Bluetooth: V2.1, Class 2 -Frequency range: 2.402-2.480GHz -Built-in FM transmitter: 87.5-108.MHz -Interface: USB 5pin -Packaging included: 1* Steering Wheel Bluetooth Car Handsfree Set, 1* DC12-24V car charger, 1* USB cable, 1* English user manual -PLEASE NOTE: This product requires a lead time of 10 to 14 days.