Local playback recording: Not only voicer recorder and keychains. you can relax by listening to music in your spare time, and accompa you on business trips. One-key recording/saving: More convenient operation, easy to push and record then push to save, save before power-off, recording is safer. 25 hours of uninterrupted recording: Built-in high-energy polymer lithium battery and a generation of power intelligent energy-saving system, it has a small size and realizes the function of long-term recording. Save automaticallywhen power off: When the system detects low battery, it will save the file automaticallyand then shut down to ensure that the recording data is not lost. Smart time stamp: Built-in time chip, the recording time of recording files is synchronized with Beijing time, which is convenient for organizing files and improving work efficiency. Double-layer sound source noise reduction processing: Multi-level sound source noise reduction technology processing improving the sound source noise processing programeffectively, and truly achieving zero noise. Name: Keychain Recorder Model: S20 Recording method: Record when powered on, save when powered off Battery: Environmentally friendly polymer lithium battery Charging time: about 1 hour Recording time: about 25 hours Recording format: WAV Playback format: MP3/WMA/WAV Sampling rate: 48KHZ Recording bit rate: 192KBPS Size: 8.3x2.5x1.1cm Specifications:32GB: can save 384 hours Colour:Black Material:ABS Package Contents: 1 * Keychain voice-controlled recorder