When traveling or gathering, people are used to taking pictures, especially when the pixels of smartphones are so high, and the pictures taken are very beautiful. But if you want all the people to take pictures or take pictures of yourself, you usually need someone to take pictures for yourself, which is more troublesome. So in recent years, self-timer poles have appeared in the market, and mobile phones can take pictures of themselves by pressing on them. There are many brands of self-timer pole in the market, so which brand is the best one for mobile phone self-timer pole?