1, Ultra-portable 8GB huge storage device. 2, One Key Noise Reduction: Push up "Noise C" key to reduce environmental noise 3, Rechargeable Battery ,Continues recording more than 45 hours(Mp3 format) 4, Recording model: PCM WAV: 1536Kbps/1024Kbps/768Kbps/512Kbps,Mp3: 192Kbps/128Kbps/64Kbps/32Kbps 5, Work with Windows and Mac OS system (Need install wav player) 6, Time-Setting:can name the file use time, easily know which day recorded. 7, Sensor Voice Activated Mode: Start Recording when there have sound, pause when on sound( can't power on by voice , you still need press REC button as usual) 8, Built-in Speaker 9, Support 24 Country Languages: English, Russian, French, German, Hebrew, Japanese, Chinese, Dutch, Spanish, Portuguese, Arabic, Italian, Polish, Slovenian, Turkish, Korean, Romanian, Danish, Hungarian, Norwegian, Finnish, Slovakian ,Sweden. 10, Has a 1.5inch OLED Screen 11, Include a Password protection 12, Alarm Clock function 13, Multiple folders for batter organization of all your hundreds of recordings. Colour:Black Material:alloy Package Contents: 1 * Professional Voice Recorder Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.