Features:

.Brand new Silicone Powerless Subwoofer Headphone Speaker Amplifier for iPhone iPod

.Adopts old-fashioned acoustical science

.Adds up to 80 decibels of sound pressure to your iPhone or iPod headphone speakers

.Perfect solution to sharing your iPod’s or other MP3 player music without having to carry around bulky speakers

.Made of high quality silicone, the portable speaker is virtually indestructible, dustproof, waterproof and shockproof

.No external power needed and environmental friendly

.Easy to use: just put the headphone to the centre of the speaker and it will provide up to 80dB audio

.The collapsible powerless speaker is perfect for travelling and outdoor use

Specifications:

.Color: Blue

.Material: Silicone

.Package Dimensions: 160*160*60mm

.Weight: 248g

Package Included:

1 x Silicone Powerless Subwoofer Headphone Speaker Amplifier for iPhone iPod