One-touch recording high quality recording Display: 1" LCD Three recording modes VAR/VOR system(Voice Activated/operated recording) Recording via high grade built-in microphone Playing back via high quality speaker Recording telephone conversations Recording via external microphone LCD screen with color backlight Working as drive free USB flash disk Built-in rechargeable lithium battery Low battery indicating function Time stamp, Display hours and minute(24hour format) Max Recording Segments Segments Amplifier's Max Output Power 1W(8 ohm) Recording Source Phone recording, Built-in Mic Recording, External Mic Recording, Line-recording. Recording Output Format WAV Suggested Operation Environment 0-40Degrees Celsius Charging Method Built-in Rechargeable Lithium Battery/USB Charging Support language: Simplified Chinese / Traditional Chinese / English/ Japanese / Korean / French / German / Italian / Dutch / Portuguese / Spanish / Swedish / Czech / Danish/polish / Russian / Turkish