Feature 1Noise Reduction: Voice recorder watch has a built in professional noise reduction chip to truly restore live sound. Easy to operate, fashionable and convenient. 2Voice Activated: This recorder supports voice activated, automatically record with sound, automatically pause without sound, save power and memory. 3With Timestamp: The recorder watch can accurately record the generation time and end time of each recording, which is perfect for electronic commerce and legal forensics. 4Rechargeable: 110mAh battery built into voice recorder bracelet, connectable to rechargeable devices, computers, etc, supports recording while charging. 5Long Battery Life: Rechargeable sound recorder watch supports 20 hours of continuous recording and up to 30 days of standby time.Item Type: Voice Recorder WatchMaterial: ABSRecording Format: WAVPlayback Format: MP3, WMA, WAVBuilt in Polymer Lithium Battery: 110mAh .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x VoiceRecorderWatch1 x Charging Cable1 x Earphone1 x Instruction Manual