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| Impedance | 4 Ω |
|---|---|
| Connectivity technology | Wired |
| Product colour | Black |
| Interface | 3.5 mm |
| Frequency Response | 60Hz - 20kHz |
Lists the items included in the product package, such as the Hi-Fi speaker and USB charging cable.
Details the functions of each button on the speaker, including call, mode, volume, and playback controls.
Explains how to connect the speaker to a smartphone or other device via Bluetooth for music playback.
Covers AUX-IN and TF card reading functionalities for playing music from external sources.
Describes how to use the speakerphone function for receiving, ending, and redialing calls wirelessly.
Highlights key features like sound quality, connectivity options (AUX, TF, wireless), versatility, and battery capacity.
Provides contact details for service inquiries and notes the manufacturer's right to change specifications.
Instructs on the environmentally responsible disposal and recycling of the product within the EU.
States that the SPK440 device complies with EU Directive 2014/53/UE, with the full text available online.