NEM Portable Boombox Bluetooth Speaker BTSP-B678 – Music Notes Design

Portable Boombox Bluetooth Speaker BTSP-B678 with Strap – User Manual


High-performance magnetic circuit with a high-sensitivity speaker, delivering strong bass and clear high frequencies.

Equipped with the latest decoding chips, supporting stable playback of MP3 files via USB/TF card up to 32GB.

FM Radio: Digital FM reception with automatic channel search and storage of up to 60 channels.

3.5mm AUX Input: Connect a wide range of external audio sources.

Built-in high-capacity battery provides up to 6 hours of continuous playback.

Karaoke & Microphone Support: Two MIC inputs with adjustable reverb, voice, and plug-and-play functionality.

Battery includes overcharge and short-circuit protection for long-lasting performance.

LED indicators for low battery and full charge.

Portable design with strap/handle for easy transport.

Supports audio playback via Bluetooth or wired audio connection.

Recording Function: Capture audio directly to USB/TF storage.

Product Information