Feature: 1. One Key Recording: The recorder is easy to operate, convenient and quick, one key recording function to record the voice you want. Suitable for meeting recording, classroom recording, interview speech, business cooperation and many other occasions. 2. Voice Recording: When you turn on the intelligent voice recording, record when there is sound, pause when there is no sound, record when you want to record, stop when you want to stop, prolong the recording while preserving the memory space. 3. Build in Noise Reduction Chip: The recorder has a built in noise reduction chip, which can filter noise sources in different environments, bringing you audible and clear recording quality and playback effect. 4. Connect to Phone: With the OTG adapter, it can be directly connected to system for Android mobile phones to get rid of the limitation of computer and organise important files directly on your phone. Fully charged, it can achieve longer term recording. 5. Lasting Battery: The voice activated recorder has a built in 3000mAh high power lithium battery and an intelligent energy saving system, which can be used for up to 1 year on a full charge and is suitable for prolonged recording. Specification: Item Type: Digital Voice Recorder Material: ABS Recording Format: WAV Playback Format: MP3/WMA/WAV Built in Lithium Battery: 3000mAh. Package List: 1 x Recorder 1 x Earphones 1 x Charging Cable 1 x User Manual