Large Capacity Built-in Flash MemoryVoice recorder with built-in 16GB flash memory effectively reduces power consumption, it reads data directly from the flash memory for fast transfer, the device also supports TF cards(Not included in the package) up to 128GB. 16GB digital audio recorder can store 320 hours of recording or 3,000 songs. 880mAh rechargeable battery supports up to 150 hours continuous recording(256kbps) and 100 hours of playback with earphones.Voice Activated Recorder & One Button Record/SaveThis recorder device can set voice decibels at 8 different levels. Regardless the level of the volume, with correct voice decibel level, when "VOR" function is enabled, this recorder will catch talking voice only, reduce blank and whispering snippet, save space and time.. With one button, easily record/save a named recording file with date and time. Efficient recording for your speeches, meetings, interviews, conferences, etc.3072kbps HD Stereo & DSP Intelligent Noise ReductionThe 3072kbps professional recording ratio, coupled with built-in stereo condenser microphones, allows the recording effect of the recorder to improve unprecedentedly. The recording device adopts upgraded DSP powerful noise reduction technology, dynamic noise cancellation microphone, sonic cancellation and filtering for different environments, you will get ultra-clear recording.Easy Files ManagmentDictaphone can save the recording files with time stamp (File named with Year, Month, Day, Hour, Seconds), easy to find out when you recorded, what it recorded. You can use the supplied USB cable to connect your computer to recharge and transfer files. Our digital voice recorders can be connected to Windows and Mac (for Mac connection, please use usb-c to usb-a cable, the supplied cable is USB 2.0 Type A).