1. Product Overview
The SINWE Karaoke Machine Model 317 is a portable Bluetooth PA speaker system designed for various indoor and outdoor audio needs. It features dual wireless UHF microphones, LED lighting, and multiple connectivity options to enhance your audio experience.

Figure 1.1: Front view of the SINWE Karaoke Machine Model 317 with microphones and smartphone.
2. Package Contents
Ensure all items are present in the package:
- 1 x SINWE Karaoke Machine Model 317
- 2 x UHF Wireless Microphones
- 1 x USB Charging Cable
- 1 x AUX/RCA Cable
- 1 x User Manual
3. Setup
3.1 Initial Charging
Before first use, fully charge the karaoke machine and both wireless microphones.
- Connect the USB charging cable to the Type-C port on the karaoke machine (DC 5V).
- Connect the microphones to their respective Type-C charging ports using the provided cable.
- The charging indicator will show status and turn off when fully charged.

Figure 3.1: Charging the wireless microphones.
3.2 Powering On
- To power on the karaoke machine, locate the power switch on the control panel and slide it to the 'ON' position.
- To power on each wireless microphone, press and hold the power button on the microphone handle until the display illuminates.
4. Operating Instructions
4.1 Bluetooth Connection
The karaoke machine utilizes Bluetooth 5.0 for wireless audio streaming.
- Ensure the karaoke machine is powered on and in Bluetooth mode (indicated by 'BLUE' on the display).
- On your smartphone, tablet, or other Bluetooth-enabled device, search for available Bluetooth devices.
- Select "SD-317" from the list to pair. A confirmation tone will sound upon successful connection.

Figure 4.1: Bluetooth auto-connection and wireless microphone features.
4.2 Microphone Usage
The two wireless UHF microphones automatically connect to the karaoke machine when powered on.
- Volume Adjustment: Use the 'VOL +/-' buttons on the microphone to increase or decrease your vocal volume.
- Echo Effect: Use the 'ECH +/-' buttons to adjust the echo level for your vocals.
- EQ Chip: The microphones feature an integrated EQ chip for automatic treble and bass adjustment.
- Duet Mode: To enable duet mode, long press the "A=B" key on one microphone for 2 seconds to switch its frequency band between "CHA" and "CHB". Ensure both microphones are on different frequency bands (one CHA, one CHB) for simultaneous use. If both are on the same band, only one will function.

Figure 4.2: Wireless microphone controls and features.
4.3 Audio Input Modes
The karaoke machine supports multiple audio input sources:
- Bluetooth: Connect wirelessly as described in Section 4.1.
- USB/TF Card: Insert a USB drive or TF card into the respective port on the control panel. The machine will automatically switch to the corresponding mode and begin playing audio files.
- AUX IN: Connect an external audio device (e.g., TV, PC, iPad) using the provided AUX/RCA cable to the AUX port. The machine will switch to AUX mode.

Figure 4.3: Multiple connectivity options for the karaoke machine.
4.4 LED Lights
The karaoke machine features colorful LED lights with multiple modes.
- Press the 'LED' button on the control panel to cycle through the 3 available light modes: pulsating to music, color gradient, and flashing.
- Press the 'LED' button again to turn the lights off.

Figure 4.4: LED light modes.
4.5 Phone/Tablet Stand
A built-in stand is provided on top of the karaoke machine to hold smartphones or tablets up to 3.9 inches, allowing for easy viewing of lyrics or content.
5. Maintenance
- Clean the exterior of the machine with a soft, dry cloth. Do not use abrasive cleaners or solvents.
- Keep the device away from water, moisture, and direct heat sources.
- Store the machine and microphones in a cool, dry place when not in use.
6. Troubleshooting
- No Power: Ensure the device is fully charged. Check the power switch position.
- No Sound from Speaker: Verify the volume is turned up on both the karaoke machine and the connected device. Ensure the correct input mode is selected.
- Microphone Not Connecting/No Sound: Ensure microphones are charged and powered on. Check if they are on different frequency bands for duet mode. Avoid holding microphones too close to the speaker to prevent feedback.
- Bluetooth Disconnection: Ensure the connected device is within the 10-meter transmission range. Try re-pairing the device.
7. Specifications
| Feature | Specification |
|---|---|
| Model | 317 |
| Brand | SINWE |
| Output Wattage | 15 Watts (per speaker, 2 speakers total) |
| Connectivity Technology | Bluetooth 5.0 |
| Audio Input | Bluetooth, USB, AUX, TF Card |
| Microphones | 2 x UHF Wireless Microphones |
| Battery Capacity | 3000mAh (main unit), Lithium Metal (microphones) |
| Play Time | 2-3 hours (approx.) |
| Dimensions (L x W x H) | 28.98 x 14.99 x 12.98 cm |
| Weight | 2.06 kg |
8. Warranty and Support
For warranty information and customer support, please refer to the contact details provided with your purchase or visit the official SINWE website. Keep your proof of purchase for any warranty claims.
9. Product Videos
Karaoke Machine with 2 Wireless Microphones with LED Lights
This video demonstrates the SINWE Karaoke Machine in action, highlighting its dual wireless microphones and LED lights. It shows the unboxing, setup, and various features of the device, including Bluetooth connectivity and microphone controls. The video also showcases the voice changer function and the dynamic LED light display.
Portable Bluetooth Speaker with 2 Wireless Microphones
This video provides a detailed look at the portable Bluetooth speaker, emphasizing its ease of use and wireless capabilities. It covers the unboxing process, showing the main unit, two wireless microphones, and accessories. The video demonstrates how to power on the device, connect via Bluetooth, and utilize the microphone's volume and echo controls. It also highlights the LED lights and the voice changer feature, making it suitable for various social gatherings.
Karaoke machine allows us to enjoy the K song time!
This video showcases the karaoke machine's ability to create an enjoyable singing experience. It features individuals using the machine in a home setting, demonstrating the dual microphones and the tablet stand for lyrics. The video highlights the fun and interactive aspects of the product, suitable for family entertainment and casual gatherings.