1、Noise Canceling Chip: Mini digital voice recorder has a powerful built in professional grade noise canceling chip that gives you higher fidelity and clearer sound quality for recording and playback. 2、Long Lasting Battery Life: Mini digital voice recorder built in 1100mAh polymer lithium battery, can last 7 days and 7 nights recording, lasting life. 3、2 Modes: Mini digital voice recorder using voice control and ordinary two modes to switch, improve efficiency, to meet your different needs. 4、Automatic Control: HD mini video voice recorder with sound to start recording, no sound to stop recording, effectively saving memory space and power. 5、Encryption Technology: Voice recorder using integrated recording encryption technology, even in the hands of others can not read the copy data use, such as the operation of non self can not listen to the contents of the recording. Item Type: Voice Activated Recorder Material: ABS Recording Mode: Power on Recording, Power off Saving Recording Format: WAV Playback Format: MP3 WMA WAV Built in Polymer Lithium Battery: 1100mAh 1 x Voice Activated Recorder 1 x Earphone 1 x Instruction Manual 1 x Charging Cable