1、AUTOMATIC FILE SAVING: Mini video voice recorder is easy to use. When the system detects that the battery is low, it will automatically save the file and then turn off the power. 2、HD NOISE REDUCTION: Voice activated recorder can still adapt in noisy environments, handling ambient noise while improving the sound part of the conversation for clearer recordings. 3、EASY CHARGING: Mini digital voice recorder supports connecting to rechargeable battery, computer charger, car USB port, recording while charging, and recording without battery limitation. 4、HIGH SECURITY: Mini voice activated recorder has high security, when the camera recorder no sound, no lights or sounds, and the camera and recorder are not visible. 5、SMALL AND COMPACT: USB digital sound recorder is made of lightweight and skin friendly ABS material for a more comfortable experience. Super small size, can be placed in your purse, pocket. Item Type: Mini Digital Voice Recorder Material: ABS Charging Time: About 1h Image Format: JPG Resolution: 1920x1080 Lens Accuracy: F NUMBER 2.25 Video Format: AVI Built In Polymer Lithium Battery: 140mAh 1 x Mini Digital Voice Recorder