1) Use 4 PCS AA dry battery, supply to i Pod electric power at any time
2) USB jack, output is 5V voltage and rapid charge
3) With rising voltage circuit, it can maximum use up dry battery electricity
4) With electricity remind display, all are in control of hand
5) With waist buckle, convenience for supplying electricity to i Pod when carrying
Please use contact form for send message directly to seller. Your message will be sent directly to the recipient and will not be publicly displayed.