Looks and works just like the regular Power Bank 
 
USB Output 5V 1A 8GB internal memory build-in, bigger memory as option  
Auto voice activate function support starting recording when in-car conversation starts and stops when the conversation ends.  
Two version option 3000mAh Li-Polymer battery,
Size:111*62*21mm 
 with 5000mAh Li-Polymer battery, Size
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111*62*18mm