... DLP LED Projector for Mobile Phone with Built-in 1850mAH Power Bank, 640x480, 1000:1 Introducing: View your mobile phone contents with ... * Internal Speaker * Power Bank mode: 2.5W * Power Input: 5V, 2A * Power Output: 5V, 500mAh * Power Consumption: 7W * Battery Size: 1850mAH (for Power Bank or for Projector ... DLP LED Projector for Mobile Phone with Built-in 1850mAH Power Bank, 640x480, 1000:1