Mini Bluetooth Virtual Projector Laser Keyboard With 5200mAh Power BankKeyboard: full sized QWERTY layoutProjection size: 240mm x 100mm (W x H)Projection distance: approx. 100mm from your deviceWorking temperature: approx. -10 to 40 Degrees CelsiusInput: above 1.5A / 5V - 5.4VOutput: 2A / 5VBattery ..