Detailed Product Description bluetooth hands free car kit,Li-ion battery with solar chargerItem no.VTB-200B-ns2Features:1.Answer and End a call2.Reject a call3.Built-in Microphone and Speaker4.Call waiting ,redial,Voice Dial5.Call Switching between phone and car kit6.Bulit-in Li-ion battery 7.DSP Technology,Full Duplex,Noise and Echo suppression8.Solar charging