Noise Reduction: The voice-activated recorder watch uses DSP digital noise reduction technology to filter out noise, and can be connected to mobile phones, computers, and other charging devices such as mobile power while charging and recording. Detachable Design: The watch face with voice control recorder can be detached separately. If there is sound, record, if there is no sound, pause, thus avoiding wasted storage space. HiFi: The voice recorder watch is a hifi player, a recorder that can be used as a watch, allowing recording at a distance of 60 meters, exceeding the distance limit, hassle-free recording. Auto Backup: The voice recorder watch automatically saves the recording file without power to avoid data loss, you can listen during recording and fast forward and rewind playback function. HD: The display of the watch screen of the digital sound recorder is clear, the time display and Beijing time synchronization are both a recorder and a watch, you can record while listening to the content with headphones. Specifications:Item Type: Watch Voice Recorder Material: ABS Resolution: 80x160 Screen Recording Format: WAV Playback Format: MP3/WMA/WAV Built-in Lithium Polymer Battery: 130mAh How to Use:Turn On & Use Package List: 1 x Watch Recorder 1 x Instruction Manual1 x Charging Cable 1 x Earphone