Why you need this speaker Keeps music and news available anywhere: MP3 playback and FM radio give you immediate access to saved tracks and live stations without extra apps or connections. Reliable power for outdoor and emergency use: built-in solar charging helps maintain operation when mains power or batteries are not available. Easy to carry and store: compact, lightweight design fits in a backpack or picnic bag so you can bring sound with you. Key benefits and how it solves problems Continuous entertainment and information — play MP3 files or tune to FM radio to stay entertained or informed when traveling, during power outages, or off-grid. Reduced dependency on batteries and outlets — solar charging provides supplemental power to extend runtime during outdoor activities or emergencies. Better reception in challenging environments — advanced full-band high-sensitivity technology improves radio reception and audio consistency in weak-signal areas. Portable convenience — small footprint (17 x 13 x 5 cm) and low weight make it simple to pack and move without sacrificing essential functions. Main features MP3 playback: play your music files directly for on-demand listening. FM radio: tune to local stations for real-time news, weather, and entertainment. Solar charging: integrated solar charging capability to help keep the speaker powered outdoors or during outages. High-sensitivity full-band receiver: designed to improve sound clarity and radio reception across a wide frequency range. Compact dimensions: 17 x 13 x 5 cm — designed for portability and easy storage. Practical use scenarios Camping and hiking: bring a lightweight sound source that can be recharged by sunlight and used to play music or catch local weather updates via FM radio. Emergency preparedness: keep the speaker in your emergency kit to maintain access to radio broadcasts and MP3 audio during power cuts. Travel and outdoor gatherings: compact size and MP3/FM functionality make it suitable for picnics, beach days, or small group outings where a simple, reliable audio solution is needed. Technical summary (what it does, compatibility, size, performance) Functions: MP3 playback, FM radio reception, solar charging support. Compatibility: supports MP3 audio format and standard FM broadcast bands. Size: 17 x 13 x 5 cm — compact and travel-friendly. Performance: improved reception and clearer audio in various environments thanks to full-band high-sensitivity technology. Design: lightweight and portable for easy transport and storage. This speaker provides a straightforward, dependable combination of MP3 playback, FM radio, solar charging, and enhanced reception in a compact package — useful for travel, outdoor activities, and emergency readiness.