Since I now also shoot my vlogs with my smartphone and have always had a lot of fiddling with the camera settings on my previous tracker, I was looking for a face tracker that would give me more freedom of movement. I came across the model from K&F Concept. The tracker arrived well packaged, together with a charging cable and a manual. After unpacking, I charged the device first. That took just over an hour. What I already knew from other models is the built-in or programmed gesture control. In other words, to activate face tracking, you only have to roughly align the device and make an OK sign with your fingers next to your face. (Form an "O" with your index finger and thumb and stretch out your middle, ring and little finger.) From this moment on (if the device was previously switched on), the blue front LED changes to green and the tracker follows the body or body .the face. What irritates me a bit about the tracker is the lens position. When I activate the device, I always have the feeling that the lens is aimed at my chest. Although the tracker does what it is supposed to do, it irritates me a bit. What I really like is the speed with which the tracker aligns itself. In addition, the motor is quite quiet and - if you don't work with external audio recorders - you hardly need to pay attention to the noises here. What I also like is the 1/4" thread on the underside. The tracker fits on any standard tripod and I can also position the part in an elevated position. My IPhone 13 Pro in a case also fits into the clamp. Although that's the highest of feelings, it doesn't squeeze and the smartphone sits securely here. Actioncam adapters for gimbals also fit in here perfectly. All in all, I can absolutely recommend the tracker. Once you've internalized the gesture functions , the device does practically everything by itself. Great. That's why I'm sticking with 5 stars and hope that I can help with my review.