Specification: &nbsp;1. Video resolution :1080FHD; 1080P; 720P2. Play Software : QQPlayer/PotPlayer/VLCPlayer/SMPlayer.3. Battery Recording Time: About 50 hours4. Battery Playing Time: About 35 hours5. Battery: 300mAh lithium battery Battery charging time: About 3 hours6. Noise-signal ratio: 80db7. USB Interface: USB 2.0 High Speed8.Battery: 3.8V/7531709. Working Temperature: -5 to 40 degrees10. Video Format: Mov11. Headphone Jack: USB jack12. Compatible System: Windows/Mac OSX13. Size:90*39*16mm14. Net Weight: About 77g&nbsp;<img data-srcid="-" src="https://image.doba.com/dgd1-lavHhJnpkoVw/a30-voice-activated-digital-voice-audio-recorder-80-hours-dictaphone-digital-audio-voice-recorder-with-mp3-player-built-in-32gb.jpg" alt="dropship A30 Voice Activated Digital Voice Audio Recorder 80 Hours Dictaphone Digital Audio Voice Recorder With MP3 Player built in 32GB" /><img data-srcid="-" src="https://image.doba.com/dgd1-NjvRyYGAucVU/a30-voice-activated-digital-voice-audio-recorder-80-hours-dictaphone-digital-audio-voice-recorder-with-mp3-player-built-in-32gb.jpg" alt="dropship A30 Voice Activated Digital Voice Audio Recorder 80 Hours Dictaphone Digital Audio Voice Recorder With MP3 Player built in 32GB" /><img data-srcid="-" src="https://image.doba.com/dgd1-IhbvzPGGuYVU/a30-voice-activated-digital-voice-audio-recorder-80-hours-dictaphone-digital-audio-voice-recorder-with-mp3-player-built-in-32gb.jpg" alt="dropship A30 Voice Activated Digital Voice Audio Recorder 80 Hours Dictaphone Digital Audio Voice Recorder With MP3 Player built in 32GB" /><img data-srcid="-" src="https://image.doba.com/dgd1-SlqDhcEpuYVU/a30-voice-activated-digital-voice-audio-recorder-80-hours-dictaphone-digital-audio-voice-recorder-with-mp3-player-built-in-32gb.jpg" alt="dropship A30 Voice Activated Digital Voice Audio Recorder 80 Hours Dictaphone Digital Audio Voice Recorder With MP3 Player built in 32GB" /><img data-srcid="-" src="https://image.doba.com/dgd1-IPqdioGLuJvh/a30-voice-activated-digital-voice-audio-recorder-80-hours-dictaphone-digital-audio-voice-recorder-with-mp3-player-built-in-32gb.jpg" alt="dropship A30 Voice Activated Digital Voice Audio Recorder 80 Hours Dictaphone Digital Audio Voice Recorder With MP3 Player built in 32GB" />