... 3:Good quality 4:Easy installation 5:Competitive price SD card mini usb spkeaker This speaker has been put into stylish ... phone, notebook computer, Hi-fi speaker, U-disk and TF card.l Perfect combination of NANO-style button and noble metallic ... USB power rotate connect line(optional)l 3.5mm earphone audio input.Accessory includes 1 USB cable,1 line-in cabledetailGift ...