60HZ The projector, may God protect it, its specifications are clear on the box. I only used it twice, and at most the duration did not exceed three to five hours. JBL speakers with Dolby technology. The projector is smart, it has Netflix, YouTube, Amazon Prime, and others. 1080FHD 700ansi It has an HDMI port, USB, and others. The projector connects to the phone via Bluetooth, you can display your phone screen on it, and it comes with a remote. It also has auto focus + auto keystone. This means you don't need to adjust the focus yourself or the screen's position, it adjusts it automatically. Refresh Rate: 60Hz Type: Projector Resolution: Full HD