10-Memory tone/pulse Dialer With Save,Keytone,Lock And Handfree Functions(具有10个数码存储器、主音、上锁和保持功能的音脉冲拨号 tone/pulse Telephone Dialer 10-MEMORY tone/pulse DIALER WITH SAVE/ KEYtone/LOCK AND HANDFREE FUNCTION 10-MEMORY tone/pulse DIALER WITH SAVE, KEYtone,LOCK AND HANDFREE FUNCTION