"Handset 15 groups of chord music and ring on/off switc hable
Over-range alarm for hadnset
Manudlly adjust handset liquid crystal display brightness
Call in minmber talking
Music play function
SUto or manually scan free channel,avoid interferene handset
Handset pre-dial function
handset alarm clock,calendar function,autotime when calling
Handset incoming and outgoing numbwer chec