... with mobilephone,all device with 3.5mm 4.In stock Portable Bicycle Speaker Specification:1, music playback, high power long ... (extended memory)12, interface: USB 2.0 Full speed13, file system: FAT16/FAT3214, music formats: MP3/WMA15, operating temperature:-18 ... label)Transmission interface: USB 2.0 Full speed,FAT16/FAT32 file systemMusic format: MP3/WMA (384kbps)Operating temperature:-18-80Dimensions: ...