- When earphone is hooked up to the amplifier shell (included), the?earphone transforms into a Mini-Speaker!- Amplifier?shell doubles as a storage case when not in use, prevents cables from getting tangled- Stylish design, looks and works no differently?from normal earphones- Share your music with?people close to?you whenever you want -- no need to carry bulky speakers around- Amplifier?shell does not require additional power to operate- Patented design.* Note: the volumn of the "amplified" earphone is significantly louder than usual earphones, but?don't expect it to compete with?any full blown powered and?amplified speakers

Stereo  Earphone  Speaker