iFrogz Audiowrapz Treadz Speaker Case for iPod nano 3G, Black

More than just a case, Thumpz, by iFrogz offers the best in protection, style, and sound. This 100% silicone case utilizes a unique passive speaker technology that does not require batteries or draw power from your iPod.

Features:

• 100% silicone case
• passive speakers
• does not use batteries
• headphone jack
• removable module