TUNES2GO HFM1206 miStand Handsfree Kit and FM Transmitter with Charger for Car (Black) Adjustable clamp to securely hold most smart phones or GPS devices Full range FM transmitter; frequency range: 87.6 to 107.9 MHz Micro SD Reader directly plays MP3 music from Micro SD card (supports up to 16 GB) In-car charging function; output 5V/2A: 2 Charging cables included - Micro USB & IPod/IPhone cable (30 pin) Handsfree talking feature for safer driving