1、Voice Activated: The voice recorder adopts smart voice activated recording technology that starts recording when sound is detected and stops when the sound ceases, making efficient use of storage space and battery power. 2、HD Noise Reduction Recording: The small voice recorder is excellent for meetings and classes, able to reproduce the on site voice with HD noise cancelling recording feature. 3、Time Synchronization: The portable sound recorder incorporates with built in time chip, easily syncs with computer time to record timestamps, making data organizing more convenient. 4、Back Clip Design: The digital sound recorder is designed with a bendable back clip that can be slipped into a pocket, backpack, or a file folder, allowing for easy portability. 5、Auto Saving: The voice recording device is a safe, reliable, and low power consumption device with automatic save and shutdown features to ensure that no recorded data will be lost. Item Type: Voice Recorder Material: ABS Recording Format: WAV Music Format: MP3/WMA/WAV Built in Battery: 110mAh Polymer Battery (Included) 1 x Recorder 1 x Charging Cable 1 x Earphones 1 x User Manual