Holder MX444 FM Transmitter QC3 USB Charging 2.4 A - Black

Supports MP3 / WMA format music playing

Supports AUX and TF Card music playing

Supports frequency memory function

Supports the six range of smart phone: 58mm-100mm

Supports Hans free / TF Card / line switch function

Adopt DSP technology, FDSP, CVC echo



Cancellation technology

Built-in highly- sensitive, microphone, assure calling effects of both sides

Fix smart phone, Hans’s free talking FM transmission a TF car music playing

Automatic turn on/off when starting / turning off