Features: Made of aluminum alloy, with magnetic, can be absorbed on the mental One-key operation(ordinary recording/voice-activated recording/auto save when power off), with delete function, LED indicator while playing ADPCM recording 192Kbit, optional voice control recording 50DB, automatic split recording, loop overwrite recording About 550 hours of continuous recording, 365 days of standby Support MP3, WMA, WAV playback, support fast forward and rewind playback, with time stamp, the recording file name is named after the time Specifications: Model: Q73 Recording format: WAV Play format: MP3/WMA/WAV Recording method: one-key recording Battery: Environmentally friendly polymer lithium battery Bit rate: 192KBPS Recording time: about 1000 hours Playing time: about 280 hours Charging time: 15 hours Built-in memory: 4G/8G/16G/32G/64G Product specifications: 20.5x26x71mm Product weight: about 67.3g Package included: 1 x Voice Recorder 1 x Charging Cable 1 x Earphone 1 x English and Chinese User Manual 1 x Warranty Card