USB Ethernet to WiFi Adapter for Apple Mac MacBook Air Ethernet WiFi Adapter for Apple MacBook Air USB-RJ45 WiFi Adapter for iPhone4s,iPhone4, iPad2 ... the ethernet/wired connection into a WiFi mode connection.2. With this WiFi adapter you can surf online with iPhone4, ... cost caused when online gaming,chatting,watching video by using WiFi adapter with your iPhone, iPad or Macbook4. Small, light, ...