It is an 80-centimeter-long mini USB shield cable and a 6-meter-long connection cable come with the camera.
You could also choose and buy other lengths from accessories.
We also provide
55-centimeter-long interior camera connection cable
https://www.viofo.com/en/accessories/93-699-viofo-a129-series-rear-cable-for-dual-channel-models.html#/39-cable_length-55cm/63-used_for-a129_duo_a129_duo_ir_a129_pro_duo
8-meter-long connection cable
https://www.viofo.com/en/accessories/93-692-viofo-a129-series-rear-cable-for-dual-channel-models.html#/33-cable_length-8m/63-used_for-a129_duo_a129_duo_ir_a129_pro_duo