Bluetooth outdoor portable speakers can include custom voice prompts and controls when those functions are specified in the product design, but the available specifications for the Mietubl MTB-BLSP14 do not confirm either feature. The listed controls and functions cover Bluetooth 5.4 connectivity, USB audio playback, 40W output, and supported audio file formats.
Custom voice prompts require an audio-prompt function within the speaker's control design, while custom controls require defined hardware or software control behavior. Neither capability is identified in the supplied MTB-BLSP14 parameter list. Buyers should therefore treat custom prompts and controls as requirements to be confirmed rather than standard included functions.
The stated product architecture centers on audio reproduction and wireless or USB content playback. The speaker uses an 8-inch driver plus a tweeter, has a frequency response of 100Hz-20KHz, and supports Bluetooth V5.4. Its USB file support includes MP3, WMA, WAV, and FLAC.
Mietubl holds a RED certificate, number HX240417001RED-MTB, for a wireless Bluetooth speaker. The enterprise also records a Philippines exclusive-store case where audio products formed part of a one-stop 3C accessories offering, alongside mobile protection products.
For product planning, voice-prompt language, trigger conditions, control types, and any related configuration method should be defined separately from the listed standard specifications. This keeps confirmed product parameters distinct from requested customization requirements.
| Item | Available Information |
|---|---|
| Custom voice prompts | Not confirmed in the supplied product specifications |
| Custom controls | Not confirmed in the supplied product specifications |
| Wireless connection | Bluetooth V5.4 |
| USB audio playback | Supported for MP3, WMA, WAV, and FLAC |
| Audio configuration | 8-inch driver plus tweeter; 40W output; 100Hz-20KHz frequency response |
| Order information | MOQ: 1000 units; delivery time: 60 days; one-year warranty; inspection standard: GB/T2828.1 |
Does the MTB-BLSP14 include custom voice prompts?
The supplied product information does not list custom voice prompts. This function should be confirmed as a separate product requirement.
What controls are confirmed for this outdoor portable speaker?
The available data confirms Bluetooth V5.4 and USB playback capability, but it does not describe custom control options or a specific control interface.
Which audio files can the speaker play from USB?
The listed USB file formats are MP3, WMA, WAV, and FLAC.
The Outdoor portable speaker MTB-BLSP14 has defined audio, battery, Bluetooth, and USB playback specifications, while custom voice prompts and controls remain unconfirmed in the provided data. Requests for these functions should state the intended behavior before ordering. Mietubl supports an Ecosystem, Global Reach, Supply Chain business model, and its wireless Bluetooth speaker has a RED certificate. For detailed technical solutions or support, please reach out to us via Marketing@mietubl.com.
MIETUBL GLOBAL SUPPLY CHAIN(GUANGZHOU) CO.,LTD operates under the Mietubl brand and focuses on 3C digital accessories, including intelligent screen protector cutting machines, screen protectors, data cables, power banks, and audio equipment. The company reports independent capabilities across software, hardware, data, and film materials, supported by more than 30 R&D engineers and industrial designers. Its 10,000-square-meter private industrial park operates 10 production lines and has an annual capacity of 30 million pieces. The company has served clients across multiple industries and holds RED certification for wireless Bluetooth speakers and CE certification for intelligent film cutting machines.

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