... design,slim and delicate appearance, and convinience to use. Standard USB output and miniUSB input ... output.Fashion design,slim and delicate appearance, and convinience to use. 1) 5 LEDs indicates the Cap2) ... button,the first LED flicker4) Press the button to display power and open up USB output;5) ... phone connectors 2,1 USB cable If you want to buy sample ,pls enter into our aliexpress web,contact ...