... ,delicate 1,colorful brick portable mini speaker for iPod /iPhone2,mp3 speaker3,do your own logo4,Promotional ... 3G,3GS / iPod, No batteries required. -Compact and lightweight,18g only-Audio input: Apple Dock connector -Easy access ... Magnetically shieldedFrequency Response:50~15,000HzPMPOPower:500MW OutputConnection:IPOD JackAccessoriesIpod docking stationPacking DetailsProduct size:63*18*21mm1pcs ...