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. Noise Reduction Chip: The mini digital voice recorder features a powerful built-in professional noise reduction chip, delivering higher fidelity and clearer sound quality for recording and playback. 2. Long Battery Life: With a built-in 1100mAh polymer lithium battery, this mini digital voice recorder can record for 7 days and 7 nights, offering long-lasting usage. 3. 2 Modes: Switch between voice-activated and regular recording modes to enhance efficiency and meet your diverse needs. 4. Automatic Control: The HD mini video voice recorder starts recording with sound and stops when there's no sound, effectively saving memory and power. 5. Encryption Technology: This voice recorder utilizes integrated recording encryption technology, ensuring your data remains unreadable and inaccessible to others, even if it falls into the wrong hands. Includes: 1 x Voice Activated Recorder 1 x Headphones 1 x User Manual 1 x Charging Cable