1Built in lithium battery, intelligent power supply and energy saving management system, reduce the power consumption of recording, and easily meet the needs. 2Switch 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. 3The 5th generation professional audio master chip, with powerful voice defying computing capability, eliminating noise, and restoring the scene deeply. 4When 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. 5Exquisite and compact, easy to carry, lanyard hole design can be hung on the neck and backpack or others, allowing you to record anytime, anywhere. Item Type: Voice Recorder Material: ABS Model: Q58 Recording Format: WAV Play Format: MP3 WMA WAV Interface: Type C Sampling Rate: 48KHz Recording Bit Rate: 192kbps Battery Type: Lithium Battery Battery Capacity: 500mAh (Built In) 1 x Voice Recorder1 x Earphone1 x Data Line1 x ManualPlease note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.