Sell Caller-ID Headset Telephones

详情

1.With LCD display                                                         
2.Real Date & Time display                                                 
3.On/Off function, ridial function                                         
4.Mute function,predial function                                           
5.Tone / Pulse dialing mode compatible                                     
6.Ringing can be adjust by three grades: high, low, off                     
7.Auto IP function                                                        
8.Anti-theft dial function                                              
9.Headset volume control                                                
*0.Super anti-thunder function