■ Large ring tones， large keys， adjust the earpiece volume ■ FSK and DTMF dual system Caller ID reception ■ Large ring tones and 16 ringtones ■ Pre-dialing; cancellation number， call back and redial function ■ 15 group of eight outgoing calls and call duration records ■ 8 种 temporarily cut time and retained an optional feature ■ 8 bits out code， the local code set ■ 3 groups alarm clock， Do Not Disturb ■ 50 group of eight storage function calls ■ superior anti-lightning， anti-interference function