(1)Easy to work. The unit adopts professional software of digital voice recorder. Press "REC" key at any standby condition to start recording (2)Three recording modes : LP, SP,HP. (3)VAR System Voice Actvated Recording. LP/SP recording modes are defaulted as Voice Activated recording. (4) Record telephone conversations. (5) Drive free USB flash disk function.USB mass storage PC files. (6) FM radio. Radio covers 87.5MHz~108MHz (7) Low-battery indication function. (8) Built-in high grade microphone and louder speaker. (9)Sectional automatic break & repeat from A to B. (10) LCD screen with color backlight. (11) And record through external microphone input. (12) Accessories: earphone, USB cable, telephone adapter, telephone line, line-in cable,external microphone, Instruction manaul. (13) Dimension: 102mm*28mm*20mm (14) Weight: 32g. (15) Use 2 pcs of AAA batteries. (16)Accessories: earphone, USB cable, telephone adapter, telephone line, line-in cable,external microphone, Instruction manaul.