Adapter allows for the connection of the power supply with tip of 5.5 / 2.5 mm to themicroUSB connector. The adapter has no data lines, so it isnot suitable for powering iPhones, iPads, iPods etc. However, it can work as an adapter to powerArduinoandRaspberry Pi. Cable length is 16 cm
The adapter does not have a built-in voltage regulator. Do not connect the power adapter 9 V or 12 V to a device that requires 5 W, as this may damage it.