Item Type: Voice Recording Watch Material: ABS Resolution: Screen 80x160 Recording Format: WAV Playback Format: MP3/WMA/WAV Built-in polymer lithium battery: 130mAh Automatic Save: The voice recording watch automatically saves the recording file without power to prevent data loss. You can listen while recording, and fast forward and rewind. Noise Reduction: The voice-activated recording watch uses DSP digital noise reduction technology to filter out noise. It can be connected to mobile phones, computers, and other charging devices such as mobile power while charging and recording. HiFi: The voice recording watch is a HiFi player, a recorder that can be used as a watch, allowing recording from a distance of 60 meters, breaking distance limitations for hassle-free recording. HD: The digital audio recording watch screen display is clear, with time display and Beijing time synchronization. It's both a recorder and a watch, and you can record while listening to the content with headphones. Detachable Design: The voice-activated recording watch dial can be removed separately. If there is sound, it records; if there is no sound, it pauses, effectively avoiding wasted storage space. Includes: 1 x Recording Watch 1 x User Manual 1 x Charging Cable 1 x Headphones