Introduction
Thank you for purchasing the SYSKA BT4070X Wireless Bluetooth Speaker. This manual provides essential information for setting up, operating, and maintaining your speaker. Please read it carefully before use to ensure optimal performance and longevity of your device.
Product Overview
The SYSKA BT4070X is a compact and portable 4-watt wireless Bluetooth speaker designed to deliver clear audio with HD bass. It features a 50mm bass driver and offers multiple connectivity options for a versatile listening experience.

Image: The SYSKA BT4070X speaker highlighting its 4-watt output, 50mm powerful bass drivers, and up to 4 hours of working time.

Image: The compact size of the SYSKA BT4070X speaker, shown held in a hand, emphasizing its portability and durable design.
Setup
Charging the Speaker
- Connect the provided Micro USB cable to the Micro USB port on the speaker.
- Connect the other end of the cable to a USB power adapter (not included) or a computer's USB port.
- The LED indicator will illuminate during charging.
- A full charge takes approximately 2 hours, providing up to 4 hours of playback time.
Powering On/Off
- To power on, long press the Power On/Off button until the LED indicator lights up.
- To power off, long press the Power On/Off button again until the LED indicator turns off.
Operating Instructions
Bluetooth Pairing
- Ensure the speaker is powered on and in Bluetooth pairing mode (the LED indicator may flash).
- On your device (smartphone, tablet, etc.), enable Bluetooth and search for available devices.
- Select "SYSKA BT4070X" from the list of devices.
- Once paired, the speaker will emit a confirmation sound, and the LED indicator will show a steady light.
Button Functions

Image: A detailed diagram illustrating the various functions of the control buttons on the top panel of the SYSKA BT4070X speaker.
- Play/Pause Button: Short press to play or pause music. Short press to answer or end a call.
- Next Song / Volume Up Button: Short press for the next song. Long press to increase volume.
- Previous Song / Volume Down Button: Short press for the previous song. Long press to decrease volume.
- Power On/Off Button: Long press to power the speaker on or off.
- LED Indicator: Displays power and connection status.
Connectivity Ports

Image: A diagram indicating the various input ports on the side of the SYSKA BT4070X speaker, including AUX-IN, TF Card slot, USB port, and Micro USB charging port.
- AUX-IN Port: Connect external audio devices using a 3.5mm audio jack cable (not included).
- TF Card Slot: Insert a Micro SD card (TF card) with music files for direct playback.
- USB Port: Connect a USB drive with music files for direct playback.
- Micro USB Port: Used for charging the speaker.
Specifications
| Feature | Detail |
|---|---|
| Brand | SYSKA |
| Model Number | BT4070X |
| Power Output (RMS) | 4 Watts |
| Battery Life | 4 Hours |
| Charging Time | 2 Hours |
| Bluetooth Version | 5 |
| Wireless Range | 10 meters |
| Frequency Range | 60Hz to 20KHz |
| Speaker Size | 50 Millimetres |
| Item Dimensions (D x W x H) | 5D x 5W x 5H Centimeters |
| Item Weight | 200 Grams |
| Connectivity Technology | Auxiliary, Bluetooth, USB, Wireless |
| Control Method | Button |
What's in the Box
Upon opening the package, you will find the following items:
- SYSKA BT4070X Wireless Bluetooth Speaker
- Micro USB Cable (for charging)
Video: An official product video from the seller showcasing the SYSKA Wireless Bluetooth Speaker, its features, and what's included in the box.
Troubleshooting
- No Power: Ensure the speaker is fully charged. Connect the Micro USB cable and allow it to charge for at least 15 minutes before attempting to power on again.
- Cannot Connect via Bluetooth:
- Make sure the speaker is in pairing mode (LED indicator flashing).
- Ensure Bluetooth is enabled on your device and it is within 10 meters of the speaker.
- Forget the device from your phone's Bluetooth settings and try pairing again.
- Restart both the speaker and your device.
- No Sound:
- Check the volume levels on both the speaker and your connected device.
- Ensure the correct input source (Bluetooth, AUX, TF Card, USB) is selected.
- If using AUX, ensure the cable is fully inserted into both the speaker and the audio source.
- Poor Sound Quality:
- Move the speaker closer to your Bluetooth device to reduce interference.
- Ensure there are no obstructions between the speaker and the device.
- Check the audio source for quality issues.
Warranty and Support
For warranty information and customer support, please refer to the documentation provided with your purchase or visit the official SYSKA website. Keep your purchase receipt as proof of purchase for any warranty claims.