1 to 3 Car 3 Way Cigarette Lighter Socket DC Power Adapter Splitter + 1 USB Port Can be used for different kinds of cars. Transfers one car charger socket into three ones and a USB port, convenient and practical. Independent toggle switch with blue backlight for each socket. USB port: can connect with different kinds of USB cables to charge for MP3, MP4, mobile phone, GPS, tablet PC, etc. Note: Total current of the three sockets should not be over 5A.