speaker stand- manufacturer 1.FM mini speaker 2.USB mini speaker 3.TF card mini speaker 4.Mp3 mini speaker speaker stand-stereo speaker manufacturer/supplierFM ... music.Rechargeable Li-battery, worry-free power exausted with this mini speaker Applicable to MP3, MP4, Laptop, PC, MID ... movies and games to provide high-quality sound, with volume control, adjust the volume according to individual needs ...