... mp3 and cellphone 2:AA battery operated Bag speaker Material:Spandex/900D&600DSize:L390W330*H67mm * 2 pcs SpeakerStyle: DynamicSpeaker ... Player, Mobile Phone, Karaoke Player, Computer, Stage, ...Channels 2 (2.0)Special Feature Wireless, Portable, MiniPlace of Origin Guangdong, China (Mainland)Speaker Diameter ...