Large built-in rechargeable battery capacity with long playing time and lighting hours with a metal handle, easy to place, colorful lighting great for camping, reading or romantic dinner 3.5mm AUX input, both indoor and outdoor compatible for most of digital equipment with bluetooth. Portable wireless stereo speaker, support micro SD card, bluetooth mode(V4.0), equipment connection 360 degree stereo surround sound, side aluminum alloy mesh hole with wrap-around sound ensures that everyone enjoys good sound, provide a natural sound, brightness modes: tap the top mesh once for low light, twice for middle level light, three times for high light with restart button if it have something wrong, provides much convenience to you.Save Battery Light also supports Micro SD card, 3.5mm Line-In, audio input.