... quality 2,different color 3,CE,RoHS 4,Factory price Mini Sports Speaker MP3 Player for Bike Features-100% Brand new and ... .-Built-in Hi-Fi high quality and high efficiency speaker monomer, you can still hear heavenly music even outdoors.-Built-in high ... capacity rechargeable battery (1450mAH), support long play-You can continue to enjoy the music when using headphones to listen ...