... the telephone calls6, Recording time settings7, Alam function8, Monitor and the hearing-aid through the eaphone while recording9, ... -in Dual Micophone11, External high quality dual-channel microphone12, View recording time left13, Wtih LED backlight14, Voice Activated System ... communication 6:voice format transferable, convenient download and upload 7:time setting , alarm setting 8:appllicable to be ...