"Stellllaaaaaaaaaa!! The Stella series is brought to you by Volkano. This compact and portable fabric Bluetooth speaker packs a whopping playtime of up to 12 hours when fully charged. Talk about dynamite in small packages. It has additional built-in user functions such as an FM Radio function, an SD Card reader input, a USB port, and an AUX jack input - what more could you need?With only the best quality drivers and a fabric casing, this speaker has explosive, great-quality sound for every occasion.