Thank you for purchasing the Bytech Cylinder Bluetooth Speaker. This manual provides essential information for the proper setup, operation, and maintenance of your speaker. Please read it thoroughly before use to ensure optimal performance and longevity of your device.
Carefully remove all contents from the packaging. Ensure you have the Bytech Cylinder Bluetooth Speaker and any included charging cables or accessories.
Before first use, fully charge the speaker. Connect the provided charging cable to the speaker's charging port and the other end to a compatible USB power source (e.g., computer USB port, USB wall adapter). The charging indicator light will typically illuminate during charging and turn off or change color when fully charged.

An image showing the Bytech Cylinder Bluetooth Speaker, a long, black cylindrical device with a mesh grille covering the front, designed for portable audio.
Once paired, the speaker will automatically attempt to reconnect to the last connected device when powered on and within range. If it does not reconnect, manually select the speaker from your device's Bluetooth settings.
After connecting via Bluetooth, you can play audio from your connected device. Use the controls on your device or the speaker's integrated controls (if available) to manage playback:
To clean the speaker, use a soft, dry, lint-free cloth. Do not use abrasive cleaners, alcohol, or other chemical solvents, as these may damage the surface or internal components. Avoid getting moisture into any openings.
When not in use for extended periods, store the speaker in a cool, dry place away from direct sunlight and extreme temperatures. It is recommended to charge the speaker periodically (e.g., every 3 months) to maintain battery health.
| Problem | Possible Cause | Solution |
|---|---|---|
| Speaker does not power on. | Low battery. | Charge the speaker fully. |
| Cannot connect via Bluetooth. | Speaker not in pairing mode; device Bluetooth off; too far from speaker. | Ensure speaker is in pairing mode. Turn Bluetooth on your device. Move device closer to speaker. Forget device on your phone and re-pair. |
| No sound or low volume. | Volume too low on speaker or device; incorrect audio output selected. | Increase volume on both speaker and connected device. Ensure speaker is selected as the audio output on your device. |
| Sound distortion. | Volume too high; interference. | Reduce volume. Move speaker away from other electronic devices that may cause interference. |
| Feature | Detail |
|---|---|
| Model Name | Bytech |
| Item Model Number | BCAUBS100BK |
| Speaker Type | Surround Sound |
| Recommended Uses | For Smartphones or Tablets |
| Controller Type | App Control |
| Surround Sound Channel Configuration | 1.0 |
| Color | Black |
| Item Weight | 15.9 ounces (450 Grams) |
| Impedance | 1 Ohm |
| Is Waterproof | False |
| Wireless Communication Technology | Bluetooth |
| Speaker Size | 4 Inches |
| Power Source | Corded Electric |
| Connectivity Protocol | Bluetooth |
| Manufacturer | Bytech |
| Product Dimensions | 1 x 1 x 1 inches |
| Speaker Maximum Output Power | 20 Watts |
| Frequency Response | 20 KHz |
| Audio Output Mode | Stereo |
| Mounting Type | Floor Standing |
This product is covered by a manufacturer's warranty. Please refer to the product packaging or contact Bytech customer support for specific warranty terms and conditions. For technical assistance or further inquiries, please visit the official Bytech website or contact their customer service department.
Online Support: www.bytechintl.com
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