Lyker VM-31 2018 Upgraded Version Digital Voice Recorder for Lectures 8GB with Dual Microphone, AGC Noise Reduction, Voice Activated PCM

Built-In Microphone with Noise Reduction  Includes a noise cut feature for clear speech playback and a low-cut filter to help reduce wind noise. A 1/8-inch earphone jack allows you to use an external earphone if you choose.  Hundreds of Hours of Recordings  With four recording modes between 64 kbps to 384 kbps bit rates, you can choose to store hundreds of hours of lower-quality audio or fewer hours of higher-quality audio, which takes up more space on the drive.  Features：  Memory capacity: 8GB  Playback format: WAV/WMA/MP3/OGG  Interface: High-speed USB 2.0  LCD: 128*64 Graphic LCD  Battery: 380mA Li battery  Signal-to-noise ratio: 80 DB  Product size : 92*31*9mm(H*W*D)  Package Contents  1 x 8GB Digital Voice Recorder  1 x Package Box  1 x USB Cable  1 x User Manual