Retro Block-Lautsprecher für iPod / iPhone

Retro block speaker for iPod /iPhone 1)."Active Bass System" for awesome sound 2).size of a standard LEGO 3).Docking Connector for Nano,Touch& Iphones 4).No battery required,powered by iPods or iphones specifications: 1).Rated Power:0.5W*2 2).Frequency Response:100HZ---20KHZ 3).S/N Ratio:≥90db 4).weight:18g only 5).Power Supply:powered by Ipods or iphones 6).product size:62mm x 15mm x 20mm Available Colors:white, black, purple, red, green, yellow, blue, gold, sliver