Introduction
Thank you for purchasing the Kapbom Astronaut Portable Bluetooth Speaker. This speaker combines high-quality audio with a unique astronaut design and dynamic LED lighting. This manual provides essential information for setting up, operating, and maintaining your device to ensure optimal performance and longevity.

Image 1: Front view of the Kapbom Astronaut Portable Bluetooth Speaker, showcasing its unique astronaut figure inside a transparent dome with colorful LED lights and control buttons on the base.
Package Contents
Please check the package for the following items:
- 1 x Astronaut Portable Bluetooth Speaker (Model KA-8383)
- 1 x USB Power Cable
- 1 x User Manual
Setup
1. Charging the Speaker
- Connect the provided USB power cable to the DC/charging port on the speaker.
- Connect the other end of the USB cable to a standard USB power adapter (not included) or a computer's USB port.
- The LED indicator will show charging status (specific indicator behavior may vary by unit, typically red for charging, off/blue for full).
- Charge the speaker fully before first use (approximately 2-3 hours).
2. Powering On/Off
- To power on: Press and hold the Power button (
) for a few seconds until you hear an audible prompt or see the LED lights activate. - To power off: Press and hold the Power button again for a few seconds.

Image 2: An illustration highlighting key features of the speaker, including long battery life, Bluetooth 5.3 connectivity, RGB LED lights, and powerful bass sound.
Operating Instructions
1. Bluetooth Connection
- Ensure the speaker is powered on and in Bluetooth pairing mode (indicated by a flashing blue LED or an audible prompt).
- On your mobile device (smartphone, tablet, etc.), enable Bluetooth and search for available devices.
- Select "KA-8383" or a similar name from the list of devices.
- Once connected, the speaker will provide an audible confirmation, and the LED indicator will typically stop flashing.
2. Playing Music from Various Sources
- Bluetooth: After successful pairing, play audio from your connected device.
- TF Card (Micro SD): Insert a TF card with MP3 audio files into the TF card slot. The speaker will automatically switch to TF card mode and begin playback.
- USB Drive: Insert a USB flash drive with MP3 audio files into the USB port. The speaker will automatically switch to USB mode and begin playback.
- AUX Input: Connect an audio device using a 3.5mm audio cable (not included) to the AUX port. The speaker will switch to AUX mode.
- FM Radio: Press the Mode button (M) to switch to FM radio mode. Use the Previous/Next buttons to scan for stations.

Image 3: A close-up view of the speaker's rear panel, showing the input ports: Micro SD card slot (TF), USB port, DC charging port, and 3.5mm AUX input.
3. Volume Control
- Press the Volume Up (+) button to increase volume.
- Press the Volume Down (-) button to decrease volume.
4. LED Light Control
- Press the Light button (often represented by a sun or star icon) to cycle through different LED light modes or to turn the lights off.

Image 4: Two Kapbom Astronaut Speakers, one white and one black, demonstrating the dynamic and colorful LED lighting effects.
Maintenance
- Cleaning: Use a soft, dry cloth to clean the speaker's exterior. Do not use abrasive cleaners or solvents.
- Water Exposure: This speaker is not waterproof. Avoid exposing it to water or excessive moisture.
- Battery Care: To prolong battery life, avoid fully discharging the battery frequently. Charge the speaker regularly, even if not in use for extended periods.
- Storage: Store the speaker in a cool, dry place away from direct sunlight and extreme temperatures.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Speaker does not power on | Low battery; Power button not pressed correctly | Charge the speaker; Press and hold the Power button for 3-5 seconds |
| Cannot connect via Bluetooth | Speaker not in pairing mode; Device Bluetooth off; Speaker too far | Ensure speaker is on and in pairing mode; Enable Bluetooth on your device; Move speaker closer to device (within 10 meters) |
| No sound | Volume too low; Incorrect input mode; Audio file issue | Increase volume; Press Mode button to select correct input (BT, TF, USB, AUX, FM); Try a different audio file or source |
| LED lights not working | Lights turned off; Malfunction | Press the Light button to cycle through modes; If issue persists, contact support |
Specifications
- Model: KA-8383
- Connection Methods: Bluetooth, TF (Micro SD), USB, 3.5mm Audio Input (AUX), FM Radio
- Signal-to-Noise Ratio: ≥ 75 dB
- Power Source: Built-in Lithium Battery
- Battery Capacity: 1200mAh
- Playback Time: 3-6 hours
- Frequency Response: 60Hz - 15kHz
- Speaker Output: 8W
- Distortion Rate: ≤ 1%
- Dimensions (L x W x H): Approximately 10 cm x 10 cm x 13 cm
- Material: Plastic
- Special Features: Dynamic LED Light, USB Port, Portable
- Compatible Devices: Desktop, Smartphone, Tablet
- Connectivity Technology: Auxiliary, Bluetooth, USB
- Mounting Type: Tabletop stand

Image 5: A diagram illustrating the dimensions of the Kapbom Astronaut Speaker, showing a height of 13cm, a base width of 10cm, and a top width of 9cm.
Warranty
This product comes with a 30-day manufacturer's warranty from the date of purchase. This warranty covers manufacturing defects. It does not cover damage caused by misuse, accidents, unauthorized modifications, or normal wear and tear. Please retain your proof of purchase for warranty claims.
Support
For further assistance, technical support, or warranty inquiries, please refer to the contact information provided by your retailer or the Kapbom official website, if available. Please have your model number (KA-8383) and proof of purchase ready when contacting support.





