Easily fixed on steering wheel， this car Bluetooth will bring you countless convenience during your driving; and it could free your hands when you pick up phone calls. It has inbuilt speaker， allowing you to listen clearly. This car Bluetooth adopts high-tech phone technology， with good noise restrain. Due to its Bluetooth technology and high compatibility， it can be connected to several devices. To sum up， featuring auto linkage， low consumption standby， volume adjustment， call rejection and so on， this Human Voice Prompt Hands-free Call Steering Wheel Car Bluetooth is really your optimal choice!                                    Features             New and in a good working condition<br> Easy to fix on steering wheel， convenient and safe to use<br> With good noise restrain， auto linkage， low consumption standby， volume adjustment， call rejection and so on<br> Bluetooth technology and high compatibility; support connection to various devices<br> Support hands-free call while you are driving<br> Outstanding human voice prompt function <br>                                                            Specifications             Bluetooth Version     CSR v4.0    <br> Frequency Range     2.4GHz Spectrum    <br> Connection Distance     0~10m    <br> Charger Input Voltage     DC 12V- 24V    <br> Li- Battery Capability     220mAh    <br> Standby Current                             Package Includes            1 x Steering Wheel Bluetooth Car Kit<br>1 x Car Charger<br>1 x USB Cable<br>1 x User Manual<br>