens, and adults. Designed for ease of use and high-quality sound, it's perfect for KTV singing, family gatherings, travel, and more.

Image: The KIDWILL Wireless Bluetooth Karaoke Microphone, showcasing its vibrant blue color and various control buttons. A child is shown in the background enjoying the microphone.
2. Product Features
- All-in-One Functionality: Combines a karaoke microphone, portable speaker, music player, voice recorder, and FM radio.
- Professional Sound Quality: Features a 3-layered anti-noise filter head to reduce wind noise and distortion, along with built-in dual high-quality speakers for 360-degree super surround sound.
- Advanced Audio Controls: Independent VOLUME and REMIX sliding buttons for precise sound adjustment, offering stunning KTV live-sound and clear music rhythm with echo reverberation.
- Multiple Connectivity Options: Easily connects to smart devices (iPhone, iPad, Android phones, tablets, PCs) via Bluetooth or 3.5mm audio cable. Supports U-disk and TF card (max 32GB, not included) for music playback.
- Voice-Changed Effects: Offers 5 different voice-changing effects for added fun.
- Long-Lasting Battery: Equipped with a built-in 1800mAh rechargeable battery for extended use.

Image: A detailed view of the microphone's speaker and mesh head, highlighting its multi-layer noise reduction and dual stereo speakers for enhanced sound quality.
3. Package Contents
Upon opening your KIDWILL Wireless Bluetooth Karaoke Microphone package, you should find the following items:
- 1 x Karaoke Microphone
- 1 x Micro USB Cable (for charging)
- 1 x Audio Cable (AUX)
- 1 x Instruction Manual
4. Product Layout and Controls
Familiarize yourself with the various buttons and ports on your microphone for optimal use:

Image: A clear diagram illustrating the microphone's control panel and bottom ports, with labels for each function including Prev, Next, Mic Vol+/-, Scan, Rec, Vol+/-, Remix, Charging Port, Headphone Jack, TF Card Port, and USB Cable Port.
| Button/Port | Function |
|---|---|
| Power Button | Long press to Power ON/OFF. Short press to switch modes (Bluetooth, FM Radio). |
| PREV / NEXT | Short press for previous/next song. |
| SCAN / Play/Pause | Short press to Play/Pause music. Long press to scan FM radio stations. |
| REC (Record) | Long press to activate voice-changed effects. Short press to record (requires TF card). |
| VOL+ / VOL- | Adjust the overall music volume. |
| MIC VOL+ / MIC VOL- | Adjust the microphone's volume. |
| REMIX | Adjust the echo/reverb effect. |
| Charging Port (5V) | Connect the Micro USB cable for charging. |
| AUX OUT | Audio output port for connecting to external speakers or headphones. |
| TF Card Port | Insert a TF (Micro SD) card for music playback and recording. |
| USB Port | Connect a USB flash drive for music playback. |
5. Setup Guide
5.1. Charging the Microphone
Before first use, fully charge the microphone. The built-in 1800mAh rechargeable battery typically takes about 4 hours to fully charge.
- Connect the Micro USB cable to the Charging Port (5V) on the microphone.
- Connect the other end of the USB cable to a 5V/1A or 5V/2A USB power adapter (not included), a computer USB port, or a power bank.
- The indicator light will show charging status. Disconnect the device once fully charged to prevent over-heating.

Image: The microphone's bottom section, highlighting the charging port and indicating its 1800mAh battery capacity.
5.2. Powering On/Off
Long press the Power Button (usually located near the base of the microphone head) to turn the microphone ON or OFF.
5.3. Bluetooth Connection
The microphone is designed for easy wireless connection to your smart devices.
- Turn on the microphone. It will automatically enter Bluetooth pairing mode, indicated by a voice prompt "Bluetooth device is ready to pair."
- On your smart device (phone, tablet, PC), go to Bluetooth settings and search for "WS-858" or "KIDWILL Mic".
- Select the microphone to pair. Once connected, you will hear a confirmation sound.
- You can now play music from your device through the microphone's speaker and sing along.

