## **Many of us often consider the camera, screen, processor and memory while buying a new smartphone but often overlook an important feature that is vibration.** A good vibration system is not just feel the notification when the user receives an incoming call or message (smartphone)(https://www.24h.com.vn/smartphone-c407e4053.html) but it also responds when the user presses a button , haptic feedback makes interacting with the phone more pleasant, without having to look at the phone. In addition, when entering a PIN or password, a vibration feedback will appear and at that time the user will pay attention to protect this security information from the sight of bad guys around. However, not every vibration system is perfect as it requires good hardware as well as good software to know how to use it to its full potential. That’s why it’s not surprising that the best vibration systems are found on high-end phones, which have the resources to invest in hardware and software. The question is how to find a smartphone with a good vibration system? Basically, there are three factors that people need to pay attention to if they are really interested in this feature. First, look for a phone with a high-quality haptic engine. A haptic motor is a device that generates vibrations, and a high-quality haptic motor will produce stronger and more precise vibrations. Second, look for a phone with software that supports haptic feedback – software that controls vibration. A good haptic feedback system will use the haptic engine to create the most appropriate vibration for each action. And finally, look for a phone with good vibration quality. If possible, read reviews of different phones to see what reviewers have to say about their vibration system. Overall, vibration is a small detail, but it can make a big difference in the overall smartphone user experience. So, if you’re looking for a phone with a good feel, don’t forget to consider the vibration system.