... DVD, iPod, iPhone, GPS, PSP, mobile phone, notebook computer, Hi-fi speaker, U-disk and TF card.Perfect combination of NANO ... ≥80DbLoud speaker 1.77 inches (external diameter 45mm) Magnetic resistant 4OhmsPower supply: 5V/1000Ma AC power adapter, computer USB power ... rotate connect line(optional)3.5mm earphone audio input. aluminium tube Mini Speaker packing detailGift ...