Image: The microphone positioned next to a smartphone, illustrating its Bluetooth connectivity for playing favorite songs.
6. Operating Instructions
6.1. Singing and Karaoke
- Connect your device via Bluetooth (as per Section 5.3).
- Open your favorite music app (e.g., YouTube, Spotify, Yokee Plano, Smule Karaoke) and select a song.
- Adjust the music volume using the VOL+/- buttons and your microphone volume using MIC VOL+/-.
- Use the REMIX slider to add or reduce echo effect for a more professional karaoke experience.

Image: A user enjoying the microphone, demonstrating its compatibility with various music and karaoke apps like YouTube and Spotify for different fun modes.
6.2. Voice Changing Effects
The microphone offers 5 voice-changed effects for entertainment:
- Child Voice
- Original Voice
- Male Voice
- Honey Voice
- Tough Voice
To activate and cycle through these effects, long press the REC button.

Image: The microphone displaying its 5 voice-changed effects, with visual representations of each voice type, activated by long-pressing the REC button.
6.3. Recording Function
To record your singing, you will need a TF (Micro SD) card inserted into the TF Card Port.
- Ensure a TF card (max 32GB) is inserted.
- Short press the REC button to start recording.
- Short press the REC button again to stop recording.
- Recordings are saved to the TF card.
6.4. FM Radio Mode
The microphone can also function as an FM radio.
- Short press the Power Button to cycle through modes until you hear "FM Radio Mode".
- Long press the SCAN button to automatically scan and save available FM radio stations.
- Use the PREV and NEXT buttons to switch between saved stations.
7. Maintenance
- Cleaning: Use a soft, dry cloth to clean the microphone. Do not use harsh chemicals or abrasive cleaners.
- Charging: Always disconnect the charging cable once the microphone is fully charged to prevent overcharging and potential overheating.
- Storage: Store the microphone in a cool, dry place away from direct sunlight and extreme temperatures.
- Water Exposure: This device is not waterproof. Avoid exposing it to water or excessive moisture.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Microphone does not turn on. | Low battery. | Charge the microphone fully (approx. 4 hours). |
| Cannot connect via Bluetooth. | Microphone not in pairing mode; Bluetooth off on device; too far from device. | Ensure microphone is ON and in Bluetooth mode. Turn Bluetooth ON on your device. Keep devices within 10 meters. Try restarting both devices. |
| No sound from microphone/speaker. | Volume too low; microphone muted; incorrect mode. | Increase VOL+/- and MIC VOL+/-. Ensure microphone is not muted. Check if the correct mode (Bluetooth, TF, USB) is selected. |
| Recording function not working. | No TF card inserted; TF card full or corrupted. | Insert a TF card (max 32GB). Ensure TF card has sufficient space and is formatted correctly. Note: Voice-changed effects may not record directly. |
| Charging cable seems too tight/doesn't fit. | Initial stiffness of port. | Apply a bit more firm, but gentle, pressure to insert the Micro USB cable into the charging port. It should fit securely. |
9. Specifications
| Feature | Detail |
|---|---|
| Brand | KIDWILL |
| Model Number | 858-Blue (handheld-wireless-microphones) |
| Microphone Form Factor | Handheld |
| Connectivity Technology | Bluetooth, Auxiliary, USB |
| Power Source | Battery Powered (1 Lithium Polymer battery required) |
| Battery Capacity | 1800mAh |
| Item Weight | 11.1 ounces (314 Grams) |
| Product Dimensions (L x W x H) | 2.75 x 2.75 x 8.97 inches |
| Signal-to-Noise Ratio | 85 dB |
| Frequency Range | 100 Hz - 10 KHz |
| Noise Level | 115 dB |
| Compatible Devices | Radio, Karaoke Machine, Speaker |
| Special Features | Mute Function, Noise Reduction, Voice Changer |
10. Warranty and Support
KIDWILL is committed to providing high-quality products and customer satisfaction. For any questions, concerns, or technical support regarding your Wireless Bluetooth Karaoke Microphone, please contact KIDWILL customer service through the retailer's platform or the official KIDWILL website.
Please retain your purchase receipt as proof of purchase for any warranty claims.
Note: Specific warranty terms and conditions may vary. Refer to your purchase documentation or contact customer support for detailed information.
Ask a question about this manual
Ask about setup, troubleshooting, compatibility, parts, safety, or missing instructions. Manuals+ will review the question and use this page’s manual context to help answer it.