The VR-Z4 is an all in one VR game and movie VR 3D device. Again, works without a smart phone. 
CPU: Rockchip RK3188 Cortex-A9,Screen: 5.5inch HD 1920x1080p 
GPU:ARM Mali-400 533MHz, OpenpenGL ES 1.1 GPU: 200W pixels Ram:2G DDR3 Flash: 8G EMMC Nand Flash, Battery: 2800MAH, support this unit for 4 hours operation time.
Gyrometer: 9 Axis. Network processing: Wifi+bt4.0 Operating system:Android 4.4 and higher,
USB: Standard 3.5mm port, TF: Card*1, Menu: Power on,off / 2D-3D transformation/Camera switch, Back button.
Optical effect: The myopia of less than 700 degrees means one can use it directly without wearing myopia glasses.