1、NOISE REDUCTION: Mini voice recorder uses professional sound chip, low power amplifier to restore real clear sound, DSP noise reduction. 2、USB DIRECT PLUG IN: USB voice recorder without data cable, no adapter, USB plug directly into the computer can be used as a U disk, fast import data. 3、POWER FAILURE AUTO SAVE: Voice activated stereo recorder without fear of momentary power failure, automatic file saving, worry free loss. 4、RECORD WHILE CHARGING: USB voice recorder supports the connection of rechargeable batteries, computers, car USB port while charging recording, not bound by the battery. 5、SIMPLE OPERATION: Digital USB voice recorder is easy to operate, the power on that is recording, shutdown on save, convenient and practical, quick recording. Item Type: Digital USB Voice Recorder Material: ABS Recording Format: WAV Recording Mode: Power On Recording, Power Off Saving Built In Polymer Lithium Battery: 120mAh 1 x Digital USB Voice Recorder 1 x Instruction Book