Features: -Shell made from zinc alloy and anti-fall strongly.  -Professional pen chip of ATJ2129, HD lossless linear recording.  -Support English/Chinese/Russian/Korean/Japanese(24 languages).  -Timestamp, Name the recording files by date automatically.  -Start to record and power on at your set time.  -Features: Voice Recorder, MP3, Mobile HD.  -AGC noise reduction function, adjusts the noise source automatically.  -Monitor the recording in real time / Hearing aid function.  -Play function: Support loop recording , A-B repeat.  -Password protection.  -Support checking the remaining recording time.  -Support expansion memory up to 64GB with TF card.  -Built-in high-fidelity speakers with direct external sound.  -Eye free, LED backlight.  -Voice activated recording function.  -Detect low battery and save the current recording file automatically before power off.  -USB 2.0 connector, easy to upload and download files.  -Support telephone recording, record by segment automatically while calling.     Specification: Recording Format:WAV MP3;  Music Playback Format:MP3/WMA/FLAC/APE/OGG lossless music;  Battery Recording Time:About 13 hours;  Battery Playing Time:About 10 hours;  LCD Resolution:Dot Screen 128*64;  USB Interface:USB 2.0 High Speed;  Built-in Speaker:20MM*30MM  8 Omega/1W;  Working Temperature:0 to 40 degree;  Recording Sample Rate:48KHZ;  Headphone Jack:3.5mm, dual track;  Microphone Jack:3.5mm, dual track;  Size(mm):92*50*10.5 (L*W*T);  Weight:103g;  Compatible System:Windows 2000&above;     Package Included:  1 * Voice recorder;  1 * English user manual;  1 * USB data cable;