Product Name: Power Bank Model No¡êoX-3500 Battery Cell:Lithium polymer The Case:Stainless steel Color:Silver,Black Capacity: 3500mAh Input: 5.0V DC/500mA Output: 5.0V DC/0.8A/1.5A Dual USB port design supports 2 devices simultaneously Size: 70 x 70 x 15.2mm Power Indicators: 3 digits figure Certificate:CE/RoHS/FCC Warranty:One year Features: Designed to provide power for your iPhone, iPad, iPod and mobile phones. Large capability, powerful with long operation time. Be compatible with Nokia, iPhone, MP3, MP4, and other mobile phones... The USB output, more convenient. High efficiency of power conversion. Electricity-saving function. Partable, practical and long cycle life. Power bank Safe and reliable, perfect for using on travelling and outdoor activities With LED power indicator. In Color box