1. FM transmitter technology 2. Support play the music in the TF card / U disk 3. Support play the music of the phone 4. Support mobile phone charging 5. Auto power-off memory function 6. Bluetooth Handsfree Technology Parameter: Type: FM Transmitter Input Voltage: 12-24V Output Voltage: 5V +/- 0.25 Output Current: 1000mA (Max) Power consumption: 1W Operating temperature: 0-50 degrees Support playback format: MP3 WMA (option) Bluetooth: Bluetooth Version: V3.0 + EDR Frequency: 20HZ- 15KHZ Sensitivity: -42db +/ 3 db 360 Voltage: 5V +/- 0.5 Working Current: 45mA (Max) Stand-by Current: 25mA (Max) Frequency: 2.402 - 2.480ghz Effective Range: 5meters Sensitivity: -92dBm RF Output: 4dBm Frequencies: FM: 87.5MHZ - 108.0MHZ Transmitted Power: 87dBuv / 107dBuv Effective Range: 2meters Package Includes: 1 x FM Transmitter 1 x AUX Cable 1 x User Manual