AGC function, automatic noise adjustment, dual microphone head noise reduction function. One-click recording, supports voice-activated recording and monitoring. Two high-sensitivity microphones with noise reduction chips. Using the latest intelligent digital noise reduction technology, this digital voice recorder can provide you with high-quality sound as if the speaker were standing next to you. This recorder can be used as an MP3/music player, you can enjoy music after a call . Tired of studying, meetings, etc. Specification: Material: ABS Capacity: 8GB/16GB/32GB Length: approx. 10 cm/3.93 inches Package included 1 set of digital recorder Notice: 1. Please allow 1-2cm error due to manual measurement, please make sure please don't mind before ordering. 2. Due to differences between different monitors, the picture may not reflect the actual color of the item.