... own logo 4,Promotional gifts 5,delicate 1,colorful brick portable mini speaker for iPod /iPhone2,mp3 speaker3,do your own logo4 ... standard LEGO-Retro style boom box style for iPod speaker-Stereo output -Powered directly from iPhone 3G,3GS / iPod, No batteries ... Color: white,black,blue,pink,yellow and etc... Technical Details Speaker Unit:2×1"Full Range Magnetically shieldedFrequency Response:50~15 ...