... 3,Proprietary brand 4,Portable journey power bank Special Designed for iPad2 /iPad, all iPhone versions, all iPod & iPod Touch ... , Samsung Galaxy, Sony PSP & many othersHigh quality Li-Polymer battery ,over 500 times life cycleUilt-in proprietary software to control ... ,safe and high efficiencyClear & simple design ,mobile and portable hot sell ! portable power bank for usb device ,and cell phones