【Professional Recording Device】 Professional 192kbps MP3/WMA/WAV recording, with powerful DSP noise reduction technology, ensuring HD audio experience. Suitable for conferences, meetings, interviews and lectures. 【High Quality Voice Recording】Our voice recorder pen equipped with a integrated intelligent noise reduction chip, plus powerful DSP noise reduction, sound cancellation and filtering technology for different environments, no more annoying background noises in your recordings 【16GB Mass Storage】Portable voice recorder with 16GB of built-in memory, capable of storing approximately 192 hours of audio recording files. No additional memory card is needed. The recording time is continuous up to 12 hours on a full charge.(Please note that for testing, some recordings are kept, and you can delete them yourself.) 【Intelligent Voice Activated Recording】The device will automatically record after detecting sound above 40dB during recording. No recording when there is no sound detected, which can reduce blank space, save time and memory space. 【Easy to Use】Same shape as a pen. Record and save recordings with one button. With normal decibels, you can record clearly up to 10 meters away. Can be used as a writing tool with 3 replaceable refills. Simple to recharge the recording device or transfer audio files to PC via USB cable. You can also listen to recordings directly from the recorder via the supplied headphones.