6>The 5V power adapter powers and charges the micro USB device. Note: The output voltage is 5V, 12V voltage cannot be used. 7>Suitable for DC 5.5 x 2.1mm and Micro USB interface devices, such as mobile phones, tablets, MP3, etc. 8>Nickel plated joint, fine solder joints, resistance to plug, and good contact to ensure transmission signal stability, durability, and long life. The outer casing is made of PVC, which is soft and durable.