Item Type: Mini Digital Voice RecorderMaterial: ABSCharging Time: About 1hImage Format: JPGResolution: 1920x1080Lens Accuracy: F NUMBER 2.25Video Format: AVIBuilt In Polymer Lithium Battery: 140mAhPackage List1 x Mini Digital Voice Recorder1AUTOMATIC 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. 2HD 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. 3EASY CHARGING: Mini digital voice recorder supports connecting to rechargeable battery, computer charger, car USB port, recording while charging, and recording without battery limitation. 4HIGH 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. 5SMALL 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.