1. Bluetooh 2.0 transmission, in good quality sound for telephone.                                                                                       

2. 3.7V standard chargeable lithium battery, can keep power on for a long time.                                                                 

3.  2.5W bulit-in megaphone, clear timbre, adjustable volume.                                                                            

4. With phone call saving function                                                        

5. With car charger for accessories

Rechargeable Bluetooth Handfree Car Kit