Pyle PLBKA60CR 300 Watts Waterproof Stereo Portable Bicycle/Scooter MP3/Ipod Music Player (Chrome) 2'' High Quality Speaker 150 Watts RMS / 300 Watts Peak Frequency Response: 300-18KHz Impedance: 8 Ohms Portable MP3 Player with in 2G Memory Capacity BATTERY TYPE (AAA) 1.5 V X 2 (LI&gt;Commercial Adaptor: 4 Hours Music Format : MP3 / WMA (below 384Kbps) File System : FAT16 / FAT32 USB 2.0 Full Speed Interface Custom-tooled Bullet Shape Speaker housings Easy Installation Speaker brackets are included for Cycling activity Bike carrying bag for MP3 is included Speaker Dimensions: 3.14''L x 2.17''W x 2.17''H MP3 Player Dimensions: 3.23''L x 1.97''W x 0.59''H Sold as : Pair 2'' High Quality Speaker - Playing time: 8 hours - Custom-tooled Bullet Shape Speaker housings 150 Watts RMS / 300 Watts Peak - Charging time: USB : 7 Hours , USB(5V/1A) A/C Commercial Adaptor: 4 Hours - Easy Installation Speaker brackets are included for Cycling activity Frequency Response: 300-18KHz - Music Format : MP3 / WMA (below 384Kbps) - Bike carrying bag for MP3 is included Impedance: 8 Ohms - File System : FAT16 / FAT32 - Speaker Dimensions: 3.14''L x 2.17''W x 2.17''H Portable MP3 Player with in 2G Memory Capacity - USB 2.0 Full Speed Interface - MP3 Player Dimensions: 3.23''L x 1.97''W x 0.59''H