The S1 is a HD smart projector with excellent projection effects. Utilizing DLP optical technology and a professional video decoding chip, it supports 1080p HD video. It has a built-in, auto-focus camera and with 45 degree trapezoidal correction, the 100 inch screen can be automatically regulated from any positions and projected within 1.8m. Added to this, it has abundant online HD film and television resources and users can find their favorites quickly via a voice search function. S1 is also a high quality stereo Bluetooth speaker with JBL certificates that has two 8W horn units and 2 LF units.