1、Auto Save: When the system detects low battery power, mini digital voice recorder will automatically save the file and then turn off the power. 2、Clear Sound: Voice recorder can still adapt to and deal with environmental noise in a noisy environment, while improving the sound part of the conversation to make the recording clearer. 3、High Security: Mini digital voice recorder When the camera records, there is no light or sound, and the camera and recording are not visible. 4、Easy Charging: Voice recorder supports connection to charging treasure, computer charger, car USB port, recording during charging, recording is not limited by battery. 5、Premium Material: Mini digital voice recorder is made of premium ABS material, wear resistant and durable, light and skin friendly, bringing a more comfortable experience. Item Type: Voice Recorder Material: ABS Charging Time: About 1H Picture Format: JPG Resolution: 1920x1080 Lens Accuracy: F/NUMBER 2.25 Video Format: AVI Built in Polymer Lithium Battery: 140mAh 1 x Voice Recorder 1 x Instruction Manual