Features:1. 100% Brand new and high quality.2. Full frequency FM transmitter.3. Supports digital display.4. Support USB disk TF card player5. Support U disk player/ MP3/ WMA format music.6. One USB output voltage、 the power supply to other devices、 the maximum output of 5V/ 1A.7. Automatic power-off memory function.8. Bluetooth answer、 hang up、 reject、 redial calls and other functions.9. Bluetooth stereo music play.10. Display of on-board battery voltageNote: USB disk and TF card are not included!Package included:1 x Car FM Transmitter Car Charger 1 x User manualConnection to Bluetooth Devices(1).Turn the car kit on.(2). With the LED indicator `s 1 time/second blinking、 search for the bluetooth devices names"X5" on your smart phone or other devices(3). Enter the password ¡°0000¡±(4). The devices has memory function. it will automatically connect to its memoried paired Bluetooth devices when power on.