Specification: Item Type: USB Voice Recorder_x000D_Material: ABS_x000D_Recording Format: WAV_x000D_Recording Mode: Power On Recording, Power Off Saving_x000D_Built in Polymer Lithium Battery: 120mAh Features: 1PROFESSIONAL CHIP: USB voice recorder adopts professional sound chip, low power amplifier to restore real clear sound. 2EASY TO USE: USB voice recording Device simple operation, power on that recording, power off on save, power off file automatically save. 3U DISK FUNCTION: Mini USB voice recorder without data cable, no adapter, USB plug directly into the computer can be used as a U disk, fast import data. 4NOISE REDUCTION: USB recorder using DSP high definition noise reduction technology, so you can learn, business meetings and negotiations in the recording without noise. 5RECORD WHILE CHARGING: Mini voice recorder supports connection to rechargeable battery, computer, charger, car USB port while charging. PackageList: 1 x Voice Recorder 1 x Instruction Manual