Power Tube 3000 is the world's first smart portable charger with smart app control. It is a compact and all-in-one portable charger with built-in original Lightning connector and male USB connector. No more worry about missing cable. Features - Compact all-in-one design with 3000 mAh battery - Built-in Lightning connector to direct charge iPhone, iPod and more - Built-in male USB input connector is set for recharging - Exclusive iOS App to monitor the battery level, range and temperature - Built-in LED charging status & battery level indicator Technical Details - Capacity: 3000mAh / 3.8V (11.4Wh) - Input voltage/current: 5V / 1.0A (max) - Output voltage/current: 5V / 1.0A (max) - Battery cell: Li-ion - Recycle: 500 times - Direct charging time: 3-4hours - Operating temperature: 0 degrees celsius - 45 degrees celsius. - Dimensions: 25(L) x 25(W) x 105(H)mm