1、Built in lithium battery, intelligent power supply and energy saving management system, reduce the power consumption of recording, and easily meet the needs. 2、Switch between voice control and normal mode, turn on voice control, record when there is sound, and pause without sound, which effectively saves storage space and improves work efficiency. 3、The 5th generation professional audio master chip, with powerful voice defying computing capability, eliminating noise, and restoring the scene deeply. 4、When the system detects low battery, it will automatically save the file for early and then automatically shut down to ensure that the recording data is not lost. 5、Exquisite and compact, easy to carry, lanyard hole design can be hung on the neck and backpack or others, allowing you to record anytime, anywhere. 1 x Voice Recorder1 x Earphone1 x Converter1 x Data Line1 x Manual  Item Type: Voice RecorderMaterial: ABSModel: Q58Recording Format: WAVPlay Format: MP3 WMA WAVInterface: Type CSampling Rate: 48KHzRecording Bit Rate: 192kbpsBattery Type: Lithium BatteryBattery Capacity: 500mAh (Built In)