... at the same time 3.good transmitting effect Transmitter IL-10 mp3 fm transmitter, car charge, in car charger Features:1) Simply plugs it into ... ) Transmitting range: 30m4) Has a USB for charging5) Charging voltage: 5.5V, 2.8V, 2V6) Charging current: 500mA IL-10 Transmitter , Car charger , Car FM Transmitter