GOgroove SonaWAVE Portable Tablet Speaker - Works W/ The Amazon Kindle Fire , Asus Transformer Prime TF201 , TF300 , Acer Iconia A700 , Coby Kyros , Toshiba Excite 10 LE and More! 3 speaker arrangement for powerful sound - 2 high-excursion drivers and passive amplified bass woofer Perfect to use with laptops, smartphones, tablets, mp3 players & other devices with a 3.5mm audio connection Multiple docking options supports mp3 playback from devices as well as SD/SDHC memory cards and USB flash drives Includes 3.5mm audio cable, USB cable, and AC adapter for power & charging; Rechargeable battery provides 2-3 hours of audio playback Comes with a 3 year manufacturer's warranty