Description Features: 1.Easy to Carry: Mini voice recorder is equipped with 4 kinds of memory 8G 16G 32G and 64G you can choose the memory you need. The portable and compact key rebate design make it easier for you to carry. 2.Perfect Design: Recorder adopts a professional DSP acoustic processor which can perfectly filter the background noise and provide you with a truly complete clear and natural sound and you will easily enjoy clear recording. 3.360 Degrees Panoramic Recording: The professional recorder adopts 360 degrees panoramic recording and the high-sensitivity microphone achieves a more three-dimensional sound pickup effect. No matter where your recording pen is placed it can pick up the sound. 4.One Key Operation: You can start stop or save the record with one key. There are no complicated steps. You can long-press the previous button on the wired remote to fast-forward after the earbuds are connected. And you can press and hold a button to rewind. It is perfect for lectures meetings note-taking classes dictation job interviews and more. 5.Long Battery Life: The digital voice recorder supports 4GB-128GBTF card expansion (not included) which can store larger capacity recording files. With a built-in high-quality 160mAh rechargeable battery it can be fully charged for about 30 minutes and can record 16 hours continuously and play over 7 hours. It can be charged while recording and it has the function of automatically saving data when the battery is low. Specification: Recording Folder: 999 recording files Recording Format: WAV format Recording Power: 8mA-11mA Recording Sample Rate: 48KHz Recording Bit Rate: WAV 192kbps Playback Format: MP3 WAV WMA and other formats Headphone Jack: MICRO-Mike jack stereo headphone USB Interface: MICRO-Mike 5P/DC5V-1A Built-in Storage Capacity: 4GB-128GB (optional) Built-in MIC: Omnidirectional capacitor MIC Operating Temperature: -10C~40C Body Weight: About 34g (bare metal) Body Size: About 66.9*23.20*10.20mm/ 2.63*0.91*0.39 inches Recording Save: Save a file every 30 minutes by default Battery Capacity: 160mAh Battery Life: About 16 hours for recording about 7 hours for headphone playback Support System: Windows XP.Vista/2K/ME/98 (drivers need to be installed)/ IOS 10/Windows7/Windows10 Notice: 1.Actual color may be slightly different from the image due to different monitor and light effect. 2.Please allow 1-3cm deviation due to manual measurement. includes: 1* Voice Recorder 1* Headphone Cable 1* Data Cable 1* Instruction Manual