Features:
Extension tube: Smallsize but big in bass
Tumbler design, entertain yourself
Portability: Small enough to carry around in your pocket
Built -in rechargeable battery,
Packaged accessories including:
Earster egg, Input/Audio, USB cable
Color: Balck, Red, Blue, Silver
Application:
Can be used to MP3, MP4, mobilephone, laptops, DVD/VCD Player