... 2,Attractive out apperance 3,many color portable bicycle speaker bag with customer logo Product Description:1. Portable, enjoy music anytime ... . Attractive out apperance3. Color: Pink, Black, or other options4. With Amplifier Inside5. Power source: 1.5*2 AA battery6. Compatible ... special design for outdoor.The low power wasting enable your long time play. You can enjoy your music anywhere,anytime ...