Upgraded In-Car FM Transmitter, Radio Adapter Car Kit with 1.44 Inch Display and USB Car Charger Features: Specification: Bluetooth Version: V3.0 + EDR Working Current: 45mA (Max) Stand-by Current: 25mA (Max) Effective Range: 5 meters Frequency: 87.5MHz – 108.0MHZ Note: Please do not play music from two sources simultaneously, or there will be two voices. If you want to change mode to play music, pause the musicof the first source, and then play the music of the other source. Package Included: 1* FM Transmitter 1* 3.5mm Audio Cable 1* User Manual Type: Radio Transmitter Labor: 45 days money-back and 12-month, worry-free Guarantee! Color: Silver Current: Working Current: 45mA (Max) Stand-by Current: 25mA (Max) Frequency Response: Frequency: 87.5MHz – 108.0MHZ Range: Effective Range: 5 meters App-Enabled: Yes