Question: what is a 5v adapter?
Answer: Size:5V 2A(2000mA) This is an iMBAPrice AC/DC adapter product. Use it to power your products. Depending on specifications, use this adapter to power products such as routers, modems, lan phones, and other office electronic devices. The input for this device is AC100 ~ 240V, 50/60 Hz, 0.3A max.