SNGDAR101 - DIG AUDO RECRDR W PHN Built-in High Fidelity Stereo Microphone with Dual AGC Loop, Telephone/Music/Reminder 3 Individual Mode-in-One Easy to Read LCD Display with Adjustable Backlight, Timer Record: Standby Record/Timer Play, Recording Density (64k/128k/192k bps) Adjustable Recording Level and Balance, Recordable Media: SD Card by MP3 Format, Telephone Record by Hook On/Off Control Recording Source Mode (Internal Microphone, External Microphone, Telephone and Line-in), External Audio Source Recording through Line-in/Audio Sync External Stereo Microphone Socket Applicable for Capturing Stereo Audio Sound, Built-in 2 Higher Sensitivity Internal Microphone with Dual AGC Control