?【16GB Large Memory Voice Recorder】 Built-in 16GB internal memory can store up to 1100 hrs （32 kbps）audio files or 24 hrs high sound quality audio files（1536 kbps） or 3000 songs, support up to 64G micro TF card . ?【1536kbps & Noise Reduction Technology】Built-in Multi-directional microphones for capturing a full and detailed stereo sound, supports a long distance recording. With a recording bit rate of up to 1536 kbps and professional DAC noise reduction chip, to enhance human speech recording and filter out background noise, the voice recorder achieves stereo HD recording, giving you a feast of hearing. ?【One-key Recording & Voice Activated Recording 】 Press REC/SAVE one button to start/save recording, backlight LCD display screen with a friendly user interface, easy to setup which provides you with a simple operation. Activates the recorder only when an audible sound is detected, conserving space and eliminating soundless passages.