... ,different color 3,CE,RoHS 4,Factory price Mini Sports Speaker MP3 Player for Bike Features-100% Brand new and in ... -Fi high quality and high efficiency speaker monomer, you can still hear heavenly music even outdoors.-Built-in high capacity rechargeable battery ... turn off the loudspeaker, not accessible to anyone else.-Sound speaker, headset, USB connector, FM radio antenna, line in and charging ...