Hybrid Compact 2-in-1 2-Port USB Foldable Car/ Vehicle/ DC and Wall/ AC/ Travel Charger Adapter for Asus Transformer TF300 ( Black ) + Cellphone Antenna Booster 2-in-1 Foldable Compact universal Vehicle & travel charger Power to charge allows you to use your Cell Phone, MP3/4 USB Output: 5V 1000mA with 2 USB ports, you can now charge two devices simultaneously USB charging cable not